NCP81239A, NCP81239 Datasheet - ON Semiconductor

NCP81239A USB Power Delivery 4-Switch Buck Boost Controller

Pin Pin Name Description 1 HSG1 S1 gate drive. Drives the S1 N *channel MOSFET with a voltage equal to VDRV superimposed on the switch node voltage VSW1. 2 LSG1 Drives the gate of the S2 N *channel MOSFET between ground and VDRV. 3, 22 PGND Power ground for the low side MOS.

NCP81239, NCP81239A USB Power Delivery 4-Switch Buck Boost Controller The NCP81239 USB Power Delivery (PD) Controller is a synchronous buck boost that is optimized for converting battery voltage or adaptor voltage into power supply rails required in notebook, tablet, and desktop systems, as well as many other consumer devices using USB PD standard and C Type cables. The NCP81239 is fully compliant to the USB Power Delivery Specification when used in conjunction with a USB PD or C .

NCP81239A Features

* Wide Input Voltage Range: from 4.5 V to 32 V

* Dynamically Programmed Frequency from 150 kHz to 1.2 MHz

* I2C Interface

* Real Time Power Good Indication

* Controlled Slew Rate Voltage Transitioning

* Feedback Pin with Internally Programmed Reference

NCP81239-ONSemiconductor.pdf