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emz-power-supply's Introduction

My First Programmable Power Supply

Ideas

  • SMD or Through Hole?
  • PFC?

Specifications

  • 0 24 Volts (1mv Resolution)
  • 0 2 Amps (1ma Resolution)
  • 0 50 Watts (1mw Resolution)
  • 16 bit DAC and ADC
  • 16 bit Microcontroller
  • 24V Toroidal Transformer (33.941vpp, 50+VAC)

Features

  • Enable/Disable Output
  • Lock\Unlock Output
  • Constant Voltage, Current and Power Modes
  • 3x 4 Digit LED Displays One for each measurement

Possible Op Amps

  • LM318 15Mhz, 10-40V, 70v/us, DIP-8
  • OPA171
  • LM6211
  • OPA188

Possible Voltage References

  • LM4132, SOT-23, 3V, 30ppm/°C

Possible Voltage Regulators

  • LT1776 Buck for Microcontroller

Bill of Materials

Part Number Part Description Quantity Package
LT4320-1 Ideal Diode Bridge Controller 1 12-Lead MSOP
IPD220N06L3 N-Channel Power Transistor 4 3-Lead DPAK/TO-252

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