TPS2419DR

更新时间： 2024-11-10 05:52:23

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
21页	493K
描述
N+1 and ORing Power Rail Controller with Enable

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TPS2419DR 数据手册

TPS2419

www.ti.com

SLVS998A –FEBRUARY 2010–REVISED MARCH 2010

N+1 and ORing Power Rail Controller with Enable

Check for Samples: TPS2419

FEATURES

•

Control External FET for N+1 and ORing

DESCRIPTION

Controls Buses From 3 V to 16.5 V

External Enable

The TPS2419 controller, in conjunction with an

external N-channel MOSFET, provides the reverse

current protection of an ORing diode with the

efficiency of a MOSFET. The TPS2419 can be used

to combine multiple power supplies to a common bus

in an N+1 configuration, or to combine redundant

input power buses.

N-Channel MOSFETControl

Rapid Device Turnoff Protects Bus Integrity

Programmable Turn-Off Threshold

Soft Turn on Reduces Bus Transients

Industrial Temperature Range: –40°C to 85°C

8-Pin TSSOP and SOIC Packages

Applications for the TPS2419 include a wide range of

systems including servers and telecom. These

applications often have either N+1 redundant power

supplies, redundant power buses, or both. Redundant

power sources must have the equivalent of a diode

OR to prevent reverse current during faults and

hotplug.

APPLICATIONS

•

N+1 Power Supplies

Server Blades

Telecom Systems

High Availability Power Modules

Accurate voltage sensing and

turn-off threshold allows operation to be tailored for a

wide range of implementations and bus

a programmable

characteristics. The TPS2419 brings out an enable

pin which allows the system to force the MOSFET off

under light-load, high noise conditions.

Table 1. Family Features

'2410

'2411

'2412

'2413

'2419

Enable input

√

Linear gate control

√

ON/OFF gate

control

√

Enable

Turnoff

√

comparator

filtering

Voltage monitoring

√

MOSFET fault

monitoring

Status pin

√

Independent

Supply Pin

√

Figure 1. Typical Application

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.

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...21

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与TPS2419DR相关器件

型号	品牌	获取价格	描述	数据表
TPS2419PW	TI	获取价格	N+1 and ORing Power Rail Controller with Enable
TPS2419PWR	TI	获取价格	N+1 and ORing Power Rail Controller with Enable
TPS2420	TI	获取价格	3-V to 20-V INTEGRATED FET HOT SWAP CONTROLLER
TPS2420RSA	TI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16, 4 X 4 MM, PLASTIC, QFN-16
TPS2420RSAR	TI	获取价格	3V 至 20V、30mΩ、1A 至 5A 电子保险丝 \| RSA \| 16 \| -40
TPS2420RSAT	TI	获取价格	3-V-20-V, 30mΩ, 1-5A eFuse 16-QFN -40 to 125
TPS2421-1	TI	获取价格	3-V to 20-V Integrated FET Hot Swap
TPS2421-1DDA	TI	获取价格	3-V to 20-V Integrated FET Hot Swap
TPS2421-1DDAR	TI	获取价格	3-V-20-V, 33mΩ, 1.8-5.5A eFuse 8-SO PowerPAD -40 to 125
TPS2421-2	TI	获取价格	3-V to 20-V Integrated FET Hot Swap

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