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DRV8825_16 PDF预览

DRV8825_16

更新时间: 2024-11-11 02:58:23
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德州仪器 - TI /
页数 文件大小 规格书
22页 633K
描述
Stepper Motor Controller IC

DRV8825_16 数据手册

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DRV8825  
www.ti.com  
SLVSA73C APRIL 2010REVISED MAY 2011  
STEPPER MOTOR CONTROLLER IC  
Check for Samples: DRV8825  
1
FEATURES  
APPLICATIONS  
2
PWM Microstepping Motor Driver  
Automatic Teller Machines  
Money Handling Machines  
Built-In Microstepping Indexer  
Five-Bit Winding Current Control Allows Up  
to 32 Current Levels  
Video Security Cameras  
Printers  
Low MOSFET On-Resistance  
Scanners  
2.5-A Maximum Drive Current at 24 V, 25°C  
Built-In 3.3-V Reference Output  
Office Automation Machines  
Gaming Machines  
Factory Automation  
Robotics  
8.2-V to 45-V Operating Supply Voltage Range  
Thermally Enhanced Surface Mount Package  
DESCRIPTION  
The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated  
equipment applications. The device has two H-bridge drivers, and can drive a bipolar stepper motor or two DC  
motors. The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to  
drive the motor windings. The DRV8825 can supply up to 2.5-A peak or 1.75-A RMS output current (with proper  
heatsinking at 24 V and 25°C).  
A simple step/direction interface allows easy interfacing to controller circuits. Pins allow configuration of the  
motor in full-step up to 1/32-step modes. Decay mode is programmable.  
Internal shutdown functions are provided for overcurrent protection, short circuit protection, undervoltage lockout  
and overtemperature.  
The DRV8825 is available in a 28-pin HTSSOP package with PowerPAD(Eco-friendly: RoHS & no Sb/Br).  
ORDERING INFORMATION(1)  
ORDERABLE PART  
NUMBER  
TOP-SIDE  
MARKING  
TA  
PACKAGE(2)  
40°C to 85°C  
PowerPAD(HTSSOP) - PWP  
Reel of 2000  
DRV8825PWPR  
8825  
(1) For the most current packaging 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 © 20102011, Texas Instruments Incorporated  

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