Dual High Resolution Micro-stepping Driver Reference Design
TIDA-00641
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Key Document

Description

This reference design achieves a dual channel high resolution micro-stepping driver module using PWM current regulation method. Selectable micro-stepping level and current level is provided with the on-board switches. The PWM regulation scheme gives smooth phase current and ultra-low acoustic operation noise. Protections such as over current, over temperature, and short outputs are all provided along with the DRV8848 device.

Features
  • Smooth current and low acoustic noise
  • Up to 1/256 micro-stepping level
  • Selectable micro-stepping and current level
  • Easy STEP/DIR interface
  • Compact dual channel design
  • Full protections

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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430G2553  16 MHz MCU with 16KB FLASH, 512B SRAM, 10-bit ADC, Comparator, UART/SPI/I2C, Timer  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC2G14  Dual Schmitt-Trigger Inverter  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TLV803  3-pin voltage supervisor (reset IC) with active-low & open-drain reset  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430G2553 Download
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SN74LVC2G14 Download
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TLV803 Download Download

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 667 15 Dec 2015
Design files (6)
Title Type Size (KB) Date
ZIP 59 15 Dec 2015
ZIP 487 15 Dec 2015
PDF 204 15 Dec 2015
PDF 125 15 Dec 2015
PDF 119 15 Dec 2015
PDF 423 15 Dec 2015

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