Datasheet > TPS2068-Q1

TPS2068-Q1

更新时间： 2024-09-20 11:58:27

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
24页	762K
描述
CURRENT-LIMITED POWER-DISTRIBUTION SWITCH

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TPS2068-Q1 数据手册

TPS2068-Q1

www.ti.com ................................................................................................................................................................................................ SLVS999 –AUGUST 2009

CURRENT-LIMITED POWER-DISTRIBUTION SWITCH

Check for Samples: TPS2068-Q1

FEATURES

APPLICATIONS

•

Heavy Capacitive Loads

•

Qualified for Automotive Applications

•

Short-Circuit Protections

•

70-mΩ High-Side MOSFET

1.5-A Continuous Current

DGN PACKAGE

(TOP VIEW)

Thermal and Short-Circuit Protection

Accurate Current Limit (1.6 A Min, 2.6 A Max)

Operating Range: 2.7 V to 5.5 V

0.6-ms Typical Rise Time

GND

OUT

Undervoltage Lockout

Deglitched Fault Report (OC)

No OC Glitch During Power Up

1-μA Maximum Standby Supply Current

Reverse Current Blocking

UL Listed – File No. E169910

CB Certified

DESCRIPTION

The TPS2068 power-distribution switches are intended for applications where heavy capacitive loads and

short-circuits are likely to be encountered. This device incorporates 70-mΩ N-channel MOSFET power switches

for power-distribution systems that require single or dual power switches in a single package. Each switch is

controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the

power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no

external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current

to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) logic output low. When

continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction

temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal

shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains

off until valid input voltage is present. Current limit is typically 2.1 A.

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.

PowerPad is a trademark 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...24

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与TPS2068-Q1相关器件

型号	品牌	获取价格	描述	数据表
TPS2069	TI	获取价格	CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
TPS2069C	TI	获取价格	Current-Limited, Power-Distribution Switches
TPS2069C-2	TI	获取价格	高电平有效且具有反向阻断功能的 1.5A 负载、4.5-5.5V、69mΩ USB 电源开
TPS2069CDBVR	TI	获取价格	Current-Limited, Power-Distribution Switches
TPS2069CDBVT	TI	获取价格	暂无描述
TPS2069CDGN	TI	获取价格	Current-Limited, Power-Distribution Switches Deglitched Fault Reporting
TPS2069CDGN-2	TI	获取价格	高电平有效且具有反向阻断功能的 1.5A 负载、4.5-5.5V、69mΩ USB 电源开
TPS2069CDGNR	TI	获取价格	Current-Limited, Power-Distribution Switches Deglitched Fault Reporting
TPS2069CDGNR-2	TI	获取价格	Current-Limited, Power-Distribution Switches
TPS2069D	TI	获取价格	高电平有效且具有输出放电和反向阻断功能的 1.5A 负载、4.5-5.5V、76mΩ US

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