Datasheet > TPS2458_16

TPS2458_16

更新时间： 2024-11-09 02:58:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
28页	967K
描述
12-V/3.3-V Hot Swap and ORing Controller with Load Current Monitor for AdvancedMC

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TPS2458_16 数据手册

TPS2458

www.ti.com ............................................................................................................................................................................................ SLUS916–FEBRUARY 2009

12-V/3.3-V Hot Swap and ORing Controller with Load Current Monitor for AdvancedMC™

FEATURES

DESCRIPTION

•

ATCA AdvancedMC™ Compliant

The TPS2458 AdvancedMC™ slot controller is fully

compliant with the AdvancedMC™ Standard and

provides the required accuracy to meet the demands

of an AdvancedMC™ (Advanced Mezzanine Card)

module.

•

Full Power Control for an AdvancedMC™

Module

Programmable 12-V Current Limit and Fast

Trip

The TPS2458 is an extremely flexible solution that

protects both the power supply and the load by

limiting the maximum current into the load, shutting

off in case of a fault. If a severe fault occurs the

current shuts off immediately.

•

Optional 12-V ORing Control for MicroTCA™

Internal 3.3-V Current Limit

Programmable Shunt Gain

Interlock Requires 3.3-V Output Prior to 12 V

12-V and 3-V Power Good and Fault Outputs

Load Current Monitor

Optional ORing support is inherent in the architecture

and can be used in MicroTCA™, or other applications

requiring ORing support.

32-Pin PQFN Package

The 3.3-V management channel is internal and

requires only one external resistor for load monitoring

and one external capacitor to set fault time. To

comply with the AdvancedMC™ requirements, the

12-V output is disabled unless the 3.3-V Power Good

signal is asserted. Load current monitors are provided

for both the 12 V and 3.3 V channels. Status outputs

include Power Good and Fault indicators for each

channel. The TPS2458 is in a 32-pin PQFN package.

APPLICATIONS

•

ATCA Carrier Boards

MicroTCA™Power Modules

AdvancedMC™ Slots

Systems Using 12 V and 3.3 V

Base Stations

TYPICAL APPLICATION

0.005 W HAT2165 BSC057N03

12 V

422 W

AdvancedMC^TM

3.3 V

16 IN12 SENP SET

28 EN12

SENM PASS BLK OUT12

OUT3 18

PG12

FLT12

26 EN3

11 OREN

17 IN3

3.3 V

PG3 21

FLT3 20

TPS2458

23 VDD3

CT12

19 CT3

VINT

24 AGND

6810 W

3320 W

SUM12

SUM3 22

GND GND

GND GND GND GND GND

10 25 27 29 31

Optional ORing components for redundant systems

UDG-09030

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.

AdvancedMC, MicroTCA are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...28

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与TPS2458_16相关器件

型号	品牌	获取价格	描述	数据表
TPS2458RHB	TI	获取价格	12-V/3.3-V Hot Swap and ORing Controller with
TPS2458RHBR	TI	获取价格	暂无描述
TPS2458RHBT	TI	获取价格	12-V/3.3-V Hot Swap and ORing Controller with Load Current Monitor for AdvancedMC
TPS2459	TI	获取价格	12-V/3.3-V Hot Swap and ORing Controller with
TPS2459RHB	TI	获取价格	12-V/3.3-V Hot Swap and ORing Controller with
TPS2459RHBR	TI	获取价格	具有 ORing 和 I2C 的 3V 至 15V 热插拔控制器 \| RHB \| 32 \|
TPS2459RHBT	TI	获取价格	3-V to 15-V hot swap controller with Oring and I<sup>2</sup>C 32-VQFN -40 to 8
TPS24700	TI	获取价格	2.5-V to 18-V High-Efficiency Hot-Swap Controller
TPS24700DGK	TI	获取价格	2.5-V to 18-V High-Efficiency Hot-Swap Controller
TPS24700DGKR	TI	获取价格	2.5-V to 18-V High-Efficiency Hot-Swap Controller

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