Wednesday, May 5, 2010

POWER SUPPLAY 13,8 Volt Schematic

POWER SUPPLAY 13,8 Volt Schematic
POWER SUPPLAY 13,8 Volt Schematic
POWER SUPPLAY 13,8 Volt Schematic
POWER SUPPLAY 13,8 Volt Schematic

Part list for 12 Amp BDX33-based power supply:

  • 2 x 15 volt 6+ amps

  • 2 times two MR750 (MR7510) diodes (MR750 = 6 Ampere diode) or 2 times 3 1N5401 (1N5408) diodes.

  • F1 = 1 Amp

  • F2 = 15 amp

  • R1 2k2 1 Watt

  • R2 10k

  • R3 1k 0.5 watt

  • R4,R5,R6,R7 0.1 ohm 10 watt

  • R8 4.7

  • R9 6k8

  • C1 two times 4700uF/35v

  • C2 330uF/35v

  • C0',C3,C4,C6,C10 100nF

  • C7 330uF/25v

  • C8 47nF

  • C9 47uF/25v

  • D1 1N5401

  • D2 LED

  • D3, D4, D5 1N4001

  • IC1 78L15

  • relay 12 volt 2x5 amp switching

  • 3 darlington transistors: T0,T1,T2 = BDX-33 NPN TO-220 transistor

  • Zd 8 or 9 volt, 5 watt

  • P1 2k trimmer

If using a bridge rectifier (like in schematic 2) you do not need 2 x 15 volts 6 amps, but 1 x 15 volt 10+ Amps

Part list for 20 Amp BDX33-based power supply:

  • 2 x 15 volt 12+ amps

  • 2 times 3 MR750 (MR7510) diodes (MR750 = 6 Ampere diode) or 2 times 5 1N5401 (1N5408) diodes.

  • F1 = 2 Amp

  • F2 = 25 amp

  • R1 2k2 1 Watt

  • R2 10k

  • R3 1k 0.5 watt

  • R4,R5,R6,R7 0.1 ohm 10 watt

  • R8 4.7

  • R9 6k8

  • C1 22000uF/35v

  • C2 330uF/35v

  • C0',C3,C4,C6,C10 100nF

  • C7 330uF/25v

  • C8 47nF

  • C9 47uF/25v

  • D1 1N5401

  • D2 LED

  • D3, D4, D5 1N4001

  • IC1 7815

  • relay 12 volt 10 amp switching

  • Four darlington transistors: T0,T1,T2,T3 = BDX-33 NPN TO-220 transistor

  • Zd 8 or 9 volt, 5 watt

  • P1 2k trimmer

If using a bridge rectifier (like in schematic 2) you do not need 2 x 15 volts 12 amps, but 1 x 15 volt 20 Amps

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