TIDA-00315

100/200Vac Input, 30W Isolated Power Supply Reference Design for Servo Drives

TIDA-00315

Design files

Overview

This reference design provides isolated 24Vdc, 16Vdc (x3) and 6V outputs to power the control electronics, IGBT module and fan for 100Vac/200Vac input servo drives. The power supply can be either powered directly from a single or 3- phase AC mains or can be powered from the DC link voltage. This reference design uses primary-side regulation, quasi-resonant flyback topology and is rated for 30W output. The line and load regulation of the power supply is designed to be within 5%. The power supply is designed to meet the clearance, creepage and isolation test voltages as per IEC61800-5 requirements

Features
  • 30W isolated main power supply for servo drives
  • Can operate with DC Link (450Vdc max) or AC input (200VAC)
  • Load and line Regulation: 5%
  • Input UV/OV, Output overload & SC protection
  • Protection against loss of feedback
  • Lower system cost solution using UCC28711 through primary side regulation, eliminating feedback loop
  • Quasi-Resonant mode controller improves EMI
  • Operating temp range: -10ºC to 65ºC
  • Designed to comply with IEC 61800-5

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDUAG6A.PDF (2276 K)

Reference design overview and verified performance test data

TIDRGI2.PDF (523 K)

Detailed schematic diagram for design layout and components

TIDRGI3A.PDF (242 K)

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

TIDRGI4.ZIP (147 K)

Detailed overview of design layout for component placement

TIDRGI5.ZIP (438 K)

Detailed overview of design layout for component placement

TIDRGI7.ZIP (1505 K)

Files used for 3D models or 2D drawings of IC components

TIDRGI6.PDF (1168 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Flyback controllers

UCC28711Constant-voltage, constant-current PWM with PSR, valley switching, NTC option, and 0-mV cable comp.

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS543323.5V to 28V Input, 3.5A, 1MHz Step-Down Converter with Eco-mode

Data sheet document-pdfAcrobat PDF open-in-new HTML
Supervisor & reset ICs

LMS33460Ultra-low power, space-saving 3-V undervoltage detector

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide 100V/200Vac Input 30W Isolated Power Supply for Servo Drives Design Guide (Rev. A) Oct. 15, 2015

Related design resources

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