BQ24210 时而能充时而不能充
时间:10-02
整理:3721RD
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TI的工程师,
我现在遇到一个问题,使用BQ24210当充电电流在10mA以内的时候,我重新插拔USB,就会出现CHG口会由高变低,但是随即又变高,
电流刚开始还有充,但是随即就不充了,请问这是个什么问题?
Hi
10mA这么小,可能已经达到了你的termination threshold, 建议确认一下。
Once the BAT pin goes above VRCH (reaches voltage regulation), and the current tapers down to the termination threshold (20% of the fast charge current), the CHG pin goes high impedance, and a battery detect route is run to determine if the battery was removed or the battery is full. If the battery is present, the charge current will terminate