Robot servo drive

Products and reference designs

Robot servo drive

Block diagram

Overview

Our integrated circuits and reference designs help you create a compact, efficient and fully protected power stage module for industrial and collaborative robots. Our analog and embedded processing products enable improved motor control performance and exceed isolation and EMC requirements per IEC standards.

Design requirements

  • Non-isolated and isolated gate drivers with high CMTI and built-in protection.
  • Precise current and voltage sense for accurate position and torque control.
  • Reliable overcurrent protection against short circuit and shoot through events.
  • Efficient non-isolated power supplies with tight regulation.

Block diagram

Find products and reference designs for your system.

Multi-axis servo drive

DC LINK DC LINK PWM & FLT PWM & FLT Connection to control module Connection to control module Gate driver supply Gate driver supply Holding brake Holding brake Connector to: digital hall, resolver, encoder Connector to:digital hall, resolver, encoder Encoder interface Encoder interface Mux Mux Level translator Level translator RS-485/RS-422 RS-485/RS-422 Connector to: angle Encoder Connector to:angle Encoder Encoder AFE Encoder AFE Amp Amp Amp Amp ADC ADC DAC DAC Ref Ref Comp Comp Protection Protection Holding brake power stage Holding brake power stage High/Low side switch High/Low side switch DC/DC DC/DC STO STO DC Link current & voltage sense DC Link current & voltage sense Ref Ref Amp Amp Comp Comp Multiple rails Multiple rails 24V & other rails 24V & other rails 24V Aux 24V Aux Gate driver supplies Gate driver supplies Motor current & voltage sense Motor current & voltage sense Ref Ref Comp Comp Fluxgate/Hall Fluxgate/Hall Delta Sigma Delta Sigma Amp Amp ADC ADC AC Motor AC Motor AC motors AC motors Clocking Clocking BAW oscillator BAW oscillator Clock distribution Clock distribution Clock buffer Clock buffer Self-diagnostics/safety monitoring Self-diagnostics/safety monitoring MCU MCU Watchdog Watchdog Voltage supervisor Voltage supervisor RESET RESET Comparator Comparator Temperature sensor Temperature sensor 3-phase power stage 3-phase power stage Digital isolators Digital isolators Logic gates Logic gates IPM IPM Isolated gate drivers Isolated gate drivers Logic gates Logic gates IGBT IGBT GaN module GaN module OR OR Digital processing Digital processing MCU MPU MCUMPU Isolated DC/DC power supply Isolated DC/DC power supply Controller / converter Controller / converter FET FET Input power protection Input power protection E-Fuse & protection E-Fuse & protection Oring controller Oring controller HS -switches HS -switches Non-isolated DC/DC power supply Non-isolated DC/DC power supply DC/DC DC/DC LDO LDO PMIC PMIC Wired interface Wired interface Ethernet Ethernet RS-485 RS-485 CAN CAN Protection Protection LVDS LVDS Isolation Isolation Isolated DC/DC hot side Isolated DC/DC hot side FET FET Controller / converter Controller / converter

Technical documentation

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Type Title Date
White paper Enabling robots to achieve new levels of factory automation 29 Mar 2017
White paper Addressing Factory Automation Challenges with Innovations in Power Design 28 Sep 2021
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs 28 Oct 2020
Functional safety information Isolation in AC Motor Drives: Understanding the IEC 61800-5-1 Safety Standard (Rev. A) 28 Jul 2022
White paper EtherCAT® on Sitara™ Processors (Rev. I) 28 Jul 2020
White paper Silicon carbide gate drivers -- a disruptive technology in power electronics (Rev. A) 28 Feb 2019
White paper Design considerations of GaN devices for improving power converter efficiency 20 Nov 2017
Application note Performance of the Analog PWM Channel in Smart Gate Drivers 17 Jan 2020
E-book E-book: An engineer’s guide to industrial robot designs 16 Nov 2020
Application note Digital Isolator Design Guide (Rev. G) PDF | HTML 13 Sep 2023
White paper Piccolo™ C2000™ MCUs enable the next generation of low-cost, dual-axis servo dri (Rev. A) 13 Jul 2020
Application note High Voltage Half Bridge Design Guide for LMG3410 Smart GaN FET (Rev. A) 11 May 2022
Application note Ethernet PHY Configuration Using MDIO for Industrial Applications (Rev. A) 10 May 2022
Analog Design Journal How to use isolation to improve ESD, EFT and surge immunity in industrial system 02 Aug 2017
More literature Decentralized servo architecture webinar 01 Mar 2021
More literature Decentralized servo architecture webinar 01 Mar 2021

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