求推荐一键开关机电源管理芯片

TI工程师你好，我自己搭建了的一键开关机电路不是很理想，希望能推荐一款一键开关机芯片给我。实现的功能为：长按开机、长按关机

answer：

您好，可以考虑下TPS3422

Johnsin Tao：

回复 answer:

Hi好像就这一款，单通道的

Charlie.tsing：

回复 answer:

For devices with a 0-second delay while TS = VCC, this option is only for factory testing and is not intended for normal operation. Innormal operation, the TS pin should be tied to GND.

TS can not be VCC  while normal use, though we realy need that.

Frank Xiao：

你好，

建议用小MCU, 如MSP430来实现，谢谢。