Teardown of Samsung Wireless Charger Pad Duo (For Samsung Watches)

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Introduction
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Hi, welcome back to ChargerLAB.
It’s been a while since the last teardown of wireless chargers.
Many people request us to tear down the charging pad for galaxy watch.
So, here it is. Samsung Wireless Charger Pad Duo.
It is compatible with Samsung phones, watches, and earphones.
Let's take it apart to see inside.

Bill of materials (BOM)
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Protection Chip: Etek ET9553M
Master Control Chip: Renesas IDTP9236
Buck-boost Converter: MPS
Microcontroller Unit (MCU): ABOV Semiconductor