What the 4-channel sequencer does for a multi-rail board
The MAX16165ATPH+ is a quad power-supply sequencer supervisor from Analog Devices — it monitors four independent voltage rails and asserts a reset signal if any rail falls outside its threshold, with a 68 µs minimum reset timeout to let downstream devices finish their state before the system shuts down. The reset output is active-low open drain, so it pulls the reset line low on a fault and releases it after the timeout clears, compatible with most MCU and FPGA reset inputs that expect a pulled-low signal during power-up or brownout. Four monitored channels cover the typical core, I/O, memory, and auxiliary rails on a processor board — enough for a single FPGA or SoC power tree without daisy-chaining multiple supervisors.
Temperature range and package for board-level integration
Surface-mount assembly with tray packaging — the TQFN body is moisture-sensitive; standard MSL handling applies during reflow.
Lifecycle and compliance for procurement planning
ROHS3 compliant, which means it meets the latest EU restriction levels for lead, mercury, cadmium, and phthalates — no exemption-based compliance gap for global shipments.