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MP6602 - stepper motor driver 35V/4A SPI - Pololu 5688
Stepper motor up to 4 A per coil with SPI configuration: Pololu MP6602 driver with stall detection.
- Motor supply 4.5-35 V
- Steps from full to 1/32
- Error diagnostics and Arduino library
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4 A stepper driver with SPI configuration and stall detection
Pololu MP6602 is a stepper motor driver with the MPS MP6602 chip. It works with a motor voltage from 4.5 V to 35 V and, according to the manufacturer's tests, maintains a current limit of up to 4 A per coil without a heatsink or forced cooling. It supports bipolar motors and 5-wire unipolar motors, with steps from full to 1/32.
You set the current, step mode, current decay time and holding current via SPI with 3.3 V or 5 V logic. You control the motor via SPI or the classic STEP and DIR inputs. The driver detects motor stall, measures back-EMF and reports faults: overcurrent, overtemperature, undervoltage or overvoltage and a disconnected coil.
Pololu MP6602 stepper motor driver board
Botland is an official distributor of Pololu electronics and robotics parts. Countless robots hold at least one component of this brand in their build. Our team guarantees that all Pololu products presented here are original.
4.5-35 V
motor supply voltage
4 A
max. current limit per coil without a heatsink
1/32
smallest step (from full to 1/32)
SPI
configuration and diagnostics
A good choice for you?
A good choice if:
- you are building a plotter, a CNC axis or a drive with a NEMA motor up to 4 A
- you want to set the current and step mode in software, without a potentiometer
- stall detection and error diagnostics matter to you
Consider another option if:
- you prefer a simple STEP/DIR driver without SPI: see Pololu DRV8825 driver
- you need a higher voltage and current: choose the Pololu 36v4 50 V/6 A driver
Technical specifications
| Parameter | Value |
|---|---|
| Chip | MPS MP6602 |
| Motors | bipolar (4, 6, 8 wires) and 5-wire unipolar |
| Motor voltage | 4.5-35 V |
| Current limit | up to 4 A per coil without a heatsink, default 1.25 A |
| Step modes | full, 1/2, 1/4, 1/8, 1/16, 1/32 |
| Logic | 3.0-5.5 V |
| Interface | SPI, optionally STEP, DIR, ENBL, SLEEP, RESET, FAULT |
| Diagnostics | stall detection, back-EMF measurement, overcurrent, overtemperature, voltage and disconnected coil errors |
| Board | 4 layers, 2 oz copper, exposed ground pad on the underside |
| Included | driver without header strips |
| Manufacturer | Pololu (item #5688) |
Did you know?
A driver that senses the motor's resistance
The MP6602 measures the back-EMF that the motor generates as it turns. Based on this it detects a stall, so the axis can return to its home position without a limit switch.
Source: Pololu: product page
Frequently asked questions
Can I control the motor without SPI?
Not quite. SPI is needed to enable and configure the driver after every startup. After that you can feed in steps in the classic way via STEP and DIR.
Is there a library for Arduino?
Yes. The manufacturer provides an Arduino library with example programs.
Why is the measured current lower than the set one?
In full-step mode the coil current is about 70% of the set limit. The current drawn from the power supply is also lower than the coil current, because the driver operates in switching mode.
Useful links
| Name | Value |
|---|---|
| Voltage to | 4.5 V |
| Voltage from | 35.0 V |
| Current | 4.0 A |
| Channels | 1 |
| Width | 10 cm |
| Height | 5 cm |
| Depth | 0.5 cm |
| Weight | 0.002 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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