AP22953

Document number: DS42795 Rev. 1 - 2

2 of 12

www.diodes.com

January 2022

© Diodes Incorporated

AP22953

Typical Applications Circuit

AP22953

CIN

1uF

VBUS_CON

VBUS_SYS

GND

#ACK

#EN

CLOAD

2.2uF

4.3k

VCC

GPIO

GPIO

VBUS

VOUT

To System

D-

D+

I2C/GPIO

CC Logic

& Controller

BAT

Li-ion

Uni-Directional ESD

Protection Device

VBUS

D-

D+

CC1

CC2

GND

PMIC/Charger

Pin Descriptions

Pin

Name

Pin Number

I/O

Function

VBUS_CON

B3, C2, C3

I/O

Supply voltage from USB connector VBUS pin. Bypass VBUS_CON with a 1μF ceramic

capacitor as close as possible to the device.

VBUS_SYS

A2, A3, B2

I/O

Internal supply voltage rail to PMIC VBUS plane. Bypass VBUS_SYS with a 2.2μF ceramic

capacitor as close as possible to the device.

#ACK

B1

O

Open-Drain Acknowledge pin.

#EN

C1

I

Enable Active-Low Input. Drive #EN low to enable the switch. Drive #EN high to disable the

switch.

GND

A1, A4, B4, C4

Ground

Device ground. Connect to PCB ground plane