12-V, 15-W Power limit, single driver-based stepper, brushed DC and actuator drive reference design
TIDA-010004
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Key Document

Description

This reference design demonstrates a multi-load drive using one driver chip in multiple configurations enabling reduced inventory. The multiple loads include one bipolar stepper motor, one brushed DC motor, and three actuator or solenoid loads driven from a 12-V DC supply. The design shows less than two percent accuracy error in input current limit, that helps to achieve a precise power limit for helping easy qualification as a low-power circuit, defined by IEC 60335-1. This reference design incorporates enhanced protections like open load detect, noise tolerant short circuit, overcurrent, overvoltage, undervoltage, overtemperature, surge and ESD protection all which helps to achieve a reliable and robust system design.

Features
  • Operates from 4.5V to 16V, supporting multiple loads including bi-polar stepper motor (0.5-ARMS), brushed DC motor (1.2-ARMS), solenoids and actuators (0.2-ARMS)
  • Detailed fault diagnosis and multi-slave operation through I2C using a single MCU
  • Motor or load control through I2C line reduces the number of MCU pins required
  • Increased safety and reliability with precise power limit (<15 W) using eFuse
  • Open load detect, over current, short circuit, over temperature, surge and ESD protection

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8847  2A dual H-bridge motor driver  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5739  MSP430FR5739 24 MHz ULP microcontroller with 16 KB FRAM, 1 KB SRAM, 32 IO, 10-bit ADC & comparator  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-channel ESD in 0402 package with 10pF capacitance and 6V breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS25921L  18V, 1.6A, 90mΩ eFuse with Adjustable +/-2% Accurate Current Limit  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS2596  2.7 to 19 V, 0.125 to 2A, 89-mΩ eFuse with accurate current monitor and fast overvoltage protection  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TVS1400  14V flat-clamp surge protection device  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8847 Download Download
Download Download
Download Download
MSP430FR5739 Download -
Download Download
TPD1E10B06 Download Download
TPS25921L Download Download
TPS2596 Download
TVS1400 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 2492 10 May 2019
Design files (6)
Title Type Size (KB) Date
ZIP 272 10 May 2019
ZIP 2928 10 May 2019
PDF 1005 10 May 2019
PDF 177 10 May 2019
PDF 286 10 May 2019
PDF 834 10 May 2019
Related Tools & Software

Reference Designs  ( 1 )

Software (1)



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