1.8V threshold supervisor for automotive rails
This is a single-channel voltage supervisor with a fixed 1.8V threshold — it monitors a 1.8V supply rail and asserts a reset output when the rail drops below that threshold. The output is Active Low, open-drain, so it can be wire-ORed with other reset signals on the bus.
AEC-Q100 qualification and package details
The TPS3703A5180DSERQ1 is AEC-Q100 qualified, which is a non-negotiable requirement for production automotive BOMs. The 6-WSON package (1.5x1.5 mm body) is a small footprint suitable for space-constrained ECU or sensor module PCBs. Store the reels in a dry cabinet if the moisture sensitivity level (MSL) rating is above 1; check the TI datasheet for the exact MSL rating.
The base product number is TPS3703; the full order code includes the threshold voltage (5180 = 1.8V) and the package suffix (DSERQ1 = 6-WSON, Tape & Reel). Verify the BOM line matches this exact suffix before committing.