Teardown of MOVESPEED 140W 4-in-1 GaN Charger

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Introduction
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ChargerLAB had done multiple tests on the MOVESPEED 140W PD3.1 charger. It can meet the charging needs of most devices. It also supports automatic power distribution and can charge four devices at the same time.
This time, we got its yellow version. To know how it can achieve a charging performance like that, we are going to take it apart to see its internal components and structure.

Bill of materials (BOM)
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Model: YSFCG107-140Y
Input Filtering Circuit:
Input Fuse: Betterfuse
Varistor: SGLG 10D621K
Safety X2 Capacitor: DGCX
Bridge Rectifier: Pingwei TBMR810
Film Capacitor: JURCC

PFC Circuit:
PFC Controller: Onsemi NCP1623
PFC MOSFET: WAYON WML25N55C4
PFC Rectifier: JJM JEER1006V
Capacitor: JSH

Primary Circuit:
Master Control Chip: Onsemi NCP1342
Capacitor: Yuguang
MOSFET: Innoscience INN650D150A

Secondary Circuit:
SMD Y Capacitor: TRX TMY1152M
Blue Y Capacitor: DGCX

Synchronous Rectification Circuit:
Synchronous Rectifier Controller: HYASiC HY913B
Synchronous Rectifier: LIHOMICRO LH070N120

Buck Circuit:
Synchronous Buck Controller: Deep-pool NDP1415
Synchronous Buck MOSFET: CR MICRO CRSM034N06L2, LIHOMICRO LH042N04, LH80N04, LH042N04
Solid Capacitor: JSH
Protocol Chip: On-Bright OB2623
VBUS MOSFET: CR MICRO CRTM063N04L, LIHOMICRO LH3020
Buck Protocol Chip: iSmartWare SW3516P
MCU: Chipsea CSU38F20

Chapter
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0:00 Intro
1:37 Test
2:49 Teardown
4:04 Analysis
10:16 Summary

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