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Home › Teardowns › Chargers › Teardown of Xiaomi 100W USB-C GaN Charger (AD100G)

Teardown of Xiaomi 100W USB-C GaN Charger (AD100G)

Yi
8 monthsagoChargers
0 2

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Introduction
---------------------------------------------------------------
ChargerLAB got a 100W GaN charger from Xiaomi, which comes with Redmi Laptops.
Xiaomi has also launched a non-GaN 100W charger before.
Let's take a look at the internal changes after upgrading the GaN charger.

Bill of materials (BOM)
------------------------------------------
Input Fuse: Better Electronics (3.15A 250V)
Safety X2 Capacitor: 0.33μF
Bridge Rectifier: Yangjie D6UB100 (6A 1000V)
Film Filter Capacitor: 1μF 450V
PFC Controller: MPS MP44018A
GaN IC for PFC Boost: Navitas NV6134A (260mΩ, 650V)
Filter Capacitor: AiSHi (420V 27μF, 420V 15μF)
Primary PWM Controller: ON Semiconductor NCP1342
Power Supply Capacitor: AiSHi (100V 10μF)
GaN IC for QR Topology: Navitas NV6134A
Blue Y Capacitor: SEC
Optocoupler: CT1018
Synchronous Rectifier Controller: MPS MP6908A
Synchronous Rectifier: Toshiba TPH4R50ANH1 (100V, 3.7mΩ)
Output Filter Capacitor: BERYL(820μF 25V)
Protocol Chip: Weltrend WT6636F
Output VBUS MOSFET: AOS AON6354 (30V, 2.75mΩ)

Related Articles:
1. Teardown of Anker 100W USB-C Charger, 736 Charger (Nano II 100W)
2. All in One | Teardown of UGREEN 100W 3C1A GaN Fast Charger
3. Mini & Special Structure | Teardown of AOHI 100W Mini GaN Charger (Dual Ports)

100W GaN Xiaomi
2
The article is originally written by @Yi posted on Chargerlab. All rights reserved.
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