Features
• Qualified for Automotive Applications
• AEC-Q100 Grade 1: TA= -40℃ to 125℃
• Available Watchdog Timeout Periods 10 ms, 100 ms,
0.6 s, 1.6 s, 3.2s, 6.4 s and 10 s
• Chip Enable Input
• Open Drain or Push-Pull Active Low WDO Output
• Low Power Consumption: 6 μA
• Guaranteed Output Valid to VCC = 1.67 V
• Package: SOT23-5
Applications
• Automotive Cabin
• T-Box
• BMS
• ESS
• Industry Equipment
Description
The TPV710 is a watchdog timer circuit which prevents
system failures caused by certain types of hardware errors
or software errors.
The TPV710 watchdog timer circuit has an input, WDI,
and output WDO. The input is used to clear the
internal watchdog timer periodically within the specified
timeout period tWD. While the system operates correctly, it
periodically toggles the watchdog input, WDI. If the system
fails, the watchdog timer is not reset, and the watchdog
output, WDO, is asserted.
The TPV710 has an enable input, EN, which can enable or
disable the watchdog functionality. The EN is connected to
the internal pull-down resistor. The device is enabled if the
EN pin is left floating.
The TPV710 is available in SOT23-5 package. The
operation temperature range is -40℃ to 125℃.