STMicroelectronics STPMIC1EPQR, 14, Boost/Buck Converter 350mA, 2 MHz 44-Pin, WFQFN [STPMIC1EPQR]; 210-2048
The STMicroelectronics highly integrated power management IC for micro processor units works with an input voltage range from 2.8 V to 5.5 V. It comes with 4 adjustable general purpose LDOs.
2 power switch 500mA USB OTG compliant
1 power switch 500mA or 1000mA general purpose
I²C and digital input or output control interface