This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ20Z75-V180: 芯片的ZVCHG脚和GPOD脚是如何实现预充功能的?

Part Number: BQ20Z75-V180


1、我看到BA20Z75芯片管脚描述中,说GPOD脚是高压通用开放式漏极输出,不明白具体是啥意思?

2、ZVCHG脚和GPOD脚实现预充时,是怎么实现的?是不是将P-MOS打开,充电MOS关断来实现(如下图Q2关断,Q3打开)?如果是这样的话,如何限制预充电压和预充电流呢?