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你好。我们现在用贵公司的两款芯片遇到一些问题,,求指教。。我们用TPS40210实现将太阳能电池板的电压18V的电压升压到29V 。用BQ24620实现将29V的电压降压为25.2V来为锂电池充电。现在我们可以实现升压,并且充电的模块单独用稳压源供29V的电压也是可以降压为25.2V 问题是将升压得到的29V电压供给充电模块,却无法得到25.2V的电压,得到的电压只有0.7V 左右

Other Parts Discussed in Thread: BQ24620, TPS40210

谢谢。。