>95% Efficiency, 1-kW analog control AC/DC reference design for 5G telecom rectifier
TIDA-010081
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Key Document

Description

This compact, high efficiency reference design with a 54-V DC, 1000-W output targets 5G telecom power and industrial AC/DC power supplies. The circuit consists of a front-end continuous conduction mode (CCM) power factor correction (PFC) circuit based on the UCC28180, followed by a robust LLC stage for an isolated DC/DC converter based on the UCC256403. For high efficiency needs, the UCC24624 handles synchronous rectification. This design uses an auxiliary power supply flyback with the UCC28911, which has an internal high-voltage MOSFET. This design enables 95.9% peak efficiency and allows the system to work without forced cooling. The whole system has low iTHD, with 30% load at <12%, 50% load at <8%, 100% load at <5.5%, and good load transient performance.

Features
  • Peak efficiency of 95.9% at 230-V AC and 95% across 30%~100% load
  • CCM PFC and half bridge LLC based (UCC28180 and UCC256403)
  • Low iTHD: 30% load at <12%, 50% load at <8%, 100% load at <5.5%
  • Good load transient performance at less than 1% regulation
  • Meets ±1% accuracy for input power meter across whole load range
  • Passive cooling with sealed metal case

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Schematic/Block Diagram

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Design Files

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TI Devices (12)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ATL431  2.5V low-Iq adjustable precision shunt regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
INA180  26V current sense amplifier for cost-sensitive systems  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LM5180  65-VIN PSR flyback converter with 100-V, 1.5-A integrated power MOSFET  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
MSP430I2021  16MHz MCU with two 24-bit Sigma-Delta ADCs, two 16-bit High Res Timers, 32KB flash, 2KB RAM  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TLV9002  2-Channel, 1MHz, RRIO, 1.8V to 5.5V Operational Amplifier for Cost-Optimized Systems  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLV9101  Single 1MHz, 16-V rail-to-rail input/output, low-offset voltage, low-power op amp  Operational amplifiers (op amps)  Sample & Buy Not Available
TPS560430  SIMPLE SWITCHER® 36-V, 600-mA Buck Regulator With High-Efficiency Sleep Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
UCC24624  High frequency Dual Synchronous Rectifier Controller for LLC Converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC256403  LLC resonant controller with ultra-low power and ultra-quiet standby operation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC27517  4A/4A Single Channel High-speed Low-side Gate Driver  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules
UCC28180  8-Pin Continuous Conduction Mode (CCM) PFC Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28911  700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Regulation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ATL431 Download Download
INA180 Download -
Download
LM5180 Download Download
MSP430I2021 Download Download
Download
TLV9002 Download Download
Download
Download
Download Download
Download
Download
Download
TPS560430 Download -
UCC24624 Download
UCC256403 Download
UCC27517 Download
UCC28180 Download
UCC28911 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2931 11 Nov 2019
Design files (6)
Title Type Size (KB) Date
ZIP 587 11 Nov 2019
ZIP 9928 11 Nov 2019
PDF 972 11 Nov 2019
PDF 308 11 Nov 2019
ZIP 164 11 Nov 2019
PDF 521 11 Nov 2019

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