The invention is applicable to the field of lithium ion batteries, and provides a simple lithium battery charging equalization circuit, which comprises a series battery pack and an equalization circuit connected in parallel with a single battery; the equalization circuit consists of a voltage stabilizing circuit and specifically comprises a reference voltage stabilized power supply connected in series with a second resistor and then connected in parallel with a first adjustable resistor; and an IGBT is further included, the drain electrode of the IGBT is connected with the positive electrode of the battery, the source electrode of the IGBT is connected with the voltage division diode, and the grid electrode of the IGBT is connected between the second resistor and the reference voltage stabilized power supply. A simple voltage stabilizing circuit is adopted to realize automatic control of battery charging, operation is simple and easy, and the control effect is obvious.
本发明适用于锂离子电池领域,提供了一种简单的锂电池充电均衡电路,包括串联电池组以及与单体电池并联的均衡电路,其中,均衡电路是由稳压电路组成,具体包括,基准电压稳压电源与第二电阻串联后,与第一可调电阻并联;还包括一IGBT,IGBT的漏极连接电池的正极,源极与分压二极管连接,栅极连接在第二电阻与基准电压稳压电源之间。采用简单的稳压电路实现对电池充电的自动控制,简便易行,控制效果明显。
Lithium battery charging equalization circuit
一种锂电池充电均衡电路
2021-03-26
Patent
Electronic Resource
Chinese
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