CN202503331U - Circuit and battery for reducing self-consumption of battery management chip - Google Patents
Circuit and battery for reducing self-consumption of battery management chip Download PDFInfo
- Publication number
- CN202503331U CN202503331U CN2012200883203U CN201220088320U CN202503331U CN 202503331 U CN202503331 U CN 202503331U CN 2012200883203 U CN2012200883203 U CN 2012200883203U CN 201220088320 U CN201220088320 U CN 201220088320U CN 202503331 U CN202503331 U CN 202503331U
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- circuit
- triode
- battery
- connects
- voltage stabilizing
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a circuit and a battery which are used for reducing self-consumption of a battery management chip. The circuit comprises a battery set, a protective circuit, a single chip machine and a voltage stabilization circuit, wherein the battery set and the protective circuit are connected to the single chip machine; the single chip machine is connected to the voltage stabilization circuit; the voltage stabilization circuit is connected the cathode of a diode D; the anode of the diode D is connected to the emitter of a transistor Q2; the collector of the transistor Q2 is connected to the battery set and the protective circuit; the base of the transistor Q2 is connected to the collector of transistor Q1; the emitter of the transistor Q1 is grounded; the base of the transistor Q1 is connected to the anode of a voltage stabilization diode ZD1 though a first resistor; and the cathode of the voltage stabilization diode ZD1 is connected to the battery set and the protective circuit. The circuit disclosed by the utility model can reduce the self-consumption of the management chip when a storage battery set is standby.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind ofly is used to reduce the circuit of battery management chip from power consumption.
Background technology
The battery that provides in the prior art is when packing electric equipment into, and under the situation of electric equipment standby, meeting is bigger owing to managing chip causes from power consumption, has influenced the stand-by time of electric equipment.
The utility model content
The utility model provides a kind of circuit of battery management chip from power consumption that be used to reduce, managing chip from power consumption when reducing the batteries standby.
To achieve these goals, the utility model provides following technical scheme:
A kind ofly be used to reduce the circuit of battery management chip from power consumption, it comprises: battery pack and protective circuit, single-chip microcomputer and voltage stabilizing circuit, wherein:
Said battery pack and protective circuit connect single-chip microcomputer; Said single-chip microcomputer connects the voltage stabilizing circuit; Said voltage stabilizing circuit connects the negative pole of diode D, and the positive pole of said diode D connects the emitter of triode Q2, and the collector electrode of said triode Q2 connects said battery pack and protective circuit;
The base stage of said triode Q2 connects the collector electrode of triode Q1; The emitter of said triode Q1 connects ground connection; The base stage of said triode Q1 is through the positive pole of first resistance connection voltage stabilizing didoe ZD1, and the negative pole of said voltage stabilizing didoe ZD1 connects said battery pack and protective circuit.
Preferably, the base stage of said triode Q1 is through second grounding through resistance.
Preferably, the base stage of said triode Q2 connects the collector electrode of said triode Q2 through the 3rd resistance.
The utility model also provides a kind of battery, comprises above-mentioned circuit arbitrarily.
Through implementing above technical scheme; Have following technique effect: the circuit that the utility model provides turn-offs microcontroller power supply when battery voltage is higher, makes single-chip microcomputer get into sleep state; When battery voltage drops to (during 3.3 ± 0.3V) * N=Vout; Automatically start microcontroller power supply (N is that battery pack has single battery joint number), thus reduce battery pack from consuming electric power, reach more than prolongs standby time to ten several times.
Description of drawings
Fig. 1 is used to reduce the structure principle chart of battery management chip from the circuit of power consumption for what the utility model embodiment provided.
Embodiment
In order better to understand the technical scheme of the utility model, describe the embodiment that the utility model provides in detail below in conjunction with accompanying drawing.
The utility model embodiment provides a kind of circuit of battery management chip from power consumption that be used to reduce, and as shown in Figure 1, it comprises: battery pack and protective circuit, single-chip microcomputer and voltage stabilizing circuit, wherein:
Said battery pack and protective circuit connect single-chip microcomputer; Said single-chip microcomputer connects the voltage stabilizing circuit; Said voltage stabilizing circuit connects the negative pole of diode D, and the positive pole of said diode D connects the emitter of triode Q2, and the collector electrode of said triode Q2 connects said battery pack and protective circuit;
The base stage of said triode Q2 connects the collector electrode of triode Q1; The emitter of said triode Q1 connects ground connection; The base stage of said triode Q1 is through the positive pole of first resistance R, 1 connection voltage stabilizing didoe ZD1, and the negative pole of said voltage stabilizing didoe ZD1 connects said battery pack and protective circuit.In on this city, coming, concrete, this voltage stabilizing circuit is connected the control I/O end of single-chip microcomputer, and this voltage stabilizing circuit is used for the voltage to single-chip microcomputer output 5V.This battery pack and protective circuit comprise battery pack and the protective circuit that is used to protect this battery pack.
In the above-described embodiments, more concrete, the base stage of said triode Q1 is through second resistance R, 2 ground connection.
In the above-described embodiments, more concrete, the base stage of said triode Q2 connects the collector electrode of said triode Q2 through the 3rd resistance R 3.
When the voltage of battery pack and protective circuit is high, voltage stabilizing didoe ZD1 conducting, thus make triode Q1 conducting, the output of triode Q2 no-voltage electric current, single-chip microcomputer is not worked.Otherwise, when the voltage of battery pack and protective circuit drop to Vout=(during 3.3 ± 0.3V) * N, voltage stabilizing didoe ZD1 ends, and triode Q1 ends, triode Q2 conducting, single-chip microcomputer work, this moment, single-chip microcomputer can be carried out relevant defencive function.
The utility model also provides a kind of battery, and it comprises the described circuit of above-mentioned any embodiment.
More than a kind ofly be used to reduce battery management chip and carried out detailed introduction what the utility model embodiment provided from the circuit of power consumption; For one of ordinary skill in the art; Thought according to the utility model embodiment; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (4)
1. one kind is used to reduce the circuit of battery management chip from power consumption, it is characterized in that, comprising: battery pack and protective circuit, single-chip microcomputer and voltage stabilizing circuit, wherein:
Said battery pack and protective circuit connect single-chip microcomputer; Said single-chip microcomputer connects the voltage stabilizing circuit; Said voltage stabilizing circuit connects the negative pole of diode D, and the positive pole of said diode D connects the emitter of triode Q2, and the collector electrode of said triode Q2 connects said battery pack and protective circuit;
The base stage of said triode Q2 connects the collector electrode of triode Q1; The emitter of said triode Q1 connects ground connection; The base stage of said triode Q1 is through the positive pole of first resistance connection voltage stabilizing didoe ZD1, and the negative pole of said voltage stabilizing didoe ZD1 connects said battery pack and protective circuit.
2. circuit according to claim 1 is characterized in that, the base stage of said triode Q1 is through second grounding through resistance.
3. circuit according to claim 1 or claim 2 is characterized in that the base stage of said triode Q2 connects the collector electrode of said triode Q2 through the 3rd resistance.
4. a battery is characterized in that, comprises any described circuit of claim 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200883203U CN202503331U (en) | 2012-03-09 | 2012-03-09 | Circuit and battery for reducing self-consumption of battery management chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200883203U CN202503331U (en) | 2012-03-09 | 2012-03-09 | Circuit and battery for reducing self-consumption of battery management chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503331U true CN202503331U (en) | 2012-10-24 |
Family
ID=47039932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200883203U Expired - Fee Related CN202503331U (en) | 2012-03-09 | 2012-03-09 | Circuit and battery for reducing self-consumption of battery management chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545860A (en) * | 2012-07-10 | 2014-01-29 | 统达能源股份有限公司 | Electric power storage device with energy collection characteristic and protection method |
| CN107465247A (en) * | 2017-04-14 | 2017-12-12 | 临沂市华夏高科信息有限公司 | A kind of farad capacitor circuit capable of delaying disconnection suitable for intelligent cabinet control system |
-
2012
- 2012-03-09 CN CN2012200883203U patent/CN202503331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545860A (en) * | 2012-07-10 | 2014-01-29 | 统达能源股份有限公司 | Electric power storage device with energy collection characteristic and protection method |
| CN103545860B (en) * | 2012-07-10 | 2015-07-15 | 统达能源股份有限公司 | Electric power storage device with energy collection characteristic and protection method |
| CN107465247A (en) * | 2017-04-14 | 2017-12-12 | 临沂市华夏高科信息有限公司 | A kind of farad capacitor circuit capable of delaying disconnection suitable for intelligent cabinet control system |
| CN107465247B (en) * | 2017-04-14 | 2024-05-03 | 山东华夏高科信息股份有限公司 | Faraday capacitor delay power-off circuit suitable for intelligent cabinet control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20170309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |