Datasheet > TPS2066-Q1

TPS2066-Q1

更新时间： 2024-11-10 12:21:59

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	851K
描述
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCH

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TPS2066-Q1 数据手册

TPS2066-Q1

www.ti.com

SLVSB37 –SEPTEMBER 2011

CURRENT-LIMITED, POWER-DISTRIBUTION SWITCH

Check for Samples: TPS2066-Q1

FEATURES

•

Qualified for Automotive Applications

•

Built-in Soft-Start

UL Listed - File No. E169910

70-mΩ High-Side MOSFET

1-A Continuous Current

Thermal and Short-Circuit Protection

APPLICATIONS

Accurate Current Limit

(1.1 A min, 1.9 A max)

•

Heavy Capacitive Loads

Short-Circuit Protections

•

Operating Range: 2.7 V to 5.5 V

0.6-ms Typical Rise Time

DGN PACKAGE

(TOP VIEW)

Undervoltage Lockout

Deglitched Fault Report (OC)

No OC Glitch During Power Up

1-μA Maximum Standby Supply Current

Bidirectional Switch

All enable inputs are active high

Ambient Temperature Range: -40°C to 105°C

DESCRIPTION

The TPS2066-Q1 power-distribution switch is 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 multiple 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 (OCx) 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. This power-distribution switch is designed to set current limit at 1.5 A

typically.

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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