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HUAWEI Mate 20 Pro反向充电功能,BQ51003无法使用?

Other Parts Discussed in Thread: TIDA-00881, BQ51003

最近用HUAWEI Mate 20 Pro反向充电功能对BQ51003设备(设备实际负载10mA,参考电路完全采用TIDA-00881)进行充电测试,发现BQ51003无法输出电压。用其他品牌无线充电器对BQ51003设备充电可以使用,输出5V。推测原因如下:

1.Mate 20 Pro只能对部分支持Qi协议的认证设备充电(我们的设备未做Qi认证);

2.BQ51003设备使用的19mm接收线圈太小,接收功率太小?

3.参考电路设置的输出电流太大?

有没有其他人遇到类似情况?