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-2
TPS2231MRGPR-2

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr Interface Sw

Data Sheet

Negotiable 
TPS2231MRGPRG4
TPS2231MRGPRG4

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
TPS2231MRGPT-3
TPS2231MRGPT-3

Texas Instruments

Hot Swap & Power Distribution ExpressCard Sgl Pwr

Data Sheet

0-1: $2.03
1-25: $1.66
25-100: $1.50
100-250: $1.38
TPS2231PWP
TPS2231PWP

Texas Instruments

Hot Swap & Power Distribution Single Pwr Interface

Data Sheet

0-1: $1.80
1-25: $1.64
25-100: $1.32
100-250: $1.15
TPS2231PWRG4
TPS2231PWRG4

Texas Instruments

Hot Swap & Power Distribution Single Pwr Interface

Data Sheet

0-1550: $0.71
1550-2000: $0.70
2000-5000: $0.69
5000-10000: $0.68
TPS2231RGPR
TPS2231RGPR

Texas Instruments

Hot Swap & Power Distribution Single Pwr Interface

Data Sheet

0-2320: $0.71
2320-3000: $0.70
3000-6000: $0.69
TPS2231RGPRG4
TPS2231RGPRG4

Texas Instruments

Hot Swap & Power Distribution Single Pwr Interface

Data Sheet

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