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Introduction
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Today, we got a server power supply from Dell. It has passed the 80 PLUS Platinum standard and supports up to 495W.
We're curious about the internal components of this power supply. So, let's take it apart and see how it differs from the laptop power adapter.
Bill of materials (BOM)
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Model: D495E-S0
Fan: Delta FFB0412UHN
Power Measurement IC: ADI 78M6613
Auxiliary Power Supply: Onsemi NCP1236
MOSFET: Infineon SPD06N80C3
MCU: Microchip dsPIC33FJ128GP204
Dual Voltage Comparator: LM393
Digital Isolator: Skyworks Si8641BD
Input Filtering Circuit:
Safety X2 Capacitor: HJC
Varistor: TVR14511
Relay: TE 0JE-SS-112LMH2
Bridge Rectifier: Shindengen D15XB60
PFC Circuit:
PFC MOSFET: Infineon SPW20N60C3
Electrolytic Capacitor: Rubycon
MCU (PFC MOSFET): Microchip dsPIC33FJ16GS504
Driver (PFC MOSFET): TI UCC27424
Primary Circuit:
Master Control Chip: TI UCC28950
Transformer Driver: TI UCC27424
MOSFET: STMicro STF11NM60ND
Secondary Circuit:
MOSFET: Infineon BSC042NE7NS3 G, Infineon IRFH5250
Electrolytic Capacitor: Rubycon
Chapter
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0:00 Intro
1:22 Test
1:32 Teardown
2:15 Analysis
7:04 Summary
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