DRV8837EVM

更新时间： 2024-09-18 12:28:11

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德州仪器 - TI		/
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描述
LOW-VOLTAGE H-BRIDGE IC

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DRV8837EVM 数据手册

DRV8837

www.ti.com

SLVSBA4A –JUNE 2012–REVISED AUGUST 2012

LOW-VOLTAGE H-BRIDGE IC

Check for Samples: DRV8837

FEATURES

DESCRIPTION

The DRV8837 provides an integrated motor-driver

solution for cameras, consumer products, toys, and

other low-voltage or battery-powered motion-control

applications. The device has one H-bridge driver, and

can drive one dc motor or one winding of a stepper

motor, as well as other devices like solenoids. The

output driver block consists of N-channel power

MOSFETs configured as an H-bridge to drive the

motor winding. An internal charge pump generates

needed gate-drive voltages.

•

H-Bridge Motor Driver

–

Drives a DC Motor or One Winding of a

Stepper Motor or Other Loads

–

Low MOSFET On-Resistance: HS + LS

280 mΩ

•

1.8-A Maximum Drive Current

1.8-V to 11-V Motor-Operating Supply-Voltage

Range

•

Separate Motor and Logic Supply Pins

PWM (IN/IN) Interface

The DRV8837 can supply up to 1.8 A of output

current. It operates on a motor power-supply voltage

from 1.8 V to 11 V, and a device power-supply

voltage of 1.8 V to 7 V.

Low-Power Sleep Mode With 120-nA Maximum

Combined Supply Current

•

Dedicated SLEEP Pin

The DRV8837 has a PWM (IN/IN) input interface,

which is compatible with industry-standard devices.

2-mm × 2-mm 8-Pin WSON Package

There are internal shutdown functions for overcurrent

protection, short-circuit protection, undervoltage

lockout and overtemperature.

APPLICATIONS

•

Cameras

The DRV8837 package is an 8-pin 2-mm × 2-mm

WSON PowerPAD™ package.

DSLR Lenses

Consumer Products

Toys

Robotics

Medical Devices

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...14

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