NCP81239A controller equivalent, usb power delivery 4-switch buck boost controller.
* 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 Indicatio.
requiring dynamically controlled slew rate limited output voltage that require either voltage higher or lower than the i.
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
.
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