CN102820970A - Electronic device and authentication method for battery module of electronic device - Google Patents
Electronic device and authentication method for battery module of electronic device Download PDFInfo
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- CN102820970A CN102820970A CN2011101526383A CN201110152638A CN102820970A CN 102820970 A CN102820970 A CN 102820970A CN 2011101526383 A CN2011101526383 A CN 2011101526383A CN 201110152638 A CN201110152638 A CN 201110152638A CN 102820970 A CN102820970 A CN 102820970A
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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
Abstract
The invention discloses an electronic device and an authentication method for a battery module of the electronic device. The electronic device comprises the battery module and a battery authentication module, and the battery module comprises an authentication circuit and an identification resistor. When the battery module is connected to the battery authentication module, the battery authentication module acquires information of the type of the battery module according to the voltage level of a coupling point of a reference resistor and the identification resistor, and transmits authentication demands to the authentication circuit to enable the authentication circuit to transmit authentication information to the battery authentication module through a coupling route of the reference resistor and the identification resistor, wherein the reference resistor is integrally arranged in the battery authentication module.
Description
Technical field
The present invention relates to a kind of authenticate device and authentication method thereof of battery module of electronic installation.
Background technology
Please with reference to Fig. 1, Fig. 1 illustrates the sketch map of known electronic installation 100.In this known art, be used for being connected to electronic installation 100 to be provided with a pull down resistor RPL in the battery 110 that electric power is provided.Pull down resistor RPL is serially connected between the link CN1 and earthed voltage GND of battery 110.Be used in the electronic installation 100 carrying out then comprising pull-up resistor RPU, transistor M1, resistance R SD1 and processor 121 and 122 in the battery authentication module 120 of battery authentication.Pull-up resistor RPU is connected to the grid of voltage V1 and transistor M1, and the drain electrode of transistor M1 then is coupled to voltage V2 and processor 121, and the source electrode of transistor M1 then is coupled to earthed voltage GND.Resistance R SD1 then is serially connected in 122 of end points DT and processors.In addition, battery authentication module 120 also is connected to link CN2.
When the link CN2 that is connected with battery authentication module 120 through its link CN1 when battery 110 interconnected, the voltage on the end points DT can equal voltage V1 and carry out the magnitude of voltage that dividing potential drop produced according to the resistance value of pull-up resistor RPU and pull down resistor RPL.122 voltages that read on the end points DT of processor this moment are with the label of difference battery 110.In addition, when battery 110 effectively was connected to battery authentication module 120, the voltage on the end points DT can reduce and make transistor M1 to close.Therefore, processor 121 receives the magnitude of voltage that equals voltage V2, and judges that in view of the above battery 110 has been connected on the electronic installation 100.
Because under this known battery discriminating method, the battery of non-original factory only need dispose therein one with former factory battery in the resistance of pull down resistor RPL similar resistance, just can make whether battery authentication module 120 can't identification be the battery of former factory.Thus, when action that electronic installation 100 charges to the battery of this kind non-original factory, just might produce the misgivings on the safety because voltage overcharges.
Summary of the invention
The present invention provides a kind of electronic installation, so that the battery module that it was connected is carried out authentication, with the battery module of avoiding non-authentication to electronic installation the infringement that possibly cause.
The present invention provides a kind of authentication method of battery module of electronic installation, with the battery module of avoiding non-authentication to electronic installation the infringement that possibly cause.。
The present invention proposes a kind of electronic installation, comprises battery module and battery authentication module.Battery module has authentication circuit and identification resistance, and wherein, identification resistance is coupled to first reference voltage.The battery authentication module has reference resistance and is coupled to second reference voltage.When this was connected to the battery authentication module when battery module, reference resistance and identification resistance string were connected between first and second reference voltage.The battery authentication module is according to couple the type information that a little voltage level obtain battery module of reference resistance with identification resistance.The battery authentication module also transmits the authentication demand to authentication circuit, makes authentication circuit transmit authentication information to battery authentication module through the reference resistance and the path that couples of identification resistance.
The present invention proposes a kind of authentication method of battery module of the electronic installation with battery authentication module in addition, comprising: read the voltage level of the connection end point of battery authentication module and battery module earlier, and obtain the type information of battery module according to voltage level.Transmit the authentication demand to authentication circuit through the battery authentication module again, and the end points that makes authentication circuit come to be connected with battery module through the battery authentication module according to the authentication demand transmits authentication information to battery authentication module.
Based on above-mentioned, the present invention is known the type information of the battery module that is connected to electronic installation according to the voltage level on the connection end point of battery authentication module and battery module.And, in more utilizing, the present invention build the battery authentication module in the electronic installation in, receive the authentication information that transmits by the authentication circuit in the battery authentication module.Advance with specification, model and the label of the more effective battery module of confirming the to be connected to electronic installation type information of one of them at least, can effectively prevent the infringement of the system that electronic installation causes because of the battery module that uses non-authentication.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs. elaborates as follows.
Description of drawings
Fig. 1 illustrates the sketch map of known electronic installation 100.
Fig. 2 illustrates the sketch map of the electronic installation 200 of one embodiment of the invention.
Fig. 3 illustrates the sketch map of an execution mode of the battery authentication module 220 of the embodiment of the invention.
Fig. 4 A and Fig. 4 B illustrate the oscillogram that the information between battery authentication module and battery module transmits respectively.
Fig. 5 illustrates another execution mode of the battery authentication module 220 of the embodiment of the invention.
Fig. 6 illustrates the authentication method of battery module of the electronic installation of one embodiment of the invention.
[main element symbol description]
200: electronic installation
210: battery module
220: the battery authentication module
211: authentication circuit
221: Main Processor Unit
222,223,224: auxiliary processing module
DT: end points
RBAT_ID, RBAT: divider resistance
RUP: reference resistance
RPL: identification resistance
GND, V1: reference voltage
CN1, CN2: connection end point
PT1: path
RESD: resistance
VUP: on draw voltage
T0, T1, T3, TL, TH: time interval
S610～S630: the authenticating step of battery module
Embodiment
Please with reference to Fig. 2, Fig. 2 illustrates the sketch map of the electronic installation 200 of one embodiment of the invention.Electronic installation 200 comprises battery module 210 and battery authentication module 220.Battery module 210 has authentication circuit 211 and identification resistance R PL, and wherein, the end of identification resistance R PL is coupled to reference voltage GND, and the other end of identification resistance R PL then is coupled to authentication circuit 211.220 of battery authentication modules have reference resistance RUP and are coupled to reference voltage V1.Wherein, battery module 210 and battery authentication module 220 respectively have connection end point CN1 and CN2.
When battery module 210 was connected to battery authentication module 220, reference resistance RUP and identification resistance R PL were serially connected with between reference voltage V1 and GND.That is to say that the voltage on the end points DT that reference resistance RUP and identification resistance R PL couple can equal the result of the dividing potential drop that reference voltage V1 carries out according to reference resistance RUP and the resistance value of identification resistance R PL.
In the present embodiment, battery authentication module 220 obtains the type information of battery module 210 according to the voltage level on the end points DT.At this, so-called type information comprises the information of one of them at least such as battery module 210 labels, model and specification.More specifically explain; Because have the battery module 210 of different types of information, the size of the identification resistance R PL of The built-in is inequality, therefore; When the battery module 210 when different types of information was connected to battery authentication module 220, the voltage level on the end points DT also can be different.Therefore, battery authentication module 220 can be obtained the type information of battery module 210 by the voltage level on the end points DT.
In addition; What please pay special attention to is; Battery authentication module 220 know with battery module 210 produce be connected after; Battery authentication module 220 can transmit the authentication circuit 211 in authentication demand to the battery module 210, and makes authentication circuit 211 transmit authentication information to battery authentication module 220 through reference resistance RUP and the path P T1 that couples that discerns resistance R PL by this.Subsidiary one what carry is that it also be through same path P T1 the authentication demand to be sent to authentication circuit 211 by battery authentication module 220 that aforesaid battery authentication module 220 can transmit authentication demand to the authentication circuits 211 in the battery module 210.
At this, authentication circuit 211 can be a kind of circuit that can transmit the authentication information of numeral or analog format to connection end point CN1.That is to say that authentication circuit 211 can be that the resistance string of utilizing serial connection, the integrated circuit or the capacitance network of executable code produce authentication information.Wherein, when authentication circuit 211 can be to utilize between the voltage of two varying levels to be serially connected in resistance string, and the branch pressure voltage that utilizes resistance string to produce, living authentication information is provided.Perhaps, authentication circuit 211 can utilize the integrated circuit of executable code, the authentication information that provides the numerical data of encoding to be used as.Also or, authentication circuit 211 also can come to produce authentication information voltage is carried out the dividing potential drop or the mode of multiplication of voltage through capacitance network.
Because the connection end point that connection end point CN2 that battery authentication module 220 and battery module 210 are had and CN1 are all single lead; Therefore, the information of 210 of battery authentication module 220 and battery modules transmits and can carry out through a kind of so-called single line connection protocol (one-wire protocol).
So-called single line connection protocol refers to and utilizes single lead to carry out two transfer of data between electronic installation.In simple terms, under the framework of single line connection protocol, can the lead that be used for carrying out transfer of data be remained on the state of being drawn high (pull high).When an electronic installation (for example installing A) therein will transmit data to another electronic installation (for example installing B), device A can will carry out the transmission of data with informing device B through the voltage level a period of time that drags down on (pull low) lead.After device B confirmed to know the data passes action that device A will carry out, device A can transmit the data of difference (logical zero or logical one) through dragging down voltage level different time on the lead.
Below please with reference to Fig. 3, Fig. 3 illustrates the sketch map of an execution mode of the battery authentication module 220 of the embodiment of the invention.Battery authentication module 220 still comprises Main Processor Unit 221, auxiliary processing module 222 and divider resistance RBAT_ID except that comprising reference resistance RUP.Main Processor Unit 221 is coupled to the end points DT that reference resistance RUP does not couple reference voltage V1.222 of auxiliary processing module are coupled to Main Processor Unit 221, and divider resistance RBAT_ID is coupled in coupling between the path of auxiliary processing module 222 and Main Processor Unit 221, and wherein, the resistance value of divider resistance RBAT_ID is less than the resistance value of reference resistance RUP.And Main Processor Unit 221 can utilize its universal input and output, and (General Purpose Input Output, GPIO) port pin position is coupled to end points DT.And through these universal input and output that are connected with end points DT) a pin position of the port biography of carrying out data receives.
Below will cooperate Fig. 2 and Fig. 3, come the acts of authentication of the battery module 210 of the electronic installation 200 of the bright embodiment of the invention specifically.At first, when battery module 210 was connected to electronic installation 200, auxiliary processing module 222 was obtained the type information of battery module 210 according to reading the magnitude of voltage on the end points DT.At this; Auxiliary processing module 222 can be an analog-digital converter; So that the voltage transitions on the end points DT of analog format is become number format, and provide voltage on the end points DT that battery module 210 utilizes number format to obtain the type information of battery module 210.
Then; Auxiliary processing module 222 provides and draws the end (other end of divider resistance RBAT_ID be coupled to end points DT) of voltage VUP to divider resistance RBAT_ID on one; And, auxiliary processing module 222 provided on draw voltage VUP stable after, Main Processor Unit 221 transmits low level voltages to end points DT; So that the voltage level on the end points DT, is pulled to lower voltage level (for example equaling earthed voltage) by the voltage level that draws voltage VUP on equaling.At the same time, 221 of the authentication circuits of battery module 210 can detect the state that the voltage on the end points DT is dragged down, and use the authentication demand of knowing that battery authentication module 220 is proposed.
What deserves to be mentioned is that in the present embodiment, the resistance value of reference resistance RUP is much larger than the resistance value of divider resistance RBAT_ID.When on providing, drawing voltage VUP to the end of divider resistance RBAT_ID when auxiliary processing module 222, the magnitude of voltage on the end points DT almost be by on draw the magnitude of voltage size of voltage VUP to determine.That is to say that the magnitude of voltage on the end points DT of this moment approximates the voltage that draws voltage VUP.On the other hand, after the voltage on the end points DT was stable, Main Processor Unit 221 was through transmitting low level voltage to end points DT, to draw the voltage that falls on the end points DT for equaling low level voltage.
In addition, for carrying out the protection of static discharge, series resistor RESD between Main Processor Unit 221 and end points DT.
The authentication circuit 221 of battery module 210 is after knowing the authentication demand that battery authentication module 220 is proposed; It is the input endpoint that 221 of Main Processor Units change its end points that couples reference resistance RUP; Authentication circuit 221 then can provide end points DT low level voltage, and utilizes the voltage level that drags down on the end points DT to come sequence ground to transmit authentication information.Wherein, Main Processor Unit 221 can utilize a pin position of its universal input/output port to couple end points DT, and uses and transmit voltage and go up or receive the voltage level on the end points DT to end points DT.
In addition, after the authentication demand finished, auxiliary processing module 222 can be known the change in voltage curve of battery module 210 through the change in voltage on the monitoring end points DT.
Subsidiary one carry be, auxiliary processing module 222 provide on the action of drawing the action of voltage VUP and receiving the voltage on the end points DT can accomplish through a pin position of one of Main Processor Unit 221 universal input/output port.In other words, auxiliary processing module 222 can in build in the Main Processor Unit 221.
Following with reference to Fig. 4 A and Fig. 4 B, Fig. 4 A and Fig. 4 B illustrate the oscillogram that the information between battery authentication module and battery module transmits respectively, in Fig. 4 A and Fig. 4 B, are to utilize the single line connection protocol to carry out the transmission of data between battery authentication module and battery module.Wherein, in the illustrating of Fig. 4 A, in time interval T0, auxiliary processing module provides the voltage level that draws voltage VUP and make end points DT to maintain and approximates the voltage level that draws voltage VUP.In time interval T1, Main Processor Unit is then through providing low level voltage to continue to drag down the voltage level of end points DT.In time interval T3, then being battery module receives and knows that the authentication demand is activated at time interval T1, and correspondingly transmits cognition (acknowledge) signal to the battery authentication module with the voltage level that drags down end points DT.
Please note at this; Between time interval T1 and T2; The end points that Main Processor Unit couples end points DT is set to the input endpoint; Use reception and dominate the change in voltage on the end points DT that produces by battery module, receiving the authentication information that authentication circuit was transmitted, and come battery module is carried out the action of authentication through received authentication information.
In the illustrating of Fig. 4 B, the time length of the voltage that authentication circuit can be through dragging down end points DT transmits the authentication information of logical signal.With waveform 410 is example, and authentication circuit continues to drag down time interval TL of voltage of end points DT, transmits logical signal " 1 " to use.Relative, be example with waveform 420, authentication circuit continues to drag down time interval TH of voltage of end points DT, transmits logical signal " 0 " to use.Wherein, time interval TH is longer than time interval TL.
Certainly, the corresponding relation of the length of the time interval that the voltage of above-mentioned logical signal " 1 " or " 0 " and end points DT is dragged down can be changed, and nonessential fixing and can not change.
Below please with reference to Fig. 5, Fig. 5 illustrates another execution mode of the battery authentication module 220 of the embodiment of the invention.Battery authentication module 220 comprises Main Processor Unit 221, auxiliary processing module 223 and 224, divider resistance RBAT and RBAT_ID and resistance R ESD.Inequality with the execution mode that Fig. 3 illustrates, in this execution mode, battery authentication module 220 comprises two auxiliary processing module 223 and 224. Auxiliary processing module 223 and 224 one of them draw voltage in order to when carrying out the authentication demand, to provide, auxiliary processing module 223 and 224 another then be analog-digital converter, in order to before carrying out the authentication demand, to detect the magnitude of voltage on the end points DT.
In addition, also can, the authentication demand, know the change in voltage curve of battery module 210 after finishing as the auxiliary processing module 223 or 224 of analog-digital converter through the change in voltage on the monitoring end points DT.
Please with reference to Fig. 6, Fig. 6 illustrates the authentication method of battery module of the electronic installation of one embodiment of the invention with next.Electronic installation wherein has the battery authentication module, and the authenticating step of present embodiment comprises: at first, read the voltage level of the connection end point of battery authentication module and battery module, and obtain the type information (S610) of battery module according to voltage level.Then, transmit the authentication demand to authentication circuit (S620) by the battery authentication module.At last, make authentication circuit transmit authentication information to battery authentication module (S630) through the end points that the battery authentication module is connected with battery module again, just transmit authentication information to battery authentication module according to the single line connection protocol according to the authentication demand.
Details about the authentication method of the battery module of electronic installation of the present invention all has detailed explanation at aforesaid embodiment and execution mode, below seldom gives unnecessary details for this reason.
In sum, the present invention removes the type information of knowing battery module according to the voltage swing on the tie point of battery module and battery authentication module, more through transmitting authentication information to battery authentication module by battery module.And by the battery authentication module battery module is carried out authentication more accurately by this, and thus, only there is the battery module of former factory fully up to specification can be through authentication, the battery module of non-original factory will can not misapplied by quilt through authentication.Effectively get rid of phenomenon because of the damage that uses the electronic installation that bad battery causes.
Though the present invention with embodiment openly as above; Right its is not in order to limit the present invention; Those skilled in the art are not breaking away from the spirit and scope of the present invention, when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the appended claims person of defining.
Claims (20)
1. electronic installation comprises:
One battery module has an authentication circuit and an identification resistance, and wherein this identification resistance is coupled to one first reference voltage; And
One battery authentication module; Have a reference resistance and be coupled to one second reference voltage; When this battery module is connected to this battery authentication module; This reference resistance and this identification resistance string be connected to this first and this second reference voltage between; This battery authentication module is according to the type information that a little voltage level obtains this battery module that couples of this reference resistance and this identification resistance, and this battery authentication module and the authentication demand that transmits make this authentication circuit transmit an authentication information to this battery authentication module through the path that couples of this reference resistance and this identification resistance to this authentication circuit.
2. electronic installation as claimed in claim 1, wherein this authentication circuit transmits this authentication information to this battery authentication module according to a single line connection protocol.
3. electronic installation as claimed in claim 1, wherein in this battery module, an end of this identification resistance is coupled to this first reference voltage, and the other end of this identification resistance is coupled to this authentication circuit.
4. electronic installation as claimed in claim 1, wherein this battery authentication module comprises:
One Main Processor Unit is coupled to the end points that this reference resistance does not couple this second reference voltage;
One first auxiliary processing module is coupled to this Main Processor Unit; And
One first divider resistance is coupled in coupling between the path of this first auxiliary processing module and this Main Processor Unit, and wherein the resistance value of this divider resistance is less than the resistance value of this reference resistance.
5. electronic installation as claimed in claim 4, wherein this first auxiliary processing module is according to the type information that a little voltage obtains this battery module that couples that reads this reference resistance and this identification resistance.
6. electronic installation as claimed in claim 5, wherein this first auxiliary processing module comprises:
One analog-digital converter, this reference resistance of reception and converting analogue form and the voltage that couples a little of this identification resistance are number format, and obtain the type information according to this reference resistance of number format and the voltage that couples a little of this identification resistance.
7. electronic installation as claimed in claim 4; Wherein this first auxiliary processing module provides and draws voltage to this first divider resistance on one; And this Main Processor Unit transmits coupling a little of a low level voltage to this reference resistance and this identification resistance, starts this authentication demand to use.
8. electronic installation as claimed in claim 7, wherein the magnitude of voltage of this low level voltage is lower than the magnitude of voltage that draws voltage on this.
9. electronic installation as claimed in claim 4; After wherein this authentication demand finishes; This first auxiliary processing module reads and writes down the change in voltage a little that couples of this reference resistance and this identification resistance, and the end points that this Main Processor Unit couples this reference resistance is set to the input endpoint.
10. electronic installation as claimed in claim 4 is wherein built in this Main Processor Unit in this first auxiliary processing module, and is coupled to this first divider resistance through a pin position of one of this Main Processor Unit universal input/output port.
11. electronic installation as claimed in claim 4 wherein also comprises:
One second auxiliary processing module; And
One second divider resistance, the one of which end is coupled to the end points that this reference resistance is not coupled to this second reference voltage, and its other end is coupled to this second auxiliary processing module.
12. electronic installation as claimed in claim 11, wherein this first auxiliary processing module is according to the type information that a little voltage obtains this battery module that couples that reads this reference resistance and this identification resistance.
13. electronic installation as claimed in claim 12; Wherein this first auxiliary processing module is an analog-digital converter; This reference resistance of reception and converting analogue form and the voltage that couples a little of this identification resistance are number format, and obtain the type information according to this reference resistance of number format and the voltage that couples a little of this identification resistance.
14. electronic installation as claimed in claim 11; When wherein this battery authentication module transmits this authentication demand to this authentication circuit; This second auxiliary processing module provides draws voltage to this second divider resistance on one; This Main Processor Unit also transmits coupling a little of a low level voltage to this reference resistance and this identification resistance, starts this authentication demand to use.
15. electronic installation as claimed in claim 14, wherein the magnitude of voltage of this low level voltage is lower than the magnitude of voltage that draws voltage on this.
16. electronic installation as claimed in claim 11 is wherein built in this Main Processor Unit in this first auxiliary processing module, and is coupled to this first divider resistance through a pin position of one of this Main Processor Unit universal input/output port.
17. the authentication method of the battery module of an electronic installation, this electronic installation have a battery authentication module, comprising:
Read a voltage level of the connection end point of this battery authentication module and this battery module, and obtain a type information of this battery module according to this voltage level;
Transmit an authentication demand to this authentication circuit by this battery authentication module; And
The end points that this authentication circuit is connected with this battery module through this battery authentication module according to this authentication demand transmits an authentication information to this battery authentication module.
18. the authentication method of battery module as claimed in claim 17, wherein this authentication circuit transmits this authentication information to this battery authentication module according to a single line connection protocol.
19. the authentication method of battery module as claimed in claim 17 wherein also comprises:
One auxiliary processing module of this battery authentication module is provided draw the connection end point of voltage on one to this battery authentication module and this battery module; And
And a Main Processor Unit that makes this battery authentication module transmits coupling a little of a low level voltage to this reference resistance and this identification resistance, starts this authentication demand to use,
Wherein the magnitude of voltage of this low level voltage is lower than the magnitude of voltage that draws voltage on this.
20. the authentication method of battery module as claimed in claim 19 wherein also comprises:
After this authentication demand finishes, make this auxiliary processing module read and write down the change in voltage on this battery authentication module and the end points that this battery module is connected.
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| CN201110152638.3A CN102820970B (en) | 2011-06-08 | 2011-06-08 | Electronic installation and the authentication method of battery module thereof |
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| CN201110152638.3A CN102820970B (en) | 2011-06-08 | 2011-06-08 | Electronic installation and the authentication method of battery module thereof |
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Cited By (8)
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| CN103078363A (en) * | 2012-12-13 | 2013-05-01 | 广东欧珀移动通信有限公司 | Battery cell identification circuit and identification method thereof |
| CN103117580A (en) * | 2013-02-19 | 2013-05-22 | 惠州Tcl移动通信有限公司 | Mobile terminal with battery compatibility functions and methods for using batteries and controlling battery charging |
| CN105354125A (en) * | 2015-09-25 | 2016-02-24 | 联想(北京)有限公司 | Information processing method, battery and electronic device |
| CN108702007A (en) * | 2017-02-16 | 2018-10-23 | 深圳市大疆灵眸科技有限公司 | Method of supplying power to, for electric installation and electronic device |
| CN110346732A (en) * | 2019-07-23 | 2019-10-18 | 广东以诺通讯有限公司 | A kind of battery detection method and device based on characteristic value identification |
| CN112332497A (en) * | 2020-11-24 | 2021-02-05 | 深圳市神舟创新科技有限公司 | Notebook computer battery identification method |
| CN113270649A (en) * | 2020-02-17 | 2021-08-17 | 丰田自动车株式会社 | Battery control device, battery control method, storage medium, and vehicle |
| CN113571107A (en) * | 2020-07-14 | 2021-10-29 | 台湾积体电路制造股份有限公司 | Method for operating an integrated circuit and integrated circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103078363A (en) * | 2012-12-13 | 2013-05-01 | 广东欧珀移动通信有限公司 | Battery cell identification circuit and identification method thereof |
| CN103117580A (en) * | 2013-02-19 | 2013-05-22 | 惠州Tcl移动通信有限公司 | Mobile terminal with battery compatibility functions and methods for using batteries and controlling battery charging |
| CN103117580B (en) * | 2013-02-19 | 2015-08-19 | 惠州Tcl移动通信有限公司 | Mobile terminal and the battery with battery compatibility function use, charge control method |
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| CN108702007A (en) * | 2017-02-16 | 2018-10-23 | 深圳市大疆灵眸科技有限公司 | Method of supplying power to, for electric installation and electronic device |
| CN110346732A (en) * | 2019-07-23 | 2019-10-18 | 广东以诺通讯有限公司 | A kind of battery detection method and device based on characteristic value identification |
| CN110346732B (en) * | 2019-07-23 | 2021-09-14 | 广东以诺通讯有限公司 | Battery detection method and device based on characteristic value identification |
| CN113270649A (en) * | 2020-02-17 | 2021-08-17 | 丰田自动车株式会社 | Battery control device, battery control method, storage medium, and vehicle |
| CN113270649B (en) * | 2020-02-17 | 2024-01-30 | 丰田自动车株式会社 | Battery control device, battery control method, storage medium, and vehicle |
| CN113571107A (en) * | 2020-07-14 | 2021-10-29 | 台湾积体电路制造股份有限公司 | Method for operating an integrated circuit and integrated circuit |
| CN112332497A (en) * | 2020-11-24 | 2021-02-05 | 深圳市神舟创新科技有限公司 | Notebook computer battery identification method |
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