Integrated Power Management IC, Specialized Controllers, power management IC - tatanh1983/conchodom GitHub Wiki

The boost converter can power up to 3 USB ports (two 500 mA host USB and one 100 mA USB OTG). The STPMIC1 features an advanced bypass architecture allows the smooth regulation of VBUS for USB ports from a battery as well as low-cost consumer 5 V AC-DC adapters.

https://www.futureelectronics.com/npi/stmicroelectronics-stpmic1-power-management-ic