TPS2493

更新时间： 2024-09-19 08:39:27

品牌	Logo	应用领域
德州仪器 - TI		监视器控制器
页数	文件大小	规格书
33页	1061K
描述
Positive High-Voltage Power-Limiting Hotswap Controller With Analog Current Monitor Output

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替代型号

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TPS2493 数据手册

TPS2492

TPS2493

www.ti.com

SLUSA65A –JULY 2010–REVISED AUGUST 2010

Positive High-Voltage Power-Limiting Hotswap Controller

With Analog Current Monitor Output

Check for Samples: TPS2492 , TPS2493

FEATURES

DESCRIPTION

•

9-V to 80-V Operation

High-Side Drive for External N-FET

Programmable FET Power Limit

Programmable Load Current Limit

Programmable Fault Timer

The TPS2492 and TPS2493 are easy-to-use, positive

high voltage, 14-pin Hotswap Controllers that safely

drive an external N-channel FET to control load

current. The programmable power foldback protection

ensures that the external FET operates inside its safe

operating area (SOA) during overload conditions by

controlling of power dissipation. The programmable

current limit and fault timer ensure the supply,

external FET, and load are not harmed by

overcurrent. Features include inrush current limiting,

controlled load turn-on, interfacing to down-stream

DC-to-DC converters, and power feed protection.

Load Current Monitor Output

Power Good and Fault Outputs

Enable/UV, OV Inputs

Latch or Auto Restart After Fault

EVM Available SLUU425

Calculation Tool Available SLVC033

The analog current monitor output provides a signal

ready for sampling with an external A/D converter.

APPLICATIONS

Additional features include programmable overvoltage

and undervoltage shutdown, power-good for

coordinating loads with inrush, and a fault indicator to

indicate an over-current shutdown.

•

Server Backplanes

Storage Area Networks (SAN)

Medical Systems

Plug-in Modules

Base Stations

Typical Application Circuit

R_SENSE

DRAIN-TO-SOURCE CURRENT

0.01 W

V_IN

V_OUT

DRAIN-TO-SOURCE VOLTAGE

V_LOGIC

R_GATE

1000

10 W

Operation in the gray area is limited by R_DS(on)

470 kW

VCC SENSE GATE OUT

FLT

100

UVEN

TPS2492/93

IMON

OV PROG

VREF GND TIMER

100 ms

41.2 kW

P_LIM= 34 W

I_LIM= 5 A

C_T

0.068 mF

1 ms

Timeout = 10 ms

8.25 kW

10 ms

Programmed SOA 10 ms

0.1

100

1000

V_DS- Drain-to-Source Voltage - V

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...33

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TPS2493 替代型号

型号	品牌	替代类型	描述	数据表
LM5069	TI	功能相似	LM5069 Positive High Voltage Hot Swap / Inrush Current Controller with Power Limiting
TPS2490	TI	功能相似	POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER

与TPS2493相关器件

型号	品牌	获取价格	描述	数据表
TPS2493PW	TI	获取价格	Positive High-Voltage Power-Limiting Hotswap Controller With Analog Current Monitor Output
TPS2493PWR	TI	获取价格	Positive High-Voltage Power-Limiting Hotswap Controller With Analog Current Monitor Output
TPS-25	COOPER	获取价格	Telpower Fuses 1 to 70 Amps, 170 Volts DC
TPS2500	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2500DRCR	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2500DRCT	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2501	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2501DRCR	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2501DRCT	TI	获取价格	INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
TPS2505	TI	获取价格	INTEGRATED DUAL USB SWITCHES, BOOST CONVERTER AND LDO

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