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DRV8824 Datasheet(PDF) 9 Page - Texas Instruments |
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DRV8824 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 35 page DRV8824 www.ti.com SLVSA06J – OCTOBER 2009 – REVISED JULY 2014 8 Detailed Description 8.1 Overview The DRV8824 is an integrated motor driver solution for bipolar stepper motors. The device integrates two NMOS H-bridges, current sense, regulation circuitry, and a microstepping indexer. The DRV8824 can be powered with a supply voltage between 8.2 to 45 V and is capable of providing an output current up to 1.6 A full-scale. A simple STEP/DIR interface allows for easy interfacing to the controller circuit. The internal indexer is able to execute high-accuracy microstepping without requiring the processor to control the current level. The current regulation is highly configurable, with three decay modes of operation. Fast, slow, and mixed decay can be selected depending on the application requirements. A low-power sleep mode is included which allows the system to save power when not driving the motor. Copyright © 2009–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: DRV8824 |
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