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求助电源管理芯片选型

Other Parts Discussed in Thread: BQ24070

我们有个手持式仪表,里面有充电电池。

现在要选一款芯片,要求完成功能:对电路供电的切换(外部供电时使用外部供电)、外部12v供电时能完成对电池的充电(锂电池,不要求快充)、电池电量的检测。

有没有便宜的方案推荐?