Motor controllers

FMod-I2CSTEPMOT SLP 35/x

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Very small control device for 2 phases stepper motors (max 35W continuous) with ¼ step motion control for position or speed control using the trapezoidal trajectory profile. Ultra low power consumption in standby mode, typically less than 50na for each supply at 25°C, therefore ideal for portable and compact applications.

All the calculations are done on board, in order to minimize the communication rate with a control/supervising I2C master. Up to 112 devices can be connected to the same I2C bus in daisychain configuration.

This daughter board can easily be soldered directly to a motherboard without any cables through its 20 + 2 plated holes on board edge (1.27mm spacing). In addition to that, 1.27 mm spacing male connector can be soldered to the board, making it plugable, horizontally or vertically, to a dedicated motherboard.

Two different versions of this board are available, depending on the motor power needs :

  • FMod-I2CSTEPMOT SLP 35/0.1: 35V max, up to 150 mA
  • FMod-I2CSTEPMOT SLP 35/1: 35V max, from 100mA to 1A

Excl. tax prices

1 CHF 135.-
10 CHF 129.-
50 CHF 119.-
100 CHF 110.-
FMod-I2CSTEPMOT 35/1 SLP
FMod-I2CSTEPMOT 35/0.1 SLP
Dimension (LxBxH) [mm]
39.8x22x6
Motor type
2 phases stepper bipolar
Communication bus
I2C
Power supply (input)
DC [9-35V], max 2A
DC [9-35V], max 200mA
Logic supply (input)
DC [5V], max 50mA
Limits / Inputs
2 limits
Phases output
PWM 50kHz
Max 8’192 full steps/s
Resolution: ¼ step
Thermal protection
1 A continuous 1.5 A max
150mA max and continuous
Standby mode
Max 1 uA @ 5V logic (50nA at 25°C)
Max 1 uA @ motor supply (50nA at 25°C)
Extra features
Low power mode