Smart Holding Brake Controller Reference Design with Current Regulation for Servo Drives & Robotics

(ACTIVE) TIDA-01621

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Key Document

Description

This reference design implements safe brake control functionality in servo drives as per IEC EN 61800-5-2 by providing two channel output signals to control an external holding brake. The holding brake will be latched when the power supply is cut off and released when voltage is applied to the coil. This is accomplished by enabling/disabling the smart electronic load switches that supply power to the coil. This reference design also includes diagnostic features for detecting various faults, ensuring safe operation. TIDA-01600 uses the C2000TM LaunchpadTM development kit to generate the brake control signals and to perform the diagnostics functionality.

Features
  • Compact, smart, holding-brake controller solution
  • Can control 24V rated holding brake with current up to 2A
  • Dual-switch control provides redundancy to open brake-coil circuit
  • Galvanic isolation up to 2500-VRMS between holding-brake circuit and microcontroller
  • Hardware-based, pulse width modulation (PWM), current-control loops help to maintain constant hold current, irrespective of variation at input voltage
  • Protection against overvoltage, undervoltage, reverse polarity, and overcurrent

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV110  Single-Channel Relay, Solenoid, Valve Low-Side Controller With Current Regulation  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
ISO7142CC  4242-Vpk Small Footprint and Low-Power 2/2 Quad Channel Digital Isolator with Noise Filter  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LMR23610  SIMPLE SWITCHER, 36V 1A Synchronous Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS2660  60V 2A Industrial eFuse With Integrated Reverse-Input Polarity Protection  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS7B69-Q1  Automotive High-Voltage Ultra-Low-Iq Low-Dropout Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TVS3300  33V 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)
DRV110 Download
Download
ISO7142CC Download
LMR23610 Download Download
TPS2660 Download Download
Download Download
TPS7B69-Q1 Download
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TVS3300 Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 791 24 May 2018 19
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 370 24 May 2018 9
ZIP 2840 24 May 2018 14
PDF 671 24 May 2018 11
PDF 161 24 May 2018 12
PDF 66 24 May 2018 15
PDF 206 24 May 2018 27
Related Tools & Software

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
C2000 Piccolo MCU F28027 LaunchPad Development Kit  LAUNCHXL-F28027  Development Kits 

Development Tools (1)

Name Part Number Tool Type
SPICE-Based Analog Simulation Program  TINA-TI  Circuit Design & Simulation 

Models (1)

Title Category Type Size (KB) Date Views
TIDA-01621 Simulation PSpice Model ZIP 438 KB 29 May 2018 3 views

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