Specification	TPS2231PW

Current - Output (Max) [Max]	1.3 A
Fault Protection	Over Temperature, Current Limiting (Fixed)
Features	Power Good, Status Flag
Mounting Type	Surface Mount
Number of Outputs	3
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	High Side
Package / Case	20-TSSOP
Package / Case [x]	0.173 in
Package / Case [y]	4.4 mm
Ratio - Input:Output [custom]	1:1
Rds On (Typ)	45 mOhm
Supplier Device Package	20-TSSOP
Switch Type	ExpressCard™ Switch
Voltage - Load	1.5 V
Voltage - Load	3.3 V
Voltage - Supply (Vcc/Vdd)	False

TPS2231 Series

Part	Switch Type	Current - Output (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Rds On (Typ)	Features	Fault Protection	Voltage - Load	Voltage - Load	Number of Outputs	Output Configuration	Package / Case	Package / Case	Supplier Device Package	Ratio - Input:Output [custom]	Mounting Type	Package / Case [y]	Package / Case [x]
Texas Instruments TPS2231PWP	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side	0.173 in 4.4 mm	24-PowerTSSOP	24-HTSSOP	3:3	Surface Mount
Texas Instruments TPS2231MRGPT-1	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231MRGPR-2	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231RGPTG4	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231RGPT	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231MRGPR-3	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231MRGPR	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231RGPR	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-VFQFN Exposed Pad	20-QFN (4x4)	1:1	Surface Mount
Texas Instruments TPS2231PW	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-TSSOP	20-TSSOP	1:1	Surface Mount	4.4 mm	0.173 in
Texas Instruments TPS2231PWRG4	ExpressCard™ Switch	1.3 A	85 °C	-40 °C	45 mOhm	Power Good Status Flag	Current Limiting (Fixed) Over Temperature	1.5 V	3.3 V	3	High Side		20-TSSOP	20-TSSOP	1:1	Surface Mount	4.4 mm	0.173 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 2.51
		10	$ 2.26
		70	$ 2.13
		140	$ 1.85
		280	$ 1.75
		560	$ 1.67
Texas Instruments	TUBE	1	$ 3.10
		100	$ 2.72
		250	$ 1.91
		1000	$ 1.54

Description

General part information

TPS2231 Series

The TPS2231 and TPS2236 ExpressCard power interface switches provide the total power management solution required by the ExpressCard specification. The TPS2231 and TPS2236 ExpressCard power interface switches distribute 3.3 V, AUX, and 1.5 V to the ExpressCard socket. Each voltage rail is protected with integrated current-limiting circuitry.

The TPS2231 supports systems with single-slot ExpressCard|34 or ExpressCard|54 sockets. The TPS2236 supports systems with dual-slot ExpressCard sockets.

End equipment for the TPS2231 and TPS2236 include notebook computers, desktop computers, personal digital assistants (PDAs), and digital cameras.