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2
Introduction to the BOOST-DRV8711
The BOOST-DRV8711 is a stepper motor BoosterPack based on the DRV8711 Stepper Motor Controller
and CSD88537ND Dual 60-V N-Channel NexFET™ Power MOSFETs. This BoosterPack provides a
complete stepper motor drive stage in order to evaluate your motor applications.
2.1
Features
•
Complete stepper motor drive stage in a small form factor (1.75 in × 2.00 in)
•
Supports 8.2–52 V and up to 4.5 A continuous for each H-Bridge
•
4x CSD88537ND Dual 60-V N-Channel NexFET Power MOSFETs (12.5 mΩ)
•
Motor stall and device fault LED indicators
•
Fully protected drive stage including overcurrent, overtemperature, undervoltage, and motor stall detect
•
Combine with TI LaunchPad kits to create a complete stepper motor drive and control platform
•
Optimized for the MSP-EXP430G2 LaunchPad with a user-friendly application to get your motor
spinning in minutes
2.2
Pinout
The BOOST-DRV8711 brings out a mixture of power, control, and feedback signals to the LaunchPad
headers.
•
Powered by an external power supply (8.2–52 V) that can be connected to the terminal block header
(J6)
•
4-pin terminal block header (J5) for connecting a bipolar stepper motor
•
Fault and motor status reporting through the nFAULT and nSTALL signals
•
SPI interface to set device configuration, operating parameters, and read out diagnostic information
•
Built-in microstepping indexer through a STEP/DIR interface or H-Bridge control through an IN/IN
interface
•
Onboard potentiometer for creating your own, easy-to-use, demo application
SLVU967 – May 2014
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Figure 3. BOOST-DRV8711 Pinout
Copyright © 2014, Texas Instruments Incorporated
Introduction to the BOOST-DRV8711
BOOST-DRV8711
3
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