Battery backup supervisor in a 2x2 mm DFN
It integrates a precision voltage reference, a comparator, and a reset generator in an 8-uDFN package measuring 2x2 mm. The reset output is active-low, push-pull, so no external pull-up resistor is needed — it drives the reset input of an MCU, FPGA, or SRAM directly. With a threshold of 2.93 V and a minimum reset timeout of 140 ms, this part monitors a single supply rail and holds the reset output for the timeout period.
The 2.93 V threshold triggers a reset before the supply falls far enough to cause erratic logic behaviour. The 140 ms minimum reset timeout ensures the processor stays in reset through the worst-case power-up ramp. Because the part monitors only one voltage, it fits designs where a single core rail needs supervision. Multi-rail systems need a companion supervisor or a multi-channel part.
The MAX16038LLA29+T is listed as Active on the manufacturer's product status.