Datasheet > DRV8850

DRV8850

更新时间： 2024-09-18 12:56:15

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
22页	973K
描述
Low-Voltage H-Bridge IC With LDO Voltage Regulator

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DRV8850 数据手册

DRV8850

www.ti.com

SLVSCC0A –NOVEMBER 2013–REVISED JANUARY 2014

Low-Voltage H-Bridge IC With LDO Voltage Regulator

FEATURES

DESCRIPTION

The DRV8850 device provides a motor driver plus

LDO voltage regulator solution for consumer

products, toys, and other low-voltage or battery-

powered motion-control applications. The device has

one H-bridge driver to drive a DC motor, a voice-coil

actuator, one winding of a stepper motor, a solenoid,

or other devices. The output driver block consists of

N-channel power MOSFETs configured as an H-

bridge to drive the load. An internal charge pump

generates the needed gate-drive voltages.

•

H-Bridge Motor Driver

–

Drives a DC Motor, One Winding of a

Stepper Motor, or Other Loads

–

Low MOSFET On-Resistance: 45 mΩ per

FET

•

5-A Continuous 8-A Peak-Drive Current

Internal Current Sensing With Current Sense

Output

•

2 to 5.5-V Operating Supply Voltage Range

Overvoltage and Undervoltage Lockout

Low-Power Sleep Mode

The DRV8850 device supplies up to

5 A of

continuous output current (with proper PCB heat

sinking) and up to 8-A peak current. It operates on a

supply voltage from 2.0 to 5.5 V.

100-mA Isolated Low-Dropout (LDO) Voltage

Regulator

A low-dropout linear voltage regulator is integrated

with the motor driver to supply power to

microcontrollers or other circuits. The LDO voltage

regulator can be active in device sleep mode, so that

the driver may be shut down without removing power

to any devices powered by the LDO voltage

regulator.

•

24-Pin QFN Package

24-Pin HTSSOP Package

APPLICATIONS

•

Battery-Operated Applications With High

Startup Torque, such as:

Internal shutdown functions provide overcurrent,

short-circuit,

undervoltage,

overvoltage,

and

–

Personal Hygiene (Electric Toothbrushes,

Shavers)

overtemperature protection. In addition, the device

also has a built-in current sensing for accurate

current measurement.

–

Toys

RC Helicopters and Cars

Robotics

The DRV8850 device is packaged in a 24-pin

HTSSOP (7.7 mm × 4.4 mm) or QFN (3.5-mm × 5.5-

mm) package with PowerPAD™ (Eco-friendly: RoHS

and no Sb/Br).

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...22

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与DRV8850相关器件

型号	品牌	获取价格	描述	数据表
DRV8850_16	TI	获取价格	Low-Voltage H-Bridge IC with LDO Voltage Regulator
DRV8850RGYR	TI	获取价格	Low-Voltage H-Bridge IC With LDO Voltage Regulator
DRV8850RGYT	TI	获取价格	Low-Voltage H-Bridge IC With LDO Voltage Regulator
DRV8860	TI	获取价格	8 Channel Serial Interface Low-Side Driver
DRV8860APW	TI	获取价格	具有串行控制的 38V、0.3A、8 路低侧电机驱动器 \| PW \| 16 \| -40 t
DRV8860APWR	TI	获取价格	具有串行控制的 38V、0.3A、8 路低侧电机驱动器 \| PW \| 16 \| -40 t
DRV8860PW	TI	获取价格	8 Channel Serial Interface Low-Side Driver
DRV8860PWPR	TI	获取价格	具有串行控制的 38V、0.3A、8 路低侧电机驱动器 \| PWP \| 16 \| -40
DRV8860PWR	TI	获取价格	8 Channel Serial Interface Low-Side Driver
DRV8870	TI	获取价格	具有电流调节功能的 50V、3.6A、H 桥电机驱动器

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