Product Summary

The TPS2231 is an ExpressCard power interface switch. It provides the total power management solution required by the ExpressCard specification. The TPS2231 ExpressCard power interface switch distributes 3.3 V, AUX, and 1.5 V to the ExpressCard socket. Each voltage rail is protected with integrated current-limiting circuitry. The applications of the TPS2231 are Notebook Computers, Desktop Computers, Personal Digital Assistants (PDAs), Digital Cameras and TV and Set Top Boxes.

Parametrics

TPS2231 absolute maximum ratings: (1)VI, Input voltage range for card power: – 0.3 to 6 V; (2)Logic input/output voltage: – 0.3 to 6 V; (3)VO, Output voltage rang: – 0.3 to 6 V; (4)IO, Output current: 10 mA; (5)PERST sink/source current: 10 mA; (6)TJ, Operating virtual junction temperature range: – 40 to 120℃; (7)Tstg, Storage temperature range: – 55 to 150℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃.

Features

TPS2231 features: (1)Meets the ExpressCard Standard (ExpressCard|34 or ExpressCard|54); (2)Compliant with the ExpressCard Compliance Checklists; (3)Fully Satisfies the ExpressCard Implementation Guidelines; (4)Supports Systems with WAKE Function; (5)TTL-Logic Compatible Inputs; (6)Short Circuit and Thermal Protection; (7)– 40 to 85℃ Ambient Operating Temperature Range; (8)Available in a 20-pin TSSOP, a 20-pin QFN, or 24-pin PowerPAD HTSSOP (Single); (9)Available in a 32-pin PowerPAD ? HTSSOP (Dual).

Diagrams

TPS2231 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TPS2231EVM
TPS2231EVM

Texas Instruments

Power Management IC Development Tools TPS2231 Eval Mod

Data Sheet

0-1: $33.48
TPS2231MRGPR
TPS2231MRGPR

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

0-2320: $0.71
2320-3000: $0.70
3000-6000: $0.69
TPS2231MRGPR-1
TPS2231MRGPR-1

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

0-2320: $0.71
2320-3000: $0.70
3000-6000: $0.69
TPS2231MRGPR-1G4
TPS2231MRGPR-1G4

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

0-2320: $0.71
2320-3000: $0.70
3000-6000: $0.69
TPS2231MRGPR-2
TPS2231MRGPR-2

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

Negotiable 
TPS2231MRGPR-3
TPS2231MRGPR-3

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr

Data Sheet

0-2230: $0.93
2230-3000: $0.90
3000-6000: $0.86
TPS2231MRGPT
TPS2231MRGPT

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

0-1: $1.63
1-25: $1.34
25-100: $1.21
100-250: $1.11
TPS2231MRGPT-1
TPS2231MRGPT-1

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

0-1: $1.63
1-25: $1.34
25-100: $1.21
100-250: $1.11