qingfan zhu:
电路图是不是错了?
Jack Li:
回复 qingfan zhu:
Sir,
your schematic is right, one thing is to check whether the input of Vin input (pin2/pin 13) is stable?
Also you can refer to TIPD161 Design File .
http://www.ti.com/tool/TIPD161?keyMatch=TIPD161&tisearch=Search-EN-Everything
Regards,
Jack