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Merchant telecom rectifiers

Products and reference designs
Block diagram

Merchant telecom rectifiers

Block diagram

Overview

Our integrated circuits and reference designs help you design highly reliable, cost-effective merchant telecom rectifiers with ultra-high energy efficiency, high power density and redundancy.

Design requirements

Innovative merchant telecom rectifiers often require:

  • High efficiency with soft-switching techniques, bridgeless PFC topologies or GaN devices.
  • Small size and high-power density.
  • High system reliability with less thermal stress.
  • Digital solution with CAN, RS-485 or Bluetooth®/NB IoT for scalability and connectivity.

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Block diagram

Find products and reference designs for your system.

Dual controllers with <=1kW analog controller for PFC stage & isolated DC/DC stage

Dual digital controllers for primary & secondary side control

Single digital controller with primary side control

Technical documentation

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Type Title Date
Technical article Do you have the correct PFC to meet the new standard of harmonic current emissions 30 Jun 2023
Analog Design Journal Digital current balancing for an interleaved boost PFC 30 Apr 2013
Application note UCC21520, a Universal Isolated Gate Driver with Fast Dynamic Response (Rev. A) PDF | HTML 29 Jun 2018
White paper High Voltage Isolation Quality and Reliability for AMC130x 27 Jun 2016
Technical article Power Tips: Improve power supply reliability with high voltage GaN devices PDF | HTML 27 Jul 2023
Application note PFC THD Reduction and Efficiency Improvement by ZVS or Valley Switching 23 Oct 2014
White paper Design considerations of GaN devices for improving power converter efficiency 20 Nov 2017
Application brief Overcurrent Protection in High-Density GaN Power Designs 19 Oct 2018
Technical article How to use Hall-effect current sensors in telecom rectifiers and server PSUs PDF | HTML 14 Jul 2023
EVM User's guide Using the LMG341xEVM-018 Half-bridge and LMG34XX-BB--EVM breakout board EVM (Rev. A) 11 May 2022
Application note Digitally Controlled Bridgeless Power Factor Correction (BL PFC) using C2000 MCU (Rev. A) PDF | HTML 11 May 2022
Application note Using a Single-Output Gate-Driver for High-Side or Low-Side Drive (Rev. B) PDF | HTML 08 Sep 2023
Technical article GaN reliability standards reach milestone PDF | HTML 08 Jun 2023
More literature Design and Optimization of a High-Performance LLC Converter 04 Nov 2013
Test report 3.6-kW Single-Phase Totem-Pole Bridgeless PFC Reference Design With E-Meter Functionality (Rev. A) PDF | HTML 03 Apr 2024
Application brief External Gate Resistor Selection Guide (Rev. A) 01 Apr 2020

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