Teardown of Baseus 140W PD3.1 GaN 5 Pro Fast Charger (2C1A)

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Introduction
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As the PD3.1 protocol is equipped on more devices, more third-party chargers on the market can support 140W now. And today, we got a 140W multi-port charger from Baseus, equipped with two USB-C ports and a USB-A port. Let's go ahead and take it apart to see how it works.


Bill of materials (BOM)
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Time-delay Fuse: Better Electronics
Safety X2 Capacitor: DGCX
Bridge Rectifier: GBU1506
Primary Controller: NXP TEA2016AAT
Electrolytic Capacitor: Yuguang Electronics
GaN IC (PFC circuit): Navitas NV6127
LLC MOSFET: HRmicro HRD65T180GE
SMD Y Capacitor: TRX TMY1102M
Blue Y Capacitor: DGCX
Optocoupler: EL1019
Synchronous Rectification Controller: NXP TEA1995
Synchronous Rectifier: Hunteck HGN046NE6AL
Solid Capacitor: Reloncap, CapXon
Protocol Chip (USB-C1): Injoinic IP2736
Synchronous Buck-boost Controller: Southchip SC8701
MOSFET: Adamant AD40N60D5
VBUS MOSFET: Ruichips RUH4040M2
Protocol Chip (USB-C2, USB-A): Ismartware SW3516H
MCU: Chipsea CSU32P10

Chapter
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0:00 Intro
2:08 Test
3:12 Teardown
4:34 Analysis
9:00 Summary

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