Super-Low Price | Teardown of Ldnio 6-in-1 GaN Desktop Charger

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Introduction
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This time, ChargerLAB got a 140W GaN 6-in-1 desktop charger from LDNIO and it's only $40.99. Different from other chargers, it is equipped with a power cord, three replaceable AC plugs, and a display.
To know how it achieves so many functions, let’s take it apart and check its internal structure.

Bill of materials (BOM)
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Model: A6140C
Input Filtering Circuit:
Bridge Rectifier: GBU1010
Electrolytic Capacitor: KSC

Primary Circuit:
Master Control Chip: Meraki MK2697
Filter Capacitor: Guike
GaN FET: CorEnergy CE65H110TOAI
Y Capacitor: TRX TMY1222M, NDF
Optocoupler: OR

Secondary Circuit:
Synchronous Rectifier Controller: Meraki MK91816
Synchronous Rectifier: Leadteck
Solid Capacitor: ST
Electrolytic Capacitor: Guike
Buck Protocol Chip: iSmartWare SW3516P
Synchronous Buck MOSFET: AGM-Semi AGM303A, AP90N03Q
MCU: Chipsea CSU38M20