The invention discloses a battery charging control circuit which comprises a switch-on circuit and a control circuit. The switch-on circuit is connected to the positive and negative electrodes of the lithium battery; one end of the control circuit is connected with the open circuit, and the other end of the control circuit is connected with the negative electrode of the lithium battery; the control circuit comprises a battery voltage sampling circuit, a maximum charging voltage setting circuit, a loop control circuit, a voltage-to-current circuit and a charging shunt circuit; the maximum charging voltage setting circuit and the battery voltage sampling circuit are respectively connected with the loop control circuit; the output end of the loop control circuit is connected with the voltage-to-current circuit, and the voltage-to-current circuit is connected with the charging shunt circuit. The charging equalization of the lithium battery can be realized, the service life of the battery can be effectively prolonged, and the charging equalization circuit has the advantages of simple structure, good practicability and the like.
本发明公开了一种电池充电控制电路,包括开通电路和控制电路;所述开通电路连接在锂电池的正负极;所述控制电路的一端与开通电路连接,控制电路的另一端与锂电池的负极连接;所述控制电路包括电池电压采样电路、最大充电电压设定电路、环路控制电路、电压转电流电路和充电分流电路;所述最大充电电压设定电路和电池电压采样电路分别与环路控制电路连接;所述环路控制电路的输出端与电压转电流电路连接,电压转电流电路与充电分流电路连接。本发明可以实现锂电池的充电均衡,能够有效的提升电池的使用寿命,而且本发明具有结构简单、实用性好等优点。
Battery charging control circuit
一种电池充电控制电路
2023-06-23
Patent
Electronic Resource
Chinese
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