Automotive, 125°C Operation, 3.8 μA Current Consumption Watchdog Timer (Time-out mode) with Reset Function S-19405 Series

TMSOP-8 (FM008-A) HSNT-8(2030) (PP008-A)

The S-19405 Series is a watchdog timer developed using CMOS technology, which can operate with low current
consumption of 3.8 μA typ. The reset function and the low voltage detection function are available.

Features

Detection voltage

2.0 V to 5.0 V, selectable in 0.1 V step

Detection voltage accuracy

±2.0%

Input voltage

Vdd  = 0.9 V to 6.0 V

Hysteresis width

5% typ.

Current consumption during watchdog timer operation

3.8 μA typ. 

Reset time-out period

14.5 ms typ. (Cpor = 2200 pF)

Watchdog time-out period

24.6 ms typ. (Cwdt = 470 pF)

Watchdog operation is switchable

Enable, Disable

Watchdog operation voltage range

V_DD = 2.5 V to 6.0 V

Watchdog input edge is selectable

Rising edge, falling edge

Watchdog mode

Time-out mode

Operation temperature range

Ta = −40°C to +125°C

Lead-free (Sn 100%), halogen-free

AEC-Q100 qualified^*1

*1. Contact our sales representatives for details.

Applications

• For automotive use (engine, transmission, suspension, ABS, related-devices for EV / HEV / PHEV, etc.)