Housed in 7 x 7 mm TQFN package, Model XR77128 drives up to 4 independently controlled external DrMOS power stages at currents >40 A for 64-bit ARM processors, FPGAs, DSPs, and ASICs. RoHS-compliant device features 4.75–25 V input voltage and digital PWM 105 kHz to 1.23 MHz operation. Programmed through I²C-based SMBus compliant serial interface, PMIC has 5 configurable GPIOs that allow system integration for fault reporting and status or for sequencing control.