TWI641199B - Rechargeable battery and battery control circuit thereof, power delivery unit and external load unit - Google Patents
Rechargeable battery and battery control circuit thereof, power delivery unit and external load unit Download PDFInfo
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- TWI641199B TWI641199B TW106126898A TW106126898A TWI641199B TW I641199 B TWI641199 B TW I641199B TW 106126898 A TW106126898 A TW 106126898A TW 106126898 A TW106126898 A TW 106126898A TW I641199 B TWI641199 B TW I641199B
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- battery
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 272
- 230000005540 biological transmission Effects 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- BPKGOZPBGXJDEP-UHFFFAOYSA-N [C].[Zn] Chemical compound [C].[Zn] BPKGOZPBGXJDEP-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
Classifications
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- H02J7/0077—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
一種可充電電池，經由轉換節點耦接於電源發送單元或負載外接單元，於充電模式中，電源發送單元轉換輸入電源而於轉換節點上產生轉換電壓及/或轉換電流，充電電路轉換轉換電壓及/或轉換電流而產生充電電壓及/或充電電流以對可充電電池充電，且以下列之至少之一進行電源資料之傳輸：(1)該發送控制電路調整該轉換電壓而於該轉換節點上以複數電壓位準傳送該電源資料；(2)該電池控制電路調整該電池輸入電流而於該轉換節點上以複數電流位準傳送該電源資料；其中該轉換電壓，該轉換電流，該充電電壓，或該充電電流中之至少之一根據該電源資料而調整。 A rechargeable battery is coupled to a power transmission unit or a load external unit via a conversion node. In a charging mode, the power transmission unit converts input power to generate a conversion voltage and / or a conversion current on the conversion node. The charging circuit converts the conversion voltage and And / or convert the current to generate a charging voltage and / or a charging current to charge the rechargeable battery, and transmit power data in at least one of the following: (1) the sending control circuit adjusts the converted voltage to the conversion node Transmitting the power source data at a plurality of voltage levels; (2) the battery control circuit adjusting the battery input current and transmitting the power source data at a plurality of current levels at the conversion node; wherein the conversion voltage, the conversion current, and the charging voltage Or at least one of the charging currents is adjusted according to the power source data.
Description
本發明係有關一種可充電電池，特別是指一種具有通訊功能之可充電電池。本發明也有關於用於可充電電池中之電池控制電路。 The invention relates to a rechargeable battery, in particular to a rechargeable battery with a communication function. The invention also relates to a battery control circuit for use in a rechargeable battery.
第1圖顯示一種先前技術之通用型鋰離子充電電池1，通用型鋰離子充電電池1包括電池控制電路11，以及鋰電池單元(Li-ion battery cell)12，其中電池控制電路11包括充電電路111以及供電電源轉換電路112，充電電路111用以於充電模式中(例如但不限於偵測轉換節點NX偵測到一高於4.5V之電壓)，將電源發送單元20所提供之轉換電壓VX轉換為充電電壓VCHG或充電電流ICHG，以對鋰電池單元12充電，另一方面，在供電模式中，供電電源轉換電路112則將電池單元12之電壓(例如但不限於3.7V)轉換為通用型乾電池(例如但不限於AA或AAA等)之標準電壓(例如但不限於1.5V)，如此可替代傳統之一次性通用型碳鋅電池，或可充電之通用型鎳氫電池等。 FIG. 1 shows a general-purpose lithium-ion rechargeable battery 1 of the prior art. The general-purpose lithium-ion rechargeable battery 1 includes a battery control circuit 11 and a lithium-ion battery cell 12. The battery control circuit 11 includes a charging circuit. 111 and a power supply conversion circuit 112. The charging circuit 111 is used in a charging mode (for example, but not limited to, detecting a voltage higher than 4.5V detected by the conversion node NX) to convert the conversion voltage VX provided by the power transmitting unit 20 It is converted into a charging voltage VCHG or a charging current ICHG to charge the lithium battery unit 12. On the other hand, in the power supply mode, the power supply conversion circuit 112 converts the voltage of the battery unit 12 (such as, but not limited to, 3.7V) into a universal The standard voltage (such as, but not limited to, 1.5V) of a dry battery (such as, but not limited to, AA, AAA, etc.) can replace the traditional disposable general-purpose carbon-zinc battery or a rechargeable general-purpose nickel-metal hydride battery.
第1圖中所示之先前技術，其缺點在於充電時，外接提供於轉換節點NX之電壓或電流無法根據電池的需求或充電階段而調整，因此充電電流通常較低而充電時間較長，致使使用者使用經驗不佳。此外，於可充電電池供電 於負載時，負載無法得知鋰電池之狀態，因而無法適應性調整負載之電流，可能造成電池單元12過度放電而減損其壽命。 The disadvantage of the prior art shown in Figure 1 is that during charging, the voltage or current externally provided to the conversion node NX cannot be adjusted according to the battery demand or charging stage. Therefore, the charging current is usually low and the charging time is long. Poor user experience. In addition, it is powered by a rechargeable battery At the time of the load, the load cannot know the state of the lithium battery, and therefore cannot adjust the current of the load adaptively, which may cause the battery unit 12 to over-discharge and reduce its life.
本發明相較於第1圖之先前技術，可與外接供電電路進行通訊，因此可以較佳之充電電源對電池單元充電，而有效縮短充電時間，此外，亦可與負載進行通訊，因此可延長電池之使用壽命。 Compared with the prior art of FIG. 1, the present invention can communicate with an external power supply circuit, so the battery unit can be charged with a better charging power source, which effectively shortens the charging time. In addition, it can also communicate with the load, so the battery can be extended Its useful life.
就其中一個觀點言，本發明提供了一種可充電電池，經由一轉換節點耦接於一電源發送單元或一負載外接單元，其中該電源發送單元包括一發送電源轉換電路以及一發送控制電路；該可充電電池包括：一電池控制電路，包括一充電電路；一供電電源轉換電路；以及一電池控制單元；以及一電池單元；其中於一充電模式中，該電源發送單元用以轉換一輸入電源而於該轉換節點上產生一轉換電源，其中該轉換電源包括一轉換電壓以及一轉換電流，且該充電電路轉換該轉換電源而產生一充電電源以對該電池單元充電，其中該充電電源包括一充電電壓以及一充電電流，且於該充電模式中，以下列方式之至少之一，於該電源發送單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該發送控制電路控制該發送電源轉換電路，而調整該轉換電壓，於該轉換節點上以複數電壓位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該轉換電壓以接收該電源資料；及/或(2)該電池控制單元控制一電池輸入電流，而調整該電池輸入電流，於該轉換節點上以複數電流位準傳送該電源資料；且該發送控制電路經由該轉換節點而感測該電池輸入電流以接收該電源資料；其中該轉換電壓，該轉換電流，該充電電壓，或該充電電流中之至少之一根據該電源資料而調整；其中於一供電模式中，該供電電源轉換電路轉換該電池單 元之一電池電壓而於該轉換節點上產生一輸出電源，以供電於該負載外接單元，其中該輸出電源符合一通用電池規範。 In one aspect, the present invention provides a rechargeable battery coupled to a power transmission unit or a load external unit via a conversion node, wherein the power transmission unit includes a transmission power conversion circuit and a transmission control circuit; The rechargeable battery includes: a battery control circuit including a charging circuit; a power supply conversion circuit; and a battery control unit; and a battery unit; wherein in a charging mode, the power transmitting unit is used to convert an input power source and A conversion power source is generated on the conversion node, wherein the conversion power source includes a conversion voltage and a conversion current, and the charging circuit converts the conversion power source to generate a charging power source to charge the battery unit, wherein the charging power source includes a charging Voltage and a charging current, and in the charging mode, a power source data transmission is performed between the power transmitting unit and the rechargeable battery through the conversion node: (1) the transmission The control circuit controls the transmission power conversion circuit and adjusts the conversion voltage. The conversion node transmits the power source data at a plurality of voltage levels, and the battery control unit senses the conversion voltage to receive the power source data through the conversion node; and / or (2) the battery control unit controls a battery input current While adjusting the battery input current, transmitting the power source data at a plurality of current levels on the conversion node; and the sending control circuit senses the battery input current to receive the power source data through the conversion node; wherein the conversion voltage, At least one of the conversion current, the charging voltage, or the charging current is adjusted according to the power source data; wherein in a power supply mode, the power supply power conversion circuit converts the battery cell An output power source is generated on the conversion node to supply power to the load external unit, and the output power source conforms to a universal battery specification.
在一較佳實施例中，該可充電電池更藉由調整該複數電壓位準之間及/或該複數電流位準之間之一時間間隔而表示該電源資料。 In a preferred embodiment, the rechargeable battery further expresses the power source data by adjusting a time interval between the plurality of voltage levels and / or the plurality of current levels.
在一較佳實施例中，該負載外接單元包括一負載控制電路以及一可調整負載，其中該可調整負載具有一負載電流；其中該輸出電源具有一輸出電壓，其中於該供電模式中，以下列方式之至少之一，於該負載外接單元與該可充電電池之間藉由該轉換節點進行該電源資料之傳輸：(1)該負載控制電路調整該負載電流，於該轉換節點上以複數電流位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該負載電流以接收該電源資料；及/或(2)該電池控制單元控制該供電電源轉換電路，而調整該輸出電壓，於該轉換節點上以複數電壓位準傳送該電源資料；且該負載控制電路經由該轉換節點而感測該輸出電壓以接收該電源資料；其中該輸出電壓，或該負載電流中之至少之一根據該電源資料而調整。 In a preferred embodiment, the load external unit includes a load control circuit and an adjustable load, wherein the adjustable load has a load current; wherein the output power source has an output voltage, and in the power supply mode, the following At least one of the following methods, the power source data transmission is performed between the load external unit and the rechargeable battery through the conversion node: (1) the load control circuit adjusts the load current, and a plurality of The current level transmits the power source data, and the battery control unit senses the load current through the conversion node to receive the power source data; and / or (2) the battery control unit controls the power supply conversion circuit to adjust the output Voltage, transmitting the power source data at a plurality of voltage levels on the conversion node; and the load control circuit senses the output voltage to receive the power source data through the conversion node; wherein the output voltage, or at least one of the load current One is adjusted based on the power profile.
在一較佳實施例中，該電池控制電路以及該電池單元封入一電池外殼，其中該電池外殼符合該通用電池規範。 In a preferred embodiment, the battery control circuit and the battery unit are enclosed in a battery case, wherein the battery case complies with the universal battery specification.
在一較佳實施例中，該輸出電源包括一輸出電壓，該輸出電壓大致上為1.5V。 In a preferred embodiment, the output power includes an output voltage, and the output voltage is approximately 1.5V.
在一較佳實施例中，該電池控制單元包括一開關與一電流源，耦接於該轉換節點，其中該電池控制單元操作該開關與該電流源以調整該電池輸入電流，藉此於該轉換節點上以複數電流位準傳送該電源資料。 In a preferred embodiment, the battery control unit includes a switch and a current source coupled to the conversion node, wherein the battery control unit operates the switch and the current source to adjust the battery input current, thereby controlling the battery input current. The switching node transmits the power data at a plurality of current levels.
就另一個觀點言，本發明也提供了一種電池控制電路，用以控制一可充電電池，其中該可充電電池經由一轉換節點耦接於一電源發送單元或一 負載外接單元，其中該電源發送單元包括一發送電源轉換電路以及一發送控制電路；該可充電電池包括：該電池控制電路，以及一電池單元；該電池控制電路包括一充電電路；一供電電源轉換電路；以及一電池控制單元；其中於一充電模式中，該電源發送單元用以轉換一輸入電源而於該轉換節點上產生一轉換電源，其中該轉換電源包括一轉換電壓以及一轉換電流，且該充電電路轉換該轉換電源而產生一充電電源以對該電池單元充電，其中該充電電源包括一充電電壓以及一充電電流，且於該充電模式中，以下列方式之至少之一，於該電源發送單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該發送控制電路控制該發送電源轉換電路，而調整該轉換電壓，於該轉換節點上以複數電壓位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該轉換電壓以接收該電源資料；及/或(2)該電池控制單元控制一電池輸入電流，而調整該電池輸入電流，於該轉換節點上以複數電流位準傳送該電源資料；且該發送控制電路經由該轉換節點而感測該電池輸入電流以接收該電源資料；其中該轉換電壓，該轉換電流，該充電電壓，或該充電電流中之至少之一根據該電源資料而調整；其中於一供電模式中，該供電電源轉換電路轉換該電池單元之一電池電壓而於該轉換節點上產生一輸出電源，以供電於該負載外接單元，其中該輸出電源符合一通用電池規範。 In another aspect, the present invention also provides a battery control circuit for controlling a rechargeable battery, wherein the rechargeable battery is coupled to a power transmitting unit or a power transmitting unit via a conversion node. A load external unit, wherein the power transmission unit includes a transmission power conversion circuit and a transmission control circuit; the rechargeable battery includes: the battery control circuit and a battery unit; the battery control circuit includes a charging circuit; a power supply conversion A circuit; and a battery control unit; wherein in a charging mode, the power transmitting unit is used to convert an input power source to generate a conversion power source on the conversion node, wherein the conversion power source includes a conversion voltage and a conversion current, and The charging circuit converts the converted power to generate a charging power to charge the battery unit, wherein the charging power includes a charging voltage and a charging current, and in the charging mode, at least one of the following methods is applied to the power A transmission node transmits power data through the conversion node between the transmitting unit and the rechargeable battery: (1) the transmission control circuit controls the transmission power conversion circuit, and adjusts the conversion voltage, and uses a plurality of voltage bits on the conversion node The power data is transmitted, and the battery control unit passes the conversion To sense the converted voltage to receive the power source data; and / or (2) the battery control unit controls a battery input current, adjusts the battery input current, and transmits the power source data at a plurality of current levels on the conversion node And the sending control circuit senses the battery input current through the conversion node to receive the power source data; wherein at least one of the conversion voltage, the conversion current, the charging voltage, or the charging current is based on the power source data Adjustment; in a power supply mode, the power supply conversion circuit converts a battery voltage of the battery unit and generates an output power on the conversion node to supply power to the load external unit, wherein the output power meets a universal battery specification .
就另一個觀點言，本發明也提供了一種可充電電池，經由一轉換節點耦接於一電源發送單元或一負載外接單元，其中該電源發送單元包括一發送電源轉換電路，其中該負載外接單元包括一負載控制電路以及一可調整負載，其中該可調整負載具有一負載電流；該可充電電池包括：一電池控制電路，包括一充電電路；一供電電源轉換電路；以及一電池控制單元；以及一電池單元；其中於一供電模式中，該供電電源轉換電路轉換該電池單元之一電池電壓 而於該轉換節點上產生一輸出電源，其具有一輸出電壓，以供電於該負載外接單元，其中該輸出電源符合一通用電池規範，且於該供電模式中，以下列方式之至少之一，於該負載外接單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該負載控制電路調整該負載電流，於該轉換節點上以複數電流位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該負載電流以接收該電源資料；及/或(2)該電池控制單元控制該供電電源轉換電路，而調整該輸出電壓，於該轉換節點上以複數電壓位準傳送該電源資料；且該負載控制電路經由該轉換節點而感測該輸出電壓以接收該電源資料；其中該輸出電壓，或該負載電流中之至少之一根據該電源資料而調整；其中於一充電模式中，該電源發送單元用以轉換一輸入電源而於該轉換節點上產生一轉換電源，且該充電電路轉換該轉換電源而產生一充電電源以對該電池單元充電。 In another aspect, the present invention also provides a rechargeable battery coupled to a power transmission unit or a load external unit via a conversion node, wherein the power transmission unit includes a transmission power conversion circuit, wherein the load external unit Including a load control circuit and an adjustable load, wherein the adjustable load has a load current; the rechargeable battery includes: a battery control circuit including a charging circuit; a power supply conversion circuit; and a battery control unit; and A battery unit; wherein in a power supply mode, the power supply conversion circuit converts a battery voltage of the battery unit An output power is generated on the conversion node, which has an output voltage to supply power to the load external unit, wherein the output power complies with a universal battery specification, and in the power supply mode, at least one of the following methods, A power source data transmission is performed between the load external unit and the rechargeable battery through the conversion node: (1) the load control circuit adjusts the load current and transmits the power source data at a plurality of current levels on the conversion node And the battery control unit senses the load current via the conversion node to receive the power source data; and / or (2) the battery control unit controls the power supply conversion circuit and adjusts the output voltage on the conversion node Transmitting the power source data at a plurality of voltage levels; and the load control circuit senses the output voltage via the conversion node to receive the power source data; wherein at least one of the output voltage or the load current is based on the power source data Adjustment; in a charging mode, the power transmitting unit is used to convert an input power source to generate a revolution on the conversion node Change the power source, and the charging circuit converts the converted power source to generate a charging power source to charge the battery unit.
就另一個觀點言，本發明也提供了一種電池控制電路，用以控制一可充電電池，其中該可充電電池經由一轉換節點耦接於一電源發送單元或一負載外接單元，其中該電源發送單元包括一發送電源轉換電路，其中該負載外接單元包括一負載控制電路以及一可調整負載，其中該可調整負載具有一負載電流；該可充電電池包括：該電池控制電路，以及一電池單元；該電池控制電路包括一充電電路；一供電電源轉換電路；以及一電池控制單元；其中於一供電模式中，該供電電源轉換電路轉換該電池單元之一電池電壓而於該轉換節點上產生一輸出電源，其具有一輸出電壓，以供電於該負載外接單元，其中該輸出電源符合一通用電池規範，且於該供電模式中，以下列方式之至少之一，於該負載外接單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該負載控制電路調整該負載電流，於該轉換節點上以複數電流位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該負載電流以接收該電源資 料；及/或(2)該電池控制單元控制該供電電源轉換電路，而調整該輸出電壓，於該轉換節點上以複數電壓位準傳送該電源資料；且該負載控制電路經由該轉換節點而感測該輸出電壓以接收該電源資料；其中該輸出電壓，或該負載電流中之至少之一根據該電源資料而調整；其中於一充電模式中，該電源發送單元用以轉換一輸入電源而於該轉換節點上產生一轉換電源，且該充電電路轉換該轉換電源而產生一充電電源以對該電池單元充電。 In another aspect, the present invention also provides a battery control circuit for controlling a rechargeable battery, wherein the rechargeable battery is coupled to a power transmitting unit or a load external unit via a conversion node, wherein the power transmitting The unit includes a transmission power conversion circuit, wherein the load external unit includes a load control circuit and an adjustable load, wherein the adjustable load has a load current; the rechargeable battery includes: the battery control circuit, and a battery unit; The battery control circuit includes a charging circuit, a power supply conversion circuit, and a battery control unit. In a power supply mode, the power supply conversion circuit converts a battery voltage of the battery unit to generate an output on the conversion node. The power supply has an output voltage for supplying power to the load external unit, wherein the output power complies with a universal battery specification, and in the power supply mode, at least one of the following methods is applied to the load external unit and the rechargeable Transmission of power data between batteries via the conversion node (1) The load control circuit adjusts the load current, switching nodes on the current level to a plurality of power transmitting the data, and the battery control unit through the switching nodes and to sense the load current of the power receiving funding And / or (2) the battery control unit controls the power supply conversion circuit, adjusts the output voltage, and transmits the power source data at a plurality of voltage levels on the conversion node; and the load control circuit passes the conversion node to Sensing the output voltage to receive the power source information; wherein at least one of the output voltage or the load current is adjusted according to the power source information; wherein in a charging mode, the power transmitting unit is used to convert an input power source; A conversion power source is generated on the conversion node, and the charging circuit converts the conversion power source to generate a charging power source to charge the battery unit.
就另一個觀點言，本發明也提供了一種電源發送單元，經由一轉換節點耦接於一可充電電池，該可充電電池包括：一電池控制電路，包括一充電電路；一供電電源轉換電路；以及一電池控制單元；以及一電池單元；該電源發送單元包括：一發送電源轉換電路；以及一發送控制電路；其中於一充電模式中，該電源發送單元用以轉換一輸入電源而於該轉換節點上產生一轉換電源，其中該轉換電源包括一轉換電壓以及一轉換電流，且該充電電路轉換該轉換電源而產生一充電電源以對該電池單元充電，其中該充電電源包括一充電電壓以及一充電電流，且於該充電模式中，以下列方式之至少之一，於該電源發送單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該發送控制電路控制該發送電源轉換電路，而調整該轉換電壓，於該轉換節點上以複數電壓位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該轉換電壓以接收該電源資料；及/或(2)該電池控制單元控制一電池輸入電流，而調整該電池輸入電流，於該轉換節點上以複數電流位準傳送該電源資料；且該發送控制電路經由該轉換節點而感測該電池輸入電流以接收該電源資料；其中該轉換電壓，該轉換電流，該充電電壓，或該充電電流中之至少之一根據該電源資料而調整。 According to another aspect, the present invention also provides a power transmitting unit coupled to a rechargeable battery via a conversion node. The rechargeable battery includes: a battery control circuit including a charging circuit; and a power supply conversion circuit; And a battery control unit; and a battery unit; the power transmission unit includes: a transmission power conversion circuit; and a transmission control circuit; wherein in a charging mode, the power transmission unit is used to convert an input power source to the conversion unit; A switching power source is generated on the node, wherein the switching power source includes a switching voltage and a switching current, and the charging circuit converts the switching power source to generate a charging power source to charge the battery unit, wherein the charging power source includes a charging voltage and a Charging current, and in the charging mode, at least one of the following ways, a power source data transmission is performed between the power transmitting unit and the rechargeable battery through the conversion node: (1) the transmission control circuit controls The transmitting power conversion circuit, and adjusting the conversion voltage, The digital voltage level transmits the power source data, and the battery control unit senses the converted voltage to receive the power source data through the conversion node; and / or (2) the battery control unit controls a battery input current to adjust the battery Input current, transmitting the power source data at a plurality of current levels on the conversion node; and the sending control circuit sensing the battery input current to receive the power source data through the conversion node; wherein the conversion voltage, the conversion current, the At least one of the charging voltage or the charging current is adjusted according to the power source data.
就另一個觀點言，本發明也提供了一種負載外接單元，經由一轉換節點耦接於一可充電電池，該可充電電池包括：一電池控制電路，包括一充電電路；一供電電源轉換電路；以及一電池控制單元；以及一電池單元；該負載外接單元包括：一負載控制電路；以及一可調整負載，具有一負載電流；其中於一供電模式中，該供電電源轉換電路轉換該電池單元之一電池電壓而於該轉換節點上產生一輸出電源，其具有一輸出電壓，以供電於該負載外接單元，其中該輸出電源符合一通用電池規範，且於該供電模式中，以下列方式之至少之一，於該負載外接單元與該可充電電池之間藉由該轉換節點進行一電源資料之傳輸：(1)該負載控制電路調整該負載電流，於該轉換節點上以複數電流位準傳送該電源資料，且該電池控制單元經由該轉換節點而感測該負載電流以接收該電源資料；(2)該電池控制單元控制該供電電源轉換電路，而調整該輸出電壓，於該轉換節點上以複數電壓位準傳送該電源資料；且該負載控制電路經由該轉換節點而感測該輸出電壓以接收該電源資料；其中該輸出電壓，或該負載電流中之至少之一根據該電源資料而調整。 According to another aspect, the present invention also provides a load external unit coupled to a rechargeable battery via a conversion node. The rechargeable battery includes: a battery control circuit including a charging circuit; a power supply conversion circuit; And a battery control unit; and a battery unit; the load external unit includes: a load control circuit; and an adjustable load having a load current; wherein in a power supply mode, the power supply conversion circuit converts the battery unit A battery voltage generates an output power on the conversion node, which has an output voltage to power the load external unit, wherein the output power complies with a universal battery specification, and in the power supply mode, at least the following ways One is to transmit a power source data between the load external unit and the rechargeable battery through the conversion node: (1) The load control circuit adjusts the load current and transmits it at a plurality of current levels on the conversion node The power source information, and the battery control unit senses the load current through the conversion node to connect The power source data; (2) the battery control unit controls the power supply conversion circuit, adjusts the output voltage, and transmits the power source data at a plurality of voltage levels on the conversion node; and the load control circuit senses the power through the conversion node The output voltage is measured to receive the power source data; wherein at least one of the output voltage or the load current is adjusted according to the power source data.
底下藉由具體實施例詳加說明，當更容易瞭解本發明之目的、技術內容、特點及其所達成之功效。 Detailed descriptions will be provided below through specific embodiments to make it easier to understand the purpose, technical content, features and effects of the present invention.
1,10‧‧‧可充電電池 1,10‧‧‧ rechargeable battery
11‧‧‧電池控制電路 11‧‧‧ Battery control circuit
12‧‧‧電池單元 12‧‧‧ battery unit
111‧‧‧充電電路 111‧‧‧Charging circuit
112‧‧‧供電電源轉換電路 112‧‧‧Power supply conversion circuit
113‧‧‧電池控制單元 113‧‧‧Battery Control Unit
1131‧‧‧延遲電路 1131‧‧‧ Delay circuit
20‧‧‧電源發送單元 20‧‧‧ Power Transmission Unit
21‧‧‧發送電源轉換電路 21‧‧‧Transmit power conversion circuit
22‧‧‧發送控制電路 22‧‧‧ send control circuit
30‧‧‧負載外接單元 30‧‧‧Load External Unit
31‧‧‧負載控制電路 31‧‧‧Load control circuit
32‧‧‧可調整負載 32‧‧‧Adjustable load
CP‧‧‧比較電路 CP‧‧‧ comparison circuit
IBX‧‧‧電池輸入電流 IBX‧‧‧ Battery Input Current
ICHG‧‧‧充電電流 ICHG‧‧‧Charging current
ILD‧‧‧負載電流 ILD‧‧‧Load current
IS‧‧‧電流源 IS‧‧‧Current source
IX‧‧‧轉換電流 IX‧‧‧Conversion current
NX‧‧‧轉換接點 NX‧‧‧ Conversion contact
SB‧‧‧開關 SB‧‧‧Switch
VBAT‧‧‧電池電壓 VBAT‧‧‧Battery voltage
VCHG‧‧‧充電電壓 VCHG‧‧‧Charging voltage
VI‧‧‧輸入電源 VI‧‧‧Input Power
VO‧‧‧輸出電壓 VO‧‧‧Output voltage
VOS‧‧‧偏移電壓 VOS‧‧‧ Offset Voltage
VX‧‧‧轉換電壓 VX‧‧‧ Conversion voltage
第1圖顯示一種先前技術之可充電電池之方塊圖。 Figure 1 shows a block diagram of a prior art rechargeable battery.
第2圖顯示本發明之具通訊功能之可充電電池之一實施例方塊圖。 FIG. 2 shows a block diagram of an embodiment of a rechargeable battery with a communication function according to the present invention.
第3A與3B圖顯示對應第2圖實施例之操作波形示意圖。 3A and 3B are schematic diagrams of operation waveforms corresponding to the embodiment in FIG. 2.
第4圖顯示本發明之具通訊功能之可充電電池之一實施例方塊圖。 FIG. 4 shows a block diagram of an embodiment of a rechargeable battery with a communication function according to the present invention.
第5A與5B圖顯示對應第2圖實施例之操作波形示意圖。 5A and 5B are schematic diagrams of operation waveforms corresponding to the embodiment in FIG. 2.
第6圖顯示本發明之具通訊功能之可充電電池中，電池控制單元之一實施例示意圖。 FIG. 6 is a schematic diagram of an embodiment of a battery control unit in a rechargeable battery with a communication function according to the present invention.
第7圖顯示本發明之具通訊功能之可充電電池中，電池控制單元之一實施例示意圖。 FIG. 7 is a schematic diagram of an embodiment of a battery control unit in a rechargeable battery with a communication function according to the present invention.
本發明中的圖式均屬示意，主要意在表示各電路間之耦接關係，以及各訊號波形之間之關係，至於電路、訊號波形與頻率則並未依照比例繪製。 The drawings in the present invention are schematic, and are mainly intended to represent the coupling relationship between various circuits and the relationship between signal waveforms. As for the circuits, signal waveforms and frequencies, they are not drawn to scale.
請參閱第2圖，圖中所示為本發明之可充電電池的一種實施例(可充電電池10)，如圖所示，可充電電池10經由轉換節點NX耦接於電源發送單元20，其中電源發送單元例如但不限於旅行用適配器，即travel adaptor，或是行動電源，即power bank等；電源發送單元20包括發送電源轉換電路21以及發送控制電路22。可充電電池10例如但不限於可為通用型鋰離子充電電池，其包括電池控制電路11以及電池單元(battery cell)12。在一實施例中，電池控制電路11以及電池單元12可整合封入一電池外殼，其中電池外殼符合例如但不限於AA或AAA電池等通用電池規範。此外，轉換節點NX例如但不限於可為AA或AAA電池之外殼正極接點。 Please refer to FIG. 2, which shows an embodiment of the rechargeable battery of the present invention (rechargeable battery 10). As shown in the figure, the rechargeable battery 10 is coupled to the power transmitting unit 20 through the conversion node NX, where The power transmitting unit is, for example but not limited to, a travel adapter, that is, a travel adaptor, or a mobile power source, that is, a power bank, etc .; the power transmitting unit 20 includes a transmitting power conversion circuit 21 and a transmitting control circuit 22. The rechargeable battery 10 may be, for example, but not limited to, a universal lithium-ion rechargeable battery, which includes a battery control circuit 11 and a battery cell 12. In one embodiment, the battery control circuit 11 and the battery unit 12 may be integrated and enclosed in a battery case, wherein the battery case complies with general battery specifications such as, but not limited to, AA or AAA batteries. In addition, the conversion node NX may be, for example, but not limited to, a positive electrode contact of a casing of an AA or AAA battery.
電池控制電路11包括充電電路111，供電電源轉換電路112，以及電池控制單元113。其中於一充電模式中，電源發送單元20用以轉換輸入電源VI而於轉換節點NX上產生轉換電源，其中轉換電源包括轉換電壓VX以及轉換電流 IX，且充電電路111將轉換電源轉換而產生一充電電源以對電池單元12充電，其中充電電源包括充電電壓VCHG以及充電電流ICHG，且於充電模式中，以下列方式之至少之一，於電源發送單元20與可充電電池10之間藉由轉換節點NX進行一電源資料之傳輸：(1)發送控制電路22控制發送電源轉換電路21，而調整轉換電壓VX，於轉換節點NX上以複數電壓位準傳送電源資料，且電池控制單元113經由轉換節點NX而感測轉換電壓VX以接收所述之電源資料。及/或(2)電池控制單元113調整一電池輸入電流IBX，藉由轉換節點NX以複數電流位準傳送電源資料，且發送控制電路22經由轉換節點NX而感測電池輸入電流IBX以接收電源資料。其中轉換電壓VX，轉換電流IX，充電電壓VCHG，或充電電流ICHG中之至少之一根據該電源資料而調整，例如根據電源資料而調整轉換電壓VX或充電電壓VCHG至一預設之電壓位準，或根據電源資料而調整轉換電流IX或充電電流ICHG至一預設之電流位準。 The battery control circuit 11 includes a charging circuit 111, a power supply conversion circuit 112, and a battery control unit 113. In a charging mode, the power transmitting unit 20 is used to convert the input power VI to generate a conversion power on the conversion node NX. The conversion power includes a conversion voltage VX and a conversion current. IX, and the charging circuit 111 converts the converted power to generate a charging power to charge the battery unit 12, wherein the charging power includes a charging voltage VCHG and a charging current ICHG, and in the charging mode, in at least one of the following ways, The transmission unit 20 and the rechargeable battery 10 transmit a power source data through the conversion node NX: (1) The transmission control circuit 22 controls the transmission power conversion circuit 21, and adjusts the conversion voltage VX, and uses a complex voltage on the conversion node NX The level transmits power data, and the battery control unit 113 senses the conversion voltage VX via the conversion node NX to receive the power data. And / or (2) the battery control unit 113 adjusts a battery input current IBX, transmits power data at a plurality of current levels through the conversion node NX, and the sending control circuit 22 senses the battery input current IBX through the conversion node NX to receive power data. At least one of the conversion voltage VX, the conversion current IX, the charging voltage VCHG, or the charging current ICHG is adjusted according to the power source data, for example, the conversion voltage VX or the charging voltage VCHG is adjusted to a preset voltage level according to the power source data. , Or adjust the conversion current IX or the charging current ICHG to a preset current level according to the power source data.
在一實施例中，於一供電模式下，可充電電池10經由轉換節點NX耦接於負載外接單元，其中供電電源轉換電路112轉換電池單元12之一電池電壓VBAT而於轉換節點NX上產生一輸出電源，以供電於該負載外接單元，其中輸出電源符合一通用電池規範，例如但不限於符合AA或AAA電池規範，其中輸出電源具有一大致上為1.5V之輸出電壓。需說明的是，在一實施例中，如第2圖中，電池控制單元113可僅於充電模式中進行電源資料之傳輸，因而可省略與供電電源轉換電路112之間的耦接與控制關係。此外，在一實施例中，電池控制單元113可僅具有傳送電源資料之功能，而無接收電源資料之功能；在一實施例中，電池控制單元113可僅具有接收電源資料之功能，而無傳送電源資料之功能。此外，在一實施例中，發送控制電路22可僅具有傳送電源資料之功能，而無接收 電源資料之功能；在一實施例中，發送控制電路22可僅具有接收電源資料之功能，而無傳送電源資料之功能。 In one embodiment, in a power supply mode, the rechargeable battery 10 is coupled to the load external unit via the conversion node NX. The power supply conversion circuit 112 converts a battery voltage VBAT of one of the battery units 12 to generate a voltage on the conversion node NX. An output power source for supplying power to the load external unit. The output power source conforms to a general battery specification, such as, but not limited to, AA or AAA battery specifications. The output power source has an output voltage of approximately 1.5V. It should be noted that, in an embodiment, as shown in FIG. 2, the battery control unit 113 can transmit power data only in the charging mode, so the coupling and control relationship with the power supply conversion circuit 112 can be omitted. . In addition, in one embodiment, the battery control unit 113 may only have the function of transmitting power data, but not the function of receiving power data. In one embodiment, the battery control unit 113 may only have the function of receiving power data, without The function of transmitting power data. In addition, in one embodiment, the transmission control circuit 22 may only have the function of transmitting power data, and there is no reception. Function of power source data; in one embodiment, the sending control circuit 22 may only have a function of receiving power source data, but not a function of transmitting power source data.
需說明的是：因電路零件的本身或是零件間相互的匹配不一定為理想，因此，雖然欲使輸出電壓大致上為1.5V，但實際產生的輸出電壓可能並不是準確的1.5V，而僅是接近1.5V，此即前述之「大致上」為1.5V之意，下同。 It should be noted that, because the circuit parts themselves or the matching between the parts are not necessarily ideal, although the output voltage is about 1.5V, the actual output voltage may not be exactly 1.5V, and It is only close to 1.5V, which means that the foregoing "approximately" is 1.5V, the same applies hereinafter.
請參閱第3A圖，圖中顯示對應第2圖實施例之操作波形示意圖，如圖所示，在一實施例中，發送控制電路22控制發送電源轉換電路21，而調整轉換電壓VX，於轉換節點NX上以複數電壓位準傳送電源資料，其中所述之電源資料可包括例如但不限於轉換電壓VX，轉換電流IX，充電電壓VCHG，或充電電流ICHG等之位準資料，或其他操作指令資料等。需說明的是，所述以複數電壓位準傳送電源資料，例如但不限於圖中所示由高電壓位準與低電壓位準所組合而成之資料串流，用以表示所述電源資料，在一實施例中，高電壓位準例如可為5.1V，而低電壓位準例如可為5V，在一實施例中，高電壓位準例如可為4.6V，而低電壓位準例如可為4.5V。 Please refer to FIG. 3A, which shows a schematic diagram of the operation waveform corresponding to the embodiment of FIG. 2. As shown in the figure, in one embodiment, the transmission control circuit 22 controls the transmission power conversion circuit 21, and adjusts the conversion voltage VX to convert The node NX transmits power data at multiple voltage levels, where the power data may include, for example, but not limited to, level data such as the converted voltage VX, the converted current IX, the charging voltage VCHG, or the charging current ICHG, or other operating instructions Information, etc. It should be noted that the power data is transmitted at multiple voltage levels, such as, but not limited to, a data stream composed of a high voltage level and a low voltage level as shown in the figure, which is used to represent the power data In one embodiment, the high voltage level may be, for example, 5.1V, and the low voltage level may be, for example, 5V. In one embodiment, the high voltage level may be, for example, 4.6V, and the low voltage level may, for example, be 4.5V.
請繼續參閱第3A圖，所述之電源資料並不限於以轉換節點NX上之高電壓位準與低電壓位準，代表邏輯1或邏輯0而編碼電源資料，在一實施例中，亦可以高電壓位準及/或低電壓位準之時間長度，代表邏輯1或邏輯0而編碼電源資料，例如但不限於以在高電壓位準時維持較長期間(例如300ms)代表邏輯1，而以在高電壓位準時維持較短期間(例如100ms)代表邏輯0。請同時參閱第7圖，在一實施例中，電池控制單元113可包括一比較電路CP，用以比較經延遲電路1131延遲之後之轉換節點NX之電壓(例如轉換電壓VX)，以及經偏移電壓VOS偏移後之轉換節點NX之電壓(例如轉換電壓VX)，而解碼上述以期間長短所代表之資料串流。 Please continue to refer to FIG. 3A. The power data is not limited to the high voltage level and the low voltage level on the conversion node NX, and represents the logic 1 or logic 0 to encode the power data. In one embodiment, The length of time for the high voltage level and / or low voltage level represents the logic 1 or logic 0 to encode the power data, such as, but not limited to, maintaining the high voltage level for a longer period (for example, 300ms) represents the logic 1 and the Maintaining a short period of time (eg, 100 ms) at high voltage levels represents a logic zero. Please refer to FIG. 7 at the same time. In one embodiment, the battery control unit 113 may include a comparison circuit CP to compare the voltage of the conversion node NX (for example, the conversion voltage VX) after being delayed by the delay circuit 1131, and the offset The voltage of the conversion node NX (for example, the conversion voltage VX) after the voltage VOS shifts, and the above-mentioned data stream represented by the period length is decoded.
請參閱第3B圖，圖中顯示對應第2圖實施例之另一種操作波形示意圖，如圖所示，在一實施例中，電池控制單元113可調整電池輸入電流IBX，藉由轉換節點NX以複數電流位準傳送電源資料。其中，調整電池輸入電流IBX，可例如但不限於如第6圖所示，以電池控制單元113中之互相耦接之電流源IS以及開關SB，而調整電池輸入電流IBX，從而藉由轉換節點NX以複數電流位準傳送電源資料。需說明的是，所述以複數電流位準傳送電源資料，例如但不限於圖中所示由高電流位準與低電流位準所組合而成之資料串流，用以表示所述電源資料，在一實施例中，高電流位準例如可為0.6A，而低電流位準例如可為0.5A，在一實施例中，高電流位準例如可為1.6A，而低電流位準例如可為1.5A。 Please refer to FIG. 3B, which shows another schematic diagram of operation waveforms corresponding to the embodiment of FIG. 2. As shown in the figure, in one embodiment, the battery control unit 113 can adjust the battery input current IBX. Multiple current levels transmit power data. Among them, the battery input current IBX can be adjusted, for example, but not limited to, as shown in FIG. 6, the battery input current IBX and the switch SB coupled to each other in the battery control unit 113 are used to adjust the battery input current IBX, so as to change the node NX transmits power data at multiple current levels. It should be noted that the power data is transmitted at multiple current levels, such as, but not limited to, a data stream composed of a high current level and a low current level as shown in the figure, which is used to represent the power data In one embodiment, the high current level may be, for example, 0.6A, and the low current level may be, for example, 0.5A. In one embodiment, the high current level may be, for example, 1.6A, and the low current level may be, for example, Can be 1.5A.
請繼續參閱第3B圖，所述之電源資料並不限於以電池輸入電流IBX之高電流位準與低電流位準，代表邏輯1或邏輯0而編碼電源資料，在一實施例中，亦可以高電流位準及/或低電流位準之時間長度，代表邏輯1或邏輯0而編碼電源資料，例如但不限於以在高電流位準時維持較長期間(例如300ms)代表邏輯1，而以在高電流位準時維持較短期間(例如100ms)代表邏輯0。 Please continue to refer to FIG. 3B, the power source data is not limited to the high current level and low current level of the battery input current IBX, and represents the logic 1 or logic 0 to encode the power source data. In one embodiment, The length of time for the high current level and / or low current level represents the logic 1 or logic 0 to encode the power data, such as, but not limited to, maintaining the high current level for a longer period (e.g. 300ms) represents the logic 1 and the Maintaining a short period of time (e.g., 100 ms) at high current levels represents a logic zero.
從另一觀點而言，亦即，由調整該複數電壓位準之間及/或該複數電流位準之間之一時間間隔而表示該電源資料，即符合本發明之精神。 From another perspective, that is, adjusting the time interval between the multiple voltage levels and / or the multiple current levels to represent the power source data is in accordance with the spirit of the present invention.
請參閱第4圖，圖中所示為本發明之可充電電池的一種實施例(可充電電池10)，如圖所示，可充電電池10經由轉換節點NX耦接於負載外接單元30。其中負載外接單元30包括負載控制電路31以及一可調整負載32，其中可調整負載32具有一負載電流ILD。本實施例中，於供電模式下，供電電源轉換電路112轉換電池單元12之一電池電壓VBAT而於轉換節點NX上產生一輸出電源，其具有一輸出電壓VO，以供電於負載外接單元30，其中輸出電源符合前述之通用電池規範，且於供電模式中，以下列方式之至少之一，於負載外接單元30與可 充電電池10之間藉由轉換節點NX進行一電源資料之傳輸：(1)負載控制電路31調整負載電流ILD，於轉換節點NX上以複數電流位準傳送所述之電源資料，且電池控制單元113經由該轉換節點而感測負載電流ILD以接收電源資料。及/或(2)電池控制單元113控制供電電源轉換電路112，而調整輸出電壓VO，於轉換節點NX上以複數電壓位準傳送該電源資料；且負載控制電路31經由轉換節點NX而感測輸出電壓VO以接收電源資料。其中輸出電壓VO，或負載電流ILD中之至少之一根據該電源資料而調整，例如根據電源資料而調整輸出電壓VO至一預設之電壓位準，或根據電源資料而調整負載電流ILD至一預設之電流位準。其中所述「預設」之電壓位準，可為一固定值，或為一可調整之可變動值，下同。 Please refer to FIG. 4, which shows an embodiment of the rechargeable battery (rechargeable battery 10) of the present invention. As shown in the figure, the rechargeable battery 10 is coupled to the load external unit 30 via the conversion node NX. The load external unit 30 includes a load control circuit 31 and an adjustable load 32. The adjustable load 32 has a load current ILD. In this embodiment, in the power supply mode, the power supply conversion circuit 112 converts a battery voltage VBAT of one of the battery units 12 and generates an output power on the conversion node NX, which has an output voltage VO to supply power to the load external unit 30, The output power complies with the foregoing general battery specifications, and in the power supply mode, at least one of the following methods is used in the load external unit 30 and the The rechargeable battery 10 transmits a power source data through the switching node NX: (1) The load control circuit 31 adjusts the load current ILD, and transmits the power source data at a plurality of current levels on the switching node NX, and the battery control unit 113 senses the load current ILD through the conversion node to receive power data. And / or (2) the battery control unit 113 controls the power supply conversion circuit 112, adjusts the output voltage VO, and transmits the power source data at a plurality of voltage levels on the conversion node NX; and the load control circuit 31 senses via the conversion node NX Output voltage VO to receive power data. At least one of the output voltage VO or the load current ILD is adjusted according to the power source data, for example, the output voltage VO is adjusted to a preset voltage level according to the power source data, or the load current ILD is adjusted to one according to the power source data. Preset current level. The "preset" voltage level can be a fixed value or an adjustable variable value, the same below.
在一實施例中，其中於一充電模式中，電源發送單元20用以轉換輸入電源VI而於轉換節點NX上產生轉換電源，且充電電路111將轉換電源轉換而產生一充電電源(例如包括充電電壓VCHG以及充電電流ICHG)以對電池單元12充電。需說明的是，在一實施例中，如第4圖中之電池控制單元113可僅於供電模式中進行電源資料之傳輸，因而可省略與充電電路111之間的耦接與控制關係。此外，在一實施例中，電池控制單元113可僅具有傳送電源資料之功能，而無接收資料之功能；在一實施例中，電池控制單元113可僅具有接收電源資料之功能，而無傳送電源資料之功能。此外，在一實施例中，負載控制電路31可僅具有傳送電源資料之功能，而無接收電源資料之功能；在一實施例中，負載控制電路31可僅具有接收電源資料之功能，而無傳送電源資料之功能。 In an embodiment, in a charging mode, the power transmitting unit 20 is used to convert the input power VI to generate a conversion power on the conversion node NX, and the charging circuit 111 converts the conversion power to generate a charging power (for example, including charging). Voltage (VCHG and charging current (ICHG)) to charge the battery cell 12. It should be noted that, in an embodiment, the battery control unit 113 as shown in FIG. 4 can transmit power data only in the power supply mode, so the coupling and control relationship with the charging circuit 111 can be omitted. In addition, in one embodiment, the battery control unit 113 may only have a function of transmitting power data and not have a function of receiving data; in an embodiment, the battery control unit 113 may have only a function of receiving power data without transmitting Function of power source data. In addition, in one embodiment, the load control circuit 31 may only have the function of transmitting power data, but not have the function of receiving power data. In one embodiment, the load control circuit 31 may have only the function of receiving power data, without The function of transmitting power data.
請參閱第5A圖，圖中顯示對應第4圖實施例之操作波形示意圖，如圖所示，在一實施例中，電池控制單元113控制供電電源轉換電路112，而調整輸出電壓VO，於轉換節點NX上以複數電壓位準傳送電源資料，其中所述之電源資料可包括例如但不限於輸出電壓VO，或負載電流ILD等之位準資料，或其 他操作指令資料等。需說明的是，所述以複數電壓位準傳送電源資料，例如但不限於圖中所示由高電壓位準與低電壓位準所組合而成之資料串流，用以表示所述電源資料，在一實施例中，高電壓位準例如可為1.6V，而低電壓位準例如可為1.5V，在一實施例中，高電壓位準例如可為1.2V，而低電壓位準例如可為1.1V。 Please refer to FIG. 5A, which shows a schematic diagram of operation waveforms corresponding to the embodiment of FIG. 4. As shown in the figure, in one embodiment, the battery control unit 113 controls the power supply conversion circuit 112, and adjusts the output voltage VO. The node NX transmits power data at multiple voltage levels, where the power data may include, for example, but not limited to, level data such as output voltage VO or load current ILD, or He operates instruction data and so on. It should be noted that the power data is transmitted at multiple voltage levels, such as, but not limited to, a data stream composed of a high voltage level and a low voltage level as shown in the figure, which is used to represent the power data In one embodiment, the high voltage level may be, for example, 1.6V, and the low voltage level may be, for example, 1.5V. In one embodiment, the high voltage level may be, for example, 1.2V, and the low voltage level may be, for example, It can be 1.1V.
請繼續參閱第5A圖，所述之電源資料並不限於以轉換節點NX上之高電壓位準與低電壓位準，代表邏輯1或邏輯0而編碼電源資料，在一實施例中，亦可以高電壓位準及/或低電壓位準之時間長度，代表邏輯1或邏輯0而編碼電源資料，例如但不限於以在高電壓位準時維持較長期間(例如300ms)代表邏輯1，而以在高電壓位準時維持較長期間(例如100ms)代表邏輯0。 Please continue to refer to FIG. 5A, the power data is not limited to the high voltage level and low voltage level on the conversion node NX, and the power data is encoded on behalf of logic 1 or logic 0. In one embodiment, The length of time for the high voltage level and / or low voltage level represents the logic 1 or logic 0 to encode the power data, such as, but not limited to, maintaining the high voltage level for a longer period (for example, 300ms) represents the logic 1 and the Maintaining a high period of time at high voltage levels (for example, 100 ms) represents a logic zero.
請參閱第5B圖，圖中顯示對應第4圖實施例之另一種操作波形示意圖，如圖所示，在一實施例中，負載控制電路31調整負載電流ILD，藉由轉換節點NX以複數電流位準傳送電源資料。需說明的是，所述以複數電流位準傳送電源資料，例如但不限於圖中所示由高電流位準與低電流位準所組合而成之資料串流，用以表示所述電源資料，在一實施例中，高電流位準例如可為0.6A，而低電流位準例如可為0.5A，在一實施例中，高電流位準例如可為1.1A，而低電流位準例如可為1.0A。 Please refer to FIG. 5B, which shows another schematic diagram of operation waveforms corresponding to the embodiment of FIG. 4. As shown in the figure, in one embodiment, the load control circuit 31 adjusts the load current ILD, and the conversion node NX is used to provide a complex current. Levels transmit power data. It should be noted that the power data is transmitted at multiple current levels, such as, but not limited to, a data stream composed of a high current level and a low current level as shown in the figure, which is used to represent the power data In one embodiment, the high current level may be, for example, 0.6A, and the low current level may be, for example, 0.5A. In one embodiment, the high current level may be, for example, 1.1A, and the low current level may be, for example, It can be 1.0A.
請繼續參閱第5B圖，所述之電源資料並不限於以負載電流ILD之高電流位準與低電流位準，代表邏輯1或邏輯0而編碼電源資料，在一實施例中，亦可以高電流位準及/或低電流位準之時間長度，代表邏輯1或邏輯0而編碼電源資料，例如但不限於以在高電流位準時維持較長期間(例如300ms)代表邏輯1，而以在高電流位準時維持較短期間(例如100ms)代表邏輯0。 Please continue to refer to FIG. 5B. The power data is not limited to the high current level and low current level of the load current ILD, and represents the logic 1 or logic 0 to encode the power data. In one embodiment, the power data can also be high. The length of time of the current level and / or the low current level represents the logic 1 or logic 0 to encode the power data, such as, but not limited to, maintaining the high current level for a longer period (such as 300ms) represents the logic 1 and A high current level is maintained for a short period of time (for example, 100 ms) representing a logic zero.
值得注意的是，本發明之可充電電池，由於可與外接供電電路進行通訊，因此可以較佳之充電電源(例如但不限於以較高之電壓或電流)對電池單元充電，而有效縮短充電時間，此外，亦可與負載進行通訊，因此可延長電池之使用壽命。 It is worth noting that, since the rechargeable battery of the present invention can communicate with an external power supply circuit, it can charge the battery unit with a better charging power source (such as, but not limited to, a higher voltage or current), thereby effectively reducing the charging time. In addition, it can also communicate with the load, so the battery life can be extended.
以上已針對較佳實施例來說明本發明，唯以上所述者，僅係為使熟悉本技術者易於了解本發明的內容而已，並非用來限定本發明之權利範圍。所說明之各個實施例，並不限於單獨應用，亦可以組合應用。此外，在本發明之相同精神下，熟悉本技術者可以思及各種等效變化以及各種組合，舉例而言，本發明之可充電電池可與前述具有通訊功能之電源發送單元耦接使用，然亦可以與一般未具有前述通訊功能之電源發送單元耦接使用，本發明之可充電電池可與前述具有通訊功能之負載外接單元耦接使用，然亦可以與一般未具有前述通訊功能之負載外接單元耦接使用。又例如，本發明所稱「根據某訊號進行處理或運算或產生某輸出結果」，不限於根據該訊號的本身，亦包含於必要時，將該訊號進行電壓電流轉換、電流電壓轉換、及/或比例轉換等，之後根據轉換後的訊號進行處理或運算產生某輸出結果。由此可知，在本發明之相同精神下，熟悉本技術者可以思及各種等效變化以及各種組合，其組合方式甚多，在此不一一列舉說明。因此，本發明的範圍應涵蓋上述及其他所有等效變化。 The present invention has been described above with reference to the preferred embodiments, but the above is only for making those skilled in the art easily understand the content of the present invention, and is not intended to limit the scope of rights of the present invention. Each of the described embodiments is not limited to a single application, and may be applied in combination. In addition, under the same spirit of the present invention, those skilled in the art can think of various equivalent changes and various combinations. For example, the rechargeable battery of the present invention can be coupled to the aforementioned power transmitting unit with a communication function. It can also be used in conjunction with a power transmission unit that does not generally have the aforementioned communication function. The rechargeable battery of the present invention can be used in conjunction with the aforementioned load external unit with communication function, but it can also be used externally with a load that does not generally have the aforementioned communication function. Units are coupled for use. For another example, the term "processing or calculation according to a signal or generating an output result" in the present invention is not limited to the signal itself, but also includes performing voltage-current conversion, current-voltage conversion on the signal when necessary, and / Or proportional conversion, etc., and then process or calculate according to the converted signal to produce an output result. It can be seen that, under the same spirit of the present invention, those skilled in the art can think of various equivalent changes and various combinations, and there are many combinations, which are not listed here. Therefore, the scope of the invention should cover the above and all other equivalent variations.
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| US15/865,224 US20180233926A1 (en) | 2017-02-10 | 2018-01-08 | Rechargeable battery with communication and battery control circuit thereof |
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