8.5V threshold supervisor for 12V/9V rails
The TPS3847085DBVR is a Texas Instruments Simple Reset/Power-On Reset IC that monitors a single voltage rail and asserts a reset when the supply drops below 8.5V. The active-low, push-pull output drives the reset line directly without an external pull-up resistor. The 4.5ms typical reset timeout gives the supply time to recover from short dips while still catching genuine brownouts.
SOT-23-5 package and active lifecycle
It ships in a SOT-23-5 package, surface-mount, available in tape-and-reel or cut-tape options.