Six-rail supervisor for multi-voltage board sequencing
The MAX16003ETE+ is a multi-voltage supervisor from Analog Devices that monitors up to six supply rails against six selectable threshold combinations. It asserts an active-low, open-drain reset output when any monitored voltage falls below its threshold, and holds reset for a minimum of 140 ms after all rails return to tolerance. The 16-TQFN (4x4 mm) package with exposed pad allows direct thermal conduction to the PCB ground plane, which matters when the supervisor sits on a dense board near hot regulators or processors.
Threshold flexibility and reset timing for multi-rail systems
Six voltage monitors with selectable threshold combinations let the designer assign each input to a specific rail without external resistor dividers — the threshold set is chosen by pin-strapping or factory programming, depending on the variant. This reduces BOM count and board area compared to discrete comparators or resistor networks. The 140 ms minimum reset timeout gives downstream ICs (FPGAs, MCUs, ASICs) time to complete their power-on-reset sequences before the supervisor releases the system from reset. The open-drain output allows multiple supervisors or other reset sources to share a common pull-up and wired-OR connection.
Industrial temperature range and compliance posture
The package is ROHS3 compliant, with no restricted substances beyond the standard exemptions. Production is ongoing, so the part is available through authorized distribution channels without a last-time-buy window. No official pin-compatible second-source or successor is documented; the six-channel supervisor footprint is specific to this device.
Package and board integration notes
The 16-TQFN (4x4 mm) has a 0.50 mm pitch with an exposed paddle on the bottom. The paddle must be soldered to a thermal via array under the package to achieve the rated thermal performance. The tube shipment means the parts arrive in anti-static tubes, not tape-and-reel — factor this into pick-and-place feeder setup if ordering production quantities.