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Notebook PC power adapter design

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Notebook PC power adapter design

Block diagram

Overview

Our integrated circuits and reference designs help you create notebook personal computer (PC) power adapter designs with high-power density and higher efficiency to meet Energy Star® standards at a competitive cost.

Design requirements

Modern notebook PC power adapter designs often require:

  • Lower standby power and leakage current.
  • Protection for voltage, current and short circuit.
  • Wider input voltage range with low total harmonic distortion (THD) throughout load and line.
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Block diagram

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AC adapter with USB PD/QC/VOOC (75W~200W)

AC adapter with USB PD/QC/VOOC (<75W)

AC adapter without USB PD/QC/VOOC (75W~200W)

AC adapter without USB PD/QC/VOOC (<75W)

Technical documentation

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Type Title Date
More literature Analysis and Measurement of Resonant Tank Current on LLC 30 Jul 2013
More literature Designing with the ATL431LI 27 Nov 2018
More literature Understanding and Designing an Active Clamp Current Mode Controlled Converter (Rev. A) 27 Jan 2020
More literature AN-2292 Designing an Isolated Buck (Fly-Buck) Converter (Rev. C) 18 Dec 2014
Technical articles A history of industrial Ethernet protocols and their benefits 15 Jul 2020
More literature GaN and SiC technologies enable increased efficiency in power supplies 14 Dec 2021
Analog Design Journal Design a transition-mode, bridgeless PFC with a standard PFC controller 11 Nov 2014
More literature Increasing Power Density With Active Clamp Flyback (UCC28780) 10 May 2022
More literature Improving Transient Response in LLC Converters Using Hybrid Hysteretic Control (Rev. B) 10 May 2022
Technical articles Capture, imagine, create: Enabling highly-accurate desktop 3D printing and portable 3D scanning with new DLP Pico chipsets 10 Jul 2018
Technical articles 48V systems: Design considerations for a typical auxiliary power inverter 08 Jul 2015
Technical articles Four design tips to obtain 2MHz switching frequency 03 Oct 2016
Analog Design Journal MOSFET power losses and how they affect power-supply efficiency 02 Feb 2016
More literature Exceeding Modern Energy Standards with 'Always On' PFC and LLC Controllers​ (Rev. B) 01 Aug 2019

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