Datasheet

PG CS
S1
S4
PG CS
S2
S5
PG CS
S3
S6
CurrentLimit
ThermalLimit
Control
Logic
UVLO
POR
FAULT
AUXIN
Delay
PWR_GOOD_ALL
3.3VOUT
AUXOUT
1.5VOUT
OC
RCLKEN
PERST
SYSRST
3.3VIN
AUXIN
1.5VIN
CPUSB
CPPE
STBY
SHDN
GND
AUXIN
Note A:PG=powergood
NoteB:CS=currentsense
NoteC:TPS2231MRGP-2doesnothaveapull-upresistor.
(Note A)
(NoteC)
(NoteB)
TPS2231
TPS2236
www.ti.com .................................................................................................................................................. SLVS536J –JULY 2004–REVISED SEPTEMBER 2009
FUNCTIONAL BLOCK DIAGRAM
Single ExpressCard Power Switch
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