Texas Instruments TPS36-Q1 Ultra-Low Power Precision Supervisor consumes 250nA (typical) and offers a precision voltage supervisor with a programmable window watchdog timer. The TPS36-Q1 supports wide threshold levels for undervoltage supervision with 1.2% accuracy across the specified temperature range. The TPS36-Q1 offers a high-accuracy window watchdog timer with a host of features for various applications. The close window timer can be factory-programmed or user-programmed using an external capacitor. The open window-to-close window ratio can be changed on-the-fly using a combination of logic pins. The watchdog also offers unique features such as enable-disable, startup delay, and independent WDO pin option.
