watchdog IC replace

laisan zhang

Other Parts Discussed in Thread: TPS3420, TPS3808

Hi Support Team,

customer is use tps3823-33,

and customer need one PN to replace this one.

requirement as follow:

watch dog IC, need EN control pin(low or high),

reset output low to MCU,

need long time delay for watchdog time out, such as 20s or couple minutes

please help to suggest one suitable PN for customer.

b/r

vincent

0 Curly Li 8 年多前

Hi Vincent,

Pls try to see the two devices: One is TPS3808 with adjustable delay time from 1.25ms-10s; Another is push button Reset device TPS3420.

may i know why this application need couple minutes delay time ? If so, may be the Timer TPL511 can be consider.

0 laisan zhang 8 年多前回复 Curly Li

Hi Curly,

thanks for you suggestion.

customer accept TPL50101 after discuss with them.

b/r

vincent

电源管理论坛