The 5 V supply is jumper selected to power VDD on the TPS2412s and the glitch circuit if the control voltage is less than 3.0 V. The Glitch maker, discussed in the test methods section of the User's Guide, applies a 1 ohm load to the input supply for 1 ms. This disruption allows the user to scope test points and observe system recovery. The Rset resistor is used to program the turn-off point of the TPS2411.
Texas Instruments TPS2412EVM
The TPS2412EVM is an evaluation module set up to wire-OR two power supplies for redundant power to a load using two TPS2412s and MOSFETs.