Teardown of AOHi Magcube 140W PD3.1 GaN Fast Charger (2C1A)

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Introduction
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We posted a charging review of the AOHi 140W Fast Charger several weeks ago. With the additional two USB ports, it’s more suitable for those who have a bunch of devices to charge at the same time.
And today, we gonna take it apart to see what it looks like inside.

Bill of materials (BOM)
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Model: AOC-C012
Time-delay Fuse: BetterFuse
Safety X2 Capacitor: SET
Bridge Rectifier: Yangjie YBSM8010
PFC Boost Controller: PI PFS5278F
PFC Boost Rectifier: PANJIT QRT806F
Power Supply Capacitor: TEAPO
Master Control Chip (USB-C): PI INN4576F
SMD Y Capacitor: TRX TMY1471K
Synchronous Rectifier: AOS
Master Control Chip (USB-A): PI INN3378C
Synchronous Rectifier: Vergiga semi VSP008N10MSC
Solid Capacitor: BERYL
Protocol Chip (USB-C): Injonic IP2738
VBUS MOSFET (USB-C, USB-A): Vergiga semi VS3698AE
Protocol Chip (USB-A): Injonic IP2736U

Chapter
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0:00 Intro
1:05 Test
2:18 Teardown
3:14 Analysis
7:31 Summary

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