Support PD3.1 | Teardown of DELL Original 165W GaN Laptop Power Adapter

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Introduction
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Not long ago, ChargerLAB took apart several USB-C GaN chargers from DELL, which only support PD3.0. This is the first time for us to get a DELL 165W GaN power adapter that supports PD3.1.
And we are going to take it apart to see what the internal components look like after supporting PD3.1.

Bill of materials (BOM)
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Model: LA165PM210
Manufacturer: LITEON
Fuse: WalterFuse
Safety X2 Capacitor: HJC
Active Rectifier: LITEON S8MC
Active Bridge Rectifier Controller: NXP TEA2206
Rectifier: APEC AP60SC125DDT8

PFC Circuit:
PFC Controller: NXP TEA19162
PFC MOSFET: Infineon IGLD60R070D1
PFC Rectifier: Yangjie MURSL860D
Electrolytic Capacitor: SAMXON
Bypass Diode: LITEON S8MC

Primary Circuit:
Master Control Chip: Infineon LTA2102
Half-bridge MOSFET: APEC AP60SC200DDT8
Electrolytic Capacitor: Elite
SMD Y Capacitor: Holy Stone
Optocoupler: LTV1007, LTV1008

Secondary Circuit:
Synchronous Rectifier Controller: MPS MP6951
Synchronous Rectifier: Infineon BSC0802LS
Solid Capacitor: SAMXON UER series
Protocol Chip: Weltrend WT6676F
Output VBUS MOSFET: Toshiba TPN2R304PL

Chapter
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0:00 Intro
1:37 Test
2:20 Teardown
4:31 Analysis
9:10 Summary

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