How does a computer power supply work? ATX power supplies – the most detailed breakdown with a sc...
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0:00 Tom's Big Workshop. Disassembling the ATX power supply circuit.
0:43 Power supply to the power supply. X and Y capacitors.
2:01 The dangers of X and Y capacitors and why grounding is important.
3:30 Why is a ZNR1 varistor needed in a power supply circuit?
5:05 Boost converter at the input of a power supply
8:36 How does PFC work in power supplies?
10:32 Bidirectional forward converter. CM6805BG.
12:06 High-side control in a dual-switch converter.
13:31 ISENSE input, current shunt, and power supply overload protection
15:06 Standby power supply. VCC and VSB. TNY176PN.
17:33 TL431 controlled zener diode.
18:24 Output section of an ATX power supply. Converter with a storage choke.
21:16 Group stabilization choke (GRC).
22:35 +3.3V Line Stabilizer. What is a Magnetic Amplifier?
24:45 Output Line Monitoring. ST9S313 Supervisor.
26:30 What is the POWER GOOD (PG) signal for?
27:12 How is output voltage stabilization achieved?
28:20 We're already at 170,000! Thanks for watching!
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