TPS63002DRCR,这个芯片,通电就坏了。
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.
Hi
1. 首先确认芯片质量,主要确认芯片来源,最好是直接购买自TI, 如果来自电子市场,淘宝,慎用,很容易出质量问题的。
2. layout上注意Powerpad接GND, 功率电感饱和电流足够。
3. layout上查看芯片pin脚是否短路之类,测试输入用软开关控制,不要出现硬开关或者带电插拔。