MAX20028 Power Management Integrated Circuit Analog Devices MAX20028 Power Management Integrated Circuit (PMIC) is a 2.1MHz, multichannel, DC-DC converter designed for automotive applications. The MAX20028 integrates one high-voltage step-down controller (OUT1), designed to run directly from a car battery, and two low-voltage step-down converters (OUT2/OUT3), cascaded from OUT1 into a small footprint. The MAX20028 under no-load conditions consumes only 30µA of quiescent current, making it ideal for automotive applications.