Datasheet > DRV8821_10

DRV8821_10

更新时间： 2024-09-18 06:54:35

品牌	Logo	应用领域
德州仪器 - TI		驱动器电动机控制电机控制器
页数	文件大小	规格书
16页	329K
描述
DUAL STEPPER MOTOR CONTROLLER/DRIVER

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DRV8821_10 数据手册

DRV8821

www.ti.com

SLVS912C –JANUARY 2009–REVISED JANUARY 2010

DUAL STEPPER MOTOR CONTROLLER/DRIVER

Check for Samples: DRV8821

FEATURES

•

Simple Step/Direction Interface

•

Dual PWM microstepping motor driver

Fully Protected Against Undervoltage,

Overtemperature, and Overcurrent

–

Built-In Microstepping Indexers

Up to 1.5-A Current Per Winding

•

Thermally Enhanced Surface Mount Package

Three-Bit Winding Current Control Allows

up to Eight Current Levels

APPLICATIONS

•

Printers

Scanners

Office Automation Machines

Gaming Machines

Factory Automation

Robotics

–

Low MOSFET On-Resistance

Selectable Slow or Mixed Decay Modes

•

8-V to 32-V Operating Supply Voltage Range

Internal Charge Pump for Gate Drive

Built-in 3.3-V Reference

DESCRIPTION/ORDERING INFORMATION

The DRV8821 provides a dual microstepping-capable stepper motor controller/driver solution for printers,

scanners, and other office automation equipment applications.

Two independent stepper motor driver circuits include four H-bridge drivers and microstepping-capable indexer

logic. Each of the motor driver blocks employ N-channel power MOSFETs configured as an H-bridge to drive the

motor windings.

A simple step/direction interface allows easy interfacing to controller circuits. Pins allow configuration of the

motor in full-step, half-step, quarter-step, or eighth step modes, and the selection of slow or mixed decay modes.

Internal shutdown functions are provided for over current protection, short circuit protection, under voltage

lockout and overtemperature.

The DRV8821 is packaged in a 48-pin HTSSOP package (Eco-friendly : RoHS & no Sb/Br).

ORDERING INFORMATION⁽¹⁾

T_A

PACKAGE⁽²⁾

ORDERABLE PART NUMBER

TOP-SIDE MARKING

Reel of 2000

Tube of 40

DRV8821DCAR

–40°C to 85°C

PowerPad™ (HTSSOP) - DCA

DRV8821

DRV8821DCA

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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, PowerPAD are trademarks 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...16

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与DRV8821_10相关器件

型号	品牌	获取价格	描述	数据表
DRV8821_1001	TI	获取价格	DUAL STEPPER MOTOR CONTROLLER/DRIVER
DRV8821_1007	TI	获取价格	DUAL STEPPER MOTOR CONTROLLER/DRIVER
DRV8821_16	TI	获取价格	Dual Stepper Motor Controller and Driver
DRV8821DCA	TI	获取价格	DUAL STEPPER MOTOR CONTROLLER/DRIVER
DRV8821DCAR	TI	获取价格	DUAL STEPPER MOTOR CONTROLLER/DRIVER
DRV8823	TI	获取价格	4-BRIDGE SERIAL INTERFACE MOTOR DRIVER
DRV8823_16	TI	获取价格	4-Bridge Serial Interface Motor Driver
DRV8823DCA	TI	获取价格	4-BRIDGE SERIAL INTERFACE MOTOR DRIVER
DRV8823DCAR	TI	获取价格	4-BRIDGE SERIAL INTERFACE MOTOR DRIVER
DRV8823-Q1	TI	获取价格	4-BRIDGE SERIAL INTERFACE MOTOR DRIVER

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