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Small Stepper Controller markt

bipolar chopper drive for small steppers in 0.3 to 1.7A range.

Recent activity:

  • markt schematic processed5 years ago
  • markt board processed5 years ago
  • markt board received5 years ago
  • markt schematic received5 years ago
  • markt bom received5 years ago
  • markt pushed to5 years ago

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Description

 

This project does not have a descriptive photograph.

bipolar chopper drive for small steppers in 0.3 to 1.7A range, using hysteresis current feedback via shunt resistors and comparator, micro-controller and DAC provide step/direction to microstep translation.

Schematic

Board

Bill of Materials

Designator Value Description
C1 33nF CAPACITOR, European symbol
C2 33nF CAPACITOR, European symbol
C3 33nF CAPACITOR, European symbol
C4 33nF CAPACITOR, European symbol
C5 1uF CAPACITOR, European symbol
C6 1uF CAPACITOR, European symbol
C7 1uF CAPACITOR, European symbol
C8 1uF CAPACITOR, European symbol
C9 10uF 50V CAPACITOR, European symbol
C10 10uF 50V CAPACITOR, European symbol
C11 10uF 50V CAPACITOR, European symbol
C12 10uF 50V CAPACITOR, European symbol
C13 100nF CAPACITOR, European symbol
C14 18pF CAPACITOR, European symbol
C15 18pF CAPACITOR, European symbol
C16 100nF CAPACITOR, European symbol
C17 100nF CAPACITOR, European symbol
C18 1uF CAPACITOR, European symbol
C19 100nF CAPACITOR, European symbol
C20 100nF CAPACITOR, European symbol
C21 4n7 CAPACITOR, European symbol
C22 4n7 CAPACITOR, European symbol
IC1 MEGA8-AI MICROCONTROLLER
LED1 LED
R1 10k RESISTOR, European symbol
R2 10k RESISTOR, European symbol
R3 10k RESISTOR, European symbol
R4 1k RESISTOR, European symbol
R5 100 RESISTOR, European symbol
R6 100 RESISTOR, European symbol
R7 100 RESISTOR, European symbol
R8 100 RESISTOR, European symbol
R9 100 RESISTOR, European symbol
R10 100 RESISTOR, European symbol
R11 100 RESISTOR, European symbol
R12 100 RESISTOR, European symbol
R13 10k RESISTOR, European symbol
R14 0.1 RESISTOR, European symbol
R15 0.1 RESISTOR, European symbol
R16 0.1 RESISTOR, European symbol
R17 0.1 RESISTOR, European symbol
R18 1k RESISTOR, European symbol
R19 2k RESISTOR, European symbol
R20 2k RESISTOR, European symbol
R21 2k RESISTOR, European symbol
R22 2k RESISTOR, European symbol
R23 2k RESISTOR, European symbol
R24 100 RESISTOR, European symbol
R25 56k RESISTOR, European symbol
R26 56k RESISTOR, European symbol
SV1 step-dir FEMALE HEADER
SV3 prog PIN HEADER
SV4 power in PIN HEADER
SV5 power out PIN HEADER
U$1 SP8K32TB1 SP8K32TB1 dual n-channel MOSFET
U$2 SP8K32TB1 SP8K32TB1 dual n-channel MOSFET
U$3 SP8K32TB1 SP8K32TB1 dual n-channel MOSFET
U$4 SP8K32TB1 SP8K32TB1 dual n-channel MOSFET
U$5 FAN7380 FAN7380 high-side-low-side MOSFET driver
U$6 FAN7380 FAN7380 high-side-low-side MOSFET driver
U$7 FAN7380 FAN7380 high-side-low-side MOSFET driver
U$8 FAN7380 FAN7380 high-side-low-side MOSFET driver
U$9 SS24 SS24 40V 2A Schottky diode, 50A pulse 1.3W
U$10 SS24 SS24 40V 2A Schottky diode, 50A pulse 1.3W
U$11 SS24 SS24 40V 2A Schottky diode, 50A pulse 1.3W
U$12 SS24 SS24 40V 2A Schottky diode, 50A pulse 1.3W
U$13 LM339D LM339D quad comparator
U$14 MCP4902
U$15 AP1117-REG
U$16 TXC-7A-XTAL
U$17 POLYFUSE-2920
U$18 CON-4PIN-STEPPER

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This project is © Mark Tillotson, and is published under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported licence.