TPS2456ARHHT

更新时间： 2024-09-19 11:58:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
32页	1222K
描述
Dual 12 V Protection and Blocking Controller

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TPS2456ARHHT 数据手册

TPS2456A

www.ti.com

SLVSBI8 –JULY 2012

Dual 12 V Protection and Blocking Controller

Check for Samples: TPS2456A

FEATURES

DESCRIPTION

The TPS2456A is a dual, 12 V, channel protection

(hotswap) and blocking (ORing) controller that

provides inrush control, current limiting, overload

protection, and reverse current blocking. The current

sense topology provides both accurate current limits

and independent setting of current limit and fast trip

thresholds.

•

TPS2456A Improves Supply Slew-rate

Immunity

•

Dual 12 V Protection and Blocking Control

Independent Current Limit and Fast Trip

Blocking Permits ORing of Multiple Inputs

Power Good and Fault Outputs

Analog Current Monitor Outputs

-40°C to 125°C Operating T_J

The ORing control uses an external MOSFET to

block reverse current when an input is shorted.

Systems with closely matched supply voltages and

feed networks can supply current from both supplies

simultaneously.

QFN36 Package

APPLICATIONS

The MONx output provides an accurate analog

indication of load current.

•

ATCA Carrier Boards

AdvancedMC™ Slots

Blade Servers

The protection circuits may be used without blocking,

and the blocking may be used without protection.

Internal connections prevent implementation of these

as four fully-independent functions.

Base Stations

Configurable for

The TPS2456 and TPS2456A have identical

Electrical Characteristics tables. The TPS2456A has

reduced sensitivity to input supply slew rate

variations. It is recommended for all new applications.

–

1 Source, 2 Loads

2 Sources, 1 Load

2 Sources, 2 Loads

Figure 1. Two Sources, One Load Application Diagram

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 is a trademark of PICMG.

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...32

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