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DRV8711

更新时间： 2024-09-19 12:52:47
品牌 Logo 应用领域
德州仪器 - TI 电动机控制电机控制器
页数 文件大小 规格书
34页 1132K
描述
STEPPER MOTOR CONTROLLER IC

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DRV8711 数据手册

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Sample &  
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Community  
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DRV8711  
www.ti.com  
SLVSC40 –JUNE 2013  
STEPPER MOTOR CONTROLLER IC  
1
FEATURES  
2
•
Pulse Width Modulation (PWM) Microstepping  
Motor Driver  
•
Protection and Diagnostic Features  
–
–
–
–
–
Overcurrent Protection (OCP)  
–
–
–
–
Built-In 1/256-Step Microstepping Indexer  
Drives External N-Channel MOSFETs  
Optional STEP/DIR Pins  
Overtemperature Shutdown (OTS)  
Undervoltage Lockout (UVLO)  
Individual Fault Condition Indication Bits  
Fault Condition Indication Pin  
Optional PWM Control Interface for DC  
Motors  
•
Flexible Decay Modes, Including Automatic  
Mixed Decay Mode  
APPLICATIONS  
•
•
•
•
Office Automation Machines  
Factory Automation  
Textile Machines  
•
•
•
•
•
•
•
Stall Detection With Optional BEMF Output  
Highly cConfigurable Va SPI Serial Interface  
Internal Reference and Torque DAC  
8-V to 52-V Operating Supply Voltage Range  
Scalable Output Current  
Robotics  
Thermally Enhanced Surface Mount Package  
5-V Regulator Capable of 10-mA Load  
DESCRIPTION  
The DRV8711 is a stepper motor controller that uses external N-channel MOSFETs to drive a bipolar stepper  
motor or two brushed DC motors. A microstepping indexer is integrated, which is capable of step modes from full  
step to 1/256-step.  
An ultra-smooth motion profile can be achieved using adaptive blanking time and various current decay modes,  
including an auto-mixed decay mode. Motor stall is reported with an optional back-EMF output.  
A simple step/direction or PWM interface allows easy interfacing to controller circuits. A SPI serial interface is  
used to program the device operation. Output current (torque), step mode, decay mode, and stall detection  
functions are all programmable via a SPI serial interface.  
Internal shutdown functions are provided for over current protection, short circuit protection, under voltage  
lockout and overtemperature. Fault conditions are indicated via a FAULTn pin, and each fault condition is  
reported via a dedicated bit through SPI.  
The DRV8811 is packaged in a PowerPAD™ 38-pin HTSSOP package with thermal pad (Eco-friendly: RoHS  
and no Sb/Br).  
ORDERING INFORMATION(1)  
TA  
PACKAGE(2)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
Reel of 2000  
Tube of 40  
DRV8711DCPR  
–40°C to 85°C PowerPAD™ (HTSSOP) – PWP  
DRV8711  
DRV8711DCP  
(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.  
1
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.  
2
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.  
Copyright © 2013, Texas Instruments Incorporated  
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