1

FEATURES

DESCRIPTION

APPLICATIONS

TYPICAL APPLICATION DIAGRAM

R

SENSE

SENMA

PASSA

OUT3A

OUT12A

SETA

BLKA

SENPA

TPS2358

48PINQFN

OUT3B

3v3in

R

SENSE

R

SET

R

SET

IN12B

COMMON

CIRCUITRY

3v3in

12Vin

IN12A

COMMON

CIRCUITRY

SENMB

PASSB

OUT12B

SETB

BLKB

SENPB

R

SUM3A

R

SUM12A

R

SUM3B

R

SUM12B

AdvancedMC™

12V

3.3V

12Vin

AdvancedMC™

12V

3.3V

OptionalORingFETsfor

RedundantSystemsOnly

TPS2358

TPS2358 Dual-Slot ATCA AdvancedMC™ Controller

2

• ATCA AdvancedMC™ Compliant

• Full Power Control for Two

The TPS2358 dual-slot hot-plug controller provides all

required

power

interface

functions

for

two

AdvancedMC™Modules

AdvancedMC™

(Advanced

Mezzanine

Card)

• Independent 12-V Current Limit and Fast Trip

modules.

• 12-V FET ORing for MicroTCA™

Two fully integrated 3.3-V channels provide inrush

• Internal 3.3-V Current Limit

control, current limiting, and overload protection. The

• Power Good and Fault Outputs

two 12-V channels use an external FET to provide

the same functions, along with ORing control circuits

• 48-Pin PQFN Package

that allow an external FET to prevent reverse current

flow. The 3.3-V current limits are factory set to

AdvancedMC™ compliant levels and the 12-V current

• ATCA Carrier Boards

limits are programmed using external sense resistors.

• MicroTCA™ Power Modules

The accurate current sense comparators of the

• AdvancedMC™ Slots

TPS2358 satisfy the narrow ATCA AdvancedMC™

current limit requirements.

• Systems Using 12 V and 3.3 V

• Base Stations

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

AdvancedMC, MicroTCA are trademarks of PICMG.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.