AP2162A/AP2172A

1.0A DUAL CHANNEL CURRENT-LIMITED POWER

SWITCH WITH OUTPUT DISCHARGE

AP2162A/2172A

Document number: DS32192 Rev. 2 - 2

2 of 17

www.diodes.com

October 2010

© Diodes Incorporated

Typical Application Circuit

 

1uF

IN

GND

EN2

OUT1

ON

10uF*

Power Supply

2.7V to 5.5V

1uF

OFF

FLG 1

Load

10k

10k

FLG 2

EN1

OUT2

10uF*

1uF

Load

AP 2172 A Enable Active High

Note: * USB 2.0 requires 120 F per hub

μ

Available Options

Part Number

Channel

Enable pin (EN)

Current limit

(typical)

Recommended maximum

continuous load current

AP2162A

2

Active Low

1.4A

1.0A

AP2172A

2

Active High

1.4A

1.0A

Pin Descriptions

Pin Name

Pin Number

Descriptions

GND

1

Ground

IN

2

Voltage input pin

EN1

3

Switch 1 enable input, active low (AP2162A) or active high (AP2172A)

EN2

4

Switch 2 enable input, active low (AP2162A) or active high (AP2172A)

FLG2

5

Switch 2 over-current and over-temperature fault report; open-drain flag is active

low when triggered

OUT2

6

Switch 2 voltage output pin

OUT1

7

Switch 1 voltage output pin

FLG1

8

Switch 1 over-current and over-temperature fault report; open-drain flag is active

low when triggered

Exposed Pad

-

Internally connected to GND; recommend connecting to the GND externally for

improved power dissipation