What this supervisor does on your board
The Maxim Integrated MAX6412UK16-T is a single-channel voltage supervisor that asserts a reset signal when the monitored supply drops below a 1.575V threshold. The output is active-low, push-pull, so it drives a clean logic-low to the downstream microcontroller or FPGA without needing an external pull-up resistor. The reset timeout is adjustable or selectable, giving the designer flexibility to match the power-up sequence of the load. Rated for -40°C to 125°C, this part handles industrial and automotive under-hood environments. The SOT-23-5 package fits tight layouts on sensor modules, ECU boards, or distributed power nodes.
1.575V threshold — what it means for your rail
The 1.575V threshold is set for monitoring a 1.8V or 1.5V core supply, typical in low-voltage digital logic. When the rail sags below that point, the reset output goes low and holds the system in reset until the supply recovers and the timeout expires. That 1.575V trip point is the decision level: too low and the logic may brown out before the supervisor acts; too high and nuisance resets appear during normal ripple. This part picks a practical mid-point for 1.8V rails.
Active production — no LTB pressure
The RoHS status is noted as non-compliant, so verify your assembly line's exemption allowance if you are running a fully RoHS-compliant process.