22-W/in3, 93.1% peak efficiency, 100-W USB-PD 3.0 AC/DC adapter reference design with Si MOSFET TIDA-010047 (ACTIVE)

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Key Document

Description

This fully-tested reference design is a high-efficiency, high-power-density, AC/DC adapter solution with a wide input voltage range (100- to 240-V AC) for laptop adapters and smartphone charger applications. This design consists of a front-end transition-mode (TM) power factor correction (PFC) circuit based on the UCC28056 device, followed by an active-clamp flyback for isolated DC/DC conversion based on the UCC28780 device.

Features
  • Relatively low-cost solution
  • Solution based on the both-ended USB Type-C® cable
  • Relatively high power density with active-clamp flyback topology
  • Meets DoE level VI and CoC Tier2 regulations
  • Robust protection built-in

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Schematic/Block Diagram

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Design Files

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Parametrics
 TIDA-010047.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)20
Iout (Max) (A)5
Output Power (W)100
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyBoost- Transition Mode
Flyback- Active Clamp

TI Devices (10)

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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
LMC7111  Tiny CMOS Operational Amplifier with Rail-to-Rail Input and Output  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LP2981-N  Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package  Power management  Sample & Buy Not Available
TPS62177  28V, 0.5A Step-Down Converter with SNOOZE Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS65987D  USB Type-C™ and USB PD controller with integrated power switches  USB  Sample & Buy View Design Kits & Evaluation Modules
TPS7B4250-Q1  Automotive 50mA 40V Voltage-Tracking LDO With 5mV Tracking Tolerance  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCC24612  High-frequency multi-mode synchronous rectifier controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC27712  620-V, 1.8-A, 2.8-A High-Side Low-Side Gate Driver with Interlock  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules
UCC28056  6-pin high performance CRM/DCM PFC controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28780  Adaptive zero voltage switching active-clamp flyback controller  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
LMC7111 Download Download
LP2981-N Download
TPS62177 Download Download
TPS65987D Download
TPS7B4250-Q1 Download Download
UCC24612 Download Download
UCC27712 Download Download
UCC28056 Download
UCC28780 Download
Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3169 27 Mar 2019
Design files (6)
Title Type Size (KB) Date
ZIP 1308 26 Mar 2019
ZIP 6894 26 Mar 2019
ZIP 1002 26 Mar 2019
ZIP 247 26 Mar 2019
ZIP 577 26 Mar 2019
ZIP 531 26 Mar 2019

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