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Introduction 
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It's been a while since we took apart the Apple 20W charger before. Recently, we have a new Apple 20W charger. The model has been updated to A2940. So, we decided to take it apart and check what's different inside. 
Bill of materials (BOM) 
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Model: A2940 
Input SMD Fuse: Littelfuse 
Electrolytic Capacitor: AiSHi, Chemi-Con 
Power IC: PI ZN1535C 
Transformer: Salcomp 
Synchronous Rectifier: Toshiba TPN1200APL 
Solid Capacitor: nichicon 
Output VBUS MOSFET: AOS AON7404G
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3. Teardown of Latest Apple 20W USB-C Power Adapter