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Charge control circuit for starting power source

A technology for charging control and starting the power supply. It is applied in battery circuit devices, charging/discharging current/voltage regulation, circuit devices, etc. It can solve problems such as battery explosion, battery and circuit board damage, etc. less effect

Pending Publication Date: 2017-05-31
湖南电将军新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The car starting power supply is a special-purpose mobile power supply. When using an external circuit to charge the energy storage module of the car starting power supply, if the current is too large, it will not only cause damage to the battery and circuit board, but also easily cause the explosion of the battery. Therefore, it is necessary to To control the charging process necessary, it is necessary to design a charging control circuit to start the power supply

Method used

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  • Charge control circuit for starting power source
  • Charge control circuit for starting power source
  • Charge control circuit for starting power source

Examples

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Embodiment 1

[0074] like figure 1 , an automobile starting power supply, comprising a main control circuit, a charging input interface, a voltage stabilizing circuit, a boosting circuit, an energy storage module and an output circuit;

[0075] The charging input interface supplies power to the main control circuit through the voltage stabilizing circuit;

[0076] The charging input interface charges the energy storage module through the boost circuit; the boost circuit is controlled by the main control circuit;

[0077] The output circuit includes an output interface and a relay controlled by the main control circuit; the energy storage module is connected to the output interface through a relay;

[0078] The energy storage module is an energy storage module based on a supercapacitor.

[0079] The car starting power supply also includes a pre-charging control switch circuit and a main charging control switching circuit; the charging input interface is connected to the energy storage modu...

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Abstract

The invention discloses a charge control circuit for a starting power source. The charge control circuit comprises a booster protection chip U9, a charge output circuit and 3 control ends CTL-CHG, CTL-INA and CTL-INB. The booster protection chip U9 is an FP5139 chip; an end GATE of the booster protection chip U9 in the charge output circuit is connected with a pole B of an NPN-type triode Q19 and a pole B of a PNP-type triode Q20 by a resistor R15; a pole E of the triode Q19 is in short circuit with a pole C of the triode Q20; a pole C of the triode Q19 is connected with a power source VCC-BAT by a resistor R16; a pole E of the triode Q19 is connected with a pole G of an NMOS (n-channel metal oxide semiconductor) transistor Q10 by a resistor R43, and a pole D of the NMOS transistor Q10 is connected with a joint of an inductor L4 and a diode D6; a pole S of the NMOS transistor Q10 and a pole E of the triode Q20 are grounded. The charge control circuit for the starting power source has the advantages that the external control ends are combined with the booster protection chip, accordingly, charge can be controlled, and the charge control circuit is high in safety and reliability.

Description

technical field [0001] The invention particularly relates to a charging control circuit for starting a power supply. Background technique [0002] The car starting power supply is a special-purpose mobile power supply. When using an external circuit to charge the energy storage module of the car starting power supply, if the current is too large, it will not only cause damage to the battery and circuit board, but also easily cause the explosion of the battery. Therefore, it is necessary to Necessary control of the charging process, it is necessary to design a charging control circuit to start the power supply. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a charging control circuit for starting a power supply. The charging control circuit for starting a power supply adopts an external control terminal combined with a boost protection chip to realize charging control, and has high safety and reliability. [000...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH02J7/0013H02J7/007
Inventor 刘艳开
Owner 湖南电将军新能源有限公司
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