AP2142A/AP2152A

0.5A DUAL CHANNEL CURRENT-LIMITED POWER

SWITCH WITH OUTPUT DISCHARGE

AP2142A/2152A

Document number: DS32191 Rev. 2 - 2

2 of 17

www.diodes.com

October 2010

© Diodes Incorporated

Typical Application Circuit

 

1uF

IN

GND

EN 2

OUT 1

ON

4.7uF*

Power Supply

2.7V to 5 .5 V

1uF

OFF

FLG 1

Load

10 k

10 k

FLG 2

EN 1

OUT 2

4.7uF*

1uF

Load

AP 2152 A Enable Active High

Note: * USB 2.0 requires 120uF per hub

Available Options

Part Number

Channel

Enable pin (EN)

Current limit

(typical)

Recommended maximum

continuous load current

AP2142A

2

Active Low

0.7A

0.5A

AP2152A

2

Active High

0.7A

0.5A

Pin Descriptions

Pin Name

Pin Number

Descriptions

GND

1

Ground

IN

2

Voltage input pin

EN1

3

Switch 1 enable input, active low (AP2142A) or active high (AP2152A)

EN2

4

Switch 2 enable input, active low (AP2142A) or active high (AP2152A)

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