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TIDA-00146

Automotive Adaptive Front Light Positioning Stepper Motor

Design files

TIDA-00146

Design files

Overview

This TIDA-00146 reference design provides an integrated motor driver solution intended to drive a bipolar stepper motor in an automotive adaptive front light positioning application. This design features off battery capabilities with 45V maximum operating supply voltage. Along with, internal shutdown functions provided for overcurrent protection, short circuit protection, undervoltage lockout and overtemperature. This design incorporates the DRV8824EVM board to create the solution.

Features
  •  Wide Vin (42V Load dump capable)
  •  1/32 Microstepping built in indexer (smooth quiet motion)
  •  DRV8824 On-chip protection enables higher system reliability
  •  VM sleep mode minimizes power consumption (battery drain)
  •  Step / Direction control interface (2x GPIO pins)
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Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-00146
TIDU316.PDF (271 KB)

Reference design overview and verified performance test data

download Test report — TIDA-00146
TIDU315.PDF (1217 KB)

Test results for the reference design, including efficiency graphs, test prerequisites and more

download Bill of materials (BOM) — TIDA-00146
TIDR565.PDF (128 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Gerber file — TIDA-00146
TIDC395.ZIP (226 KB)

Design file that contains information on physical board layer of design PCB

download Schematic — TIDA-00146
TIDR564.PDF (83 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00146
TIDC397.ZIP (428 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00146
TIDR563.PDF (441 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Stepper motor drivers

DRV8824 — 45-V, 1.6-A bipolar stepper motor driver with current regulation and 1/32 microstepping  

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS777 — 750-mA, 10-V, low-dropout voltage regulator with enable & RESET with delay

Data sheet: PDF
MSP430 microcontrollers

MSP430F1612 — 8 MHz MCU with 55KB Flash, 5KB SRAM, 12-bit ADC, Dual 12-bit DAC, comparator, DMA, I2C/SPI/UART

Data sheet: PDF

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Hardware

Evaluation board

DRV8824EVM — DRV8824 Evaluation Module

The DRV8824EVM is a stepper motor controller evaluation module that includes device, cabling and software to ease the evaluation of the device when driving a customer's motor.

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00146 — Automotive Adaptive Front Light Positioning Stepper Motor
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DRV8824EVM — DRV8824 Evaluation Module

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TIDA-00146 — Automotive Adaptive Front Light Positioning Stepper Motor
TI’s Standard Terms and Conditions for Evaluation Items apply.

Software

Firmware

TIDC396 — TIDA-00146 Firmware

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00146 — Automotive Adaptive Front Light Positioning Stepper Motor
Download options

TIDC396 — TIDA-00146 Firmware

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Version: 01.00.00.00
Release date: Apr 28, 2014
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TIDA-00146 Firmware (zip)  — 29 K

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Reference design
TIDA-00146 — Automotive Adaptive Front Light Positioning Stepper Motor

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc396 or www.ti.com/lit/xx/tidc396/tidc396.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC396. Please update any bookmarks accordingly.

Technical documentation

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Type Title Date
* Design guide TIDA-00146 Overview Apr 29, 2014
* Test report TIDA-00146 Test Results Apr 29, 2014

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