Teardown of Xiaomi 90W GaN Pudding Charger

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Introduction
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The Pudding series chargers are popular fast-charging products launched by Xiaomi. They have been well-received by consumers thanks to their compact and highly recognizable design, as well as excellent performance and build quality. Recently, a new member has joined the Xiaomi Pudding series—the 90W GaN charger. It continues the same design language as the previous models but, for the first time, features foldable prongs, making it even more portable. Next, let's take it apart to see its internal components and structure.

Bill of materials (BOM)
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Model: MDY-18-EU
Thermistor: JinsQin SMD-NTC03M4A
Master control chip: Navitas NV9580
Synchronous rectifier controller: Navitas NV9701
Synchronous rectifier: Vergiga VSP2R8N10HS-G
VBUS MOSFET: Vergiga VS3618BE