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Introduction
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Back to 2021, we posted a teardown video of the Samsung wireless charger pad duo, which can support up to 9W wireless charging. And today, we got its upgraded version.
This charging pad can support up to 15W wireless charging. And it can be compatible with Samsung phones, watches, and earphones. Let's go ahead and take it apart.

Bill of materials (BOM)
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Model: EP-P5400
Cooling Fan: Toshiba
Half-bridge Driver: DIODES DGD0590A
MCU: ABOV 94B428
Master Control Chip: Renesas IDTP9236
Synchronous Buck-boost Converter: MPS MP28167-A
MOSFET: Vergiga Semi VS3618AE
Fan Speed Controller: Global Mixed-mode G761

Related Articles: 
1. Teardown of Samsung Wireless Charger Pad Duo (For Samsung Watches)
2. Samsung Galaxy S23: Improved Fast Charging Performance
3. Unboxing & Compatibility Test of Samsung Galaxy S22+