AP22950

Document number: DS47157 Rev. 2 - 2

2 of 15

www.diodes.com

May 2025

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AP22950

Typical Applications Circuit

– Multi USB-C Ports

GND

CC1_A/

CC2_A

AP22950

VBUS

OVLO

GND

VINT

ACKb

ENb

PMIC /

Battery Charger

MCU/

Processor

*C_VBUS

GND

CC1_B/

CC2_B

AP22950

VBUS

OVLO

GND

VINT

ACKb

ENb

VBUS_B

*C_VBUS

VINT

ACKb_A

ENb_A

ACKb_B

ENb_B

VBUS_A

COUT

COUT

R1**

R2

R1**

R2

Figure 1. Typical Application Diagram - Multi USB-C® Ports

Notes:

*C_VBUS requires larger than 22µF capacitance for 110V surge protection.

** R1 is recommended to use minimum 1M

Ω.

Pin Descriptions

Pin Name

Pin Number

Type

Function

VBUS

B2, C2, D2, E1, E2

Power

Power Input

VINT

A1, B1, C1, D1

Power

Power Output

OVLO

B3

Input

Overvoltage threshold adjustment by external resistor (Default 23V if OVLO = GND)

ACKb

A2

Open Drain

Output

Power-Good Acknowledge (Output Low for valid VBUS input)

GND

C3, D3, E3

Power

Gate driver out pin. Connects to gate of external MOSFET

ENb

A3

Input

Enable Control (Active Low)

Functional Block Diagram

Control Logic

VBUS

TRCB

OVLO

/ UVLO

Surge

Protection

OVLO

VINT

ACKb

ENb

1M

GND

Q1

Q2

Figure 2. Functional Block Diagram