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bq24040充被放电保护了的电池的问题

Other Parts Discussed in Thread: BQ24040

请问bq24040充被放电保护了的电池时有时能充有时不能充,电池的放电保护恢复电压是3V,充不进时,bq24040的输出端电压低于3V。充电电路加了NTC电阻,有负载