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LMG3622EVM-082

LMG3622 evaluation module for 65-W quasi-resonant flyback converter with USB Type-C® PD

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LMG3622EVM-082

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Overview

LMG3622EVM-082 demonstrates high efficiency and high density for a 65-W USB Type-C® Power Delivery (PD) off-line adapter using the LMG3622 integrated GaN FET with current sense emulation.  The input supports a universal 90 VAC to 265 VAC and the single output can be set to 5 V, 9 V and 15 V all at 3-A max and 20 V at 3.25-A max, which can be adjusted with the USB PD interface controller.  High-frequency operation up to 200-kHz nominal enables small solution size while the multi-mode operation maintains high efficiency.  Synchronous rectification is used on the output to increase efficiency.

Features
  • Universal AC input of 90 VAC to 264 VAC with USB Type-C® PD 3.0 compliant output up to 65 W (5 V/3 A, 9 V/3 A, 15 V/3 A, 20 V/3.25 A)
  • Efficiency and standby power consumption exceeds regulatory requirements CoC Tier 2 and DoE Level VI
  • Power density of 28 W/in3 with an efficiency of 93% at 90-VAC full load
  • Integrated GaN device reduces component count and increases efficiency with current-sense emulation
Gallium nitride (GaN) power stages
LMG3612 — 650-V 120-mΩ GaN FET with integrated driver and protection LMG3622 — 650V 120mΩ GaN FET with integrated driver, protection and current sensing
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Evaluation board

LMG3622EVM-082 —

LMG3622 evaluation module for 65-W quasi-resonant flyback converter with USB Type-C® PD

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Technical documentation

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Type Title Date
EVM User's guide Using the LMG3622EVM-082 65-W USB-C PD High-Density Quasi-Resonant Flyback PDF | HTML 06 Sep 2023
Certificate LMG3622EVM-082 EU Declaration of Conformity (DoC) 21 Aug 2023

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