Typical Application Circuit
AP 2192 A Enable Active High
Power Supply
2.7V to 5.5V
10k 10k
ON
OFF
AP2182A/AP2192A
1.5A DUAL CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
IN
OUT 1
1uF
FLG 1
FLG 2
OUT 2
EN1
EN2 GND
Load
1uF
10uF*
Load
1uF
10uF*
Available Options
Part Number
AP2182A
AP2192A
Note: * USB 2.0 requires 120uF per hub
Channel
2
2
Enable pin (EN)
Active Low
Active High
Current limit
(typical)
2.0A
2.0A
Recommended maximum
continuous load current
1.5A
1.5A
Pin Descriptions
Pin Name
GND
IN
EN1
EN2
FLG2
OUT2
OUT1
FLG1
Exposed Pad
Pin Number
1
2
3
4
5
6
7
8
-
Descriptions
Ground
Voltage input pin
Switch 1 enable input, active low (AP2182A) or active high (AP2192A)
Switch 2 enable input, active low (AP2182A) or active high (AP2192A)
Switch 2 over-current and over-temperature fault report; open-drain flag is active
low when triggered
Switch 2 voltage output pin
Switch 1 voltage output pin
Switch 1 over-current and over-temperature fault report; open-drain flag is active
low when triggered
Internally connected to GND; recommend connecting to the GND externally for
improved power dissipation
AP2182A/2192A
Document number: DS32193 Rev. 2 - 2
2 of 17
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October 2010
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