TPS3890: As input is pulled low more than 10s, the output can have a short low pulse.

Roy Chou1

Part Number: TPS3890
Other Parts Discussed in Thread: TPS3820

Team,

Could TPS3890 meet our requirements as below image? (

. As input is pulled low more than 10s, the output can have a short low pulse. The short pulse is used to disable another IC.

)

Roy

over 3 years ago

0 Abhinav.Sharma over 3 years ago

TI__Genius 9375 points

Hi Roy,

The TPS3890 does not decide whether to pull the output down based on a certain amount or time or not. I believe you need a watchdog device, such as the TPS3820, which can make this distinction.

Thanks,
Abhinav.

Power management

Power management forum

TPS3890: As input is pulled low more than 10s, the output can have a short low pulse.