Pololu DRV8434 stepper motor driver, 1/256 steps, bipolar, 1.2-2A, 4.5-48V, without header
Product number: POL3762
€8.90
Available · 27 piece · 1-3 days
€8.90*
Product information "Pololu DRV8434 stepper motor driver, 1/256 steps, bipolar, 1.2-2A, 4.5-48V, without header"
The Pololu DRV8434 stepper motor driver is a versatile module for controlling bipolar stepper motors. The module supports microstepping up to 1/256 step and works with an operating voltage of 4.5 V to 48 V. It delivers up to 1.2 A continuously per phase without additional cooling and can reach peak currents of 2 A for short periods. It is controlled via a simple step and direction interface and is compatible with 1.8 V, 3.3 V and 5 V systems.
The driver has an integrated voltage regulator that enables easy integration into various projects. Protection mechanisms such as overtemperature shutdown, overcurrent protection and undervoltage protection are also integrated. Two intelligent current control modes ensure smooth movement of the motors without the need for manual adjustment.
The module is based on the Texas Instruments DRV8434 stepper motor driver and is designed as a carrier module. The header is included in the scope of delivery and must be soldered on yourself. The module is compatible with the widely used A4988 driver module and can be used as a replacement in many applications. The integrated spread spectrum clocking reduces electromagnetic interference, while the 4-layer, 2 ounce copper PCB ensures improved heat dissipation.
Pin assignment
- VMOT - supply voltage for the motor (4.5-48 V)
- GND - Ground connection
- B1, B2, A1, A2 - connections for the motor phases
- FAULT - Status pin for error display
- TOFF - Control of the switch-off time
- DECAY0, DECAY1 - Selection of the dismantling modes
- M0, M1 - Setting the microstep resolution
- ENABLE - Activation or deactivation of the driver
- SLEEP - Sets the driver to sleep mode
- STEP - Control of the step signal
- DIR - Control of the direction of rotation
Features at a glance
- Voltage range: 4.5 V to 48 V (not suitable for 48 V batteries)
- Current output: up to 1.2 A continuous per phase, 2 A peak current with additional cooling
- Integrated voltage regulator
- Compatible with 1.8 V, 3.3 V and 5 V systems
- Supports 11 microstep resolutions: up to 1/256 steps
- Six degradation modes, including two intelligent current control modes
- Protection mechanisms: Over-temperature shutdown, over-current protection, under-voltage protection
- Spread spectrum clock to reduce EMI
- Potentiometer for setting the current limit
- Bipolar stepper motors
- Systems with 1.8 V, 3.3 V and 5 V
- Replacement for A4988 driver modules
- Dimensions: 0.6″ × 0.8″
- Weight: 1.3 g (without pin header)
- Operating voltage: 4.5 V to 48 V
- Maximum current: 2 A (with cooling), continuous 1.2 A
- Supported microsteps: up to 1/256 steps
- Logic voltage: 1.8 V to 5.5 V
- No reverse voltage protection
- PCB markings: md43a, 0J13721
- Spread spectrum clock integrated
- 1x DRV8434 Stepper Motor Driver Carrier
- 1x Header (not soldered together)
| Zolltarifnummer: | 85423100 |
|---|---|
| Brand: | Pololu |
| Country of Origin: | USA |
| Gross Weight (kg): | 0.003 |
| Manufacturer ID: | 3762 |
| Product ID: | POL3762 |
Pololu Corporation
920 Pilot Rd.
US 89119 Las Vegas, Nevada
https://www.pololu.com/
support@pololu.com
WEEE number: 17968585
Responsible person for the EU
Sertronics GmbH
Am Studio 20d
DE 12489 Berlin
https://www.berrybase.de
info@berrybase.de
Safety instructions
- Only use in dry indoor areas to avoid damage caused by moisture.
- Keep away from direct sunlight or extreme temperatures.
- Ensure that the operating voltage corresponds to the technical specifications.
- Only connect using a suitable cable and plug.
- Protect the product from mechanical damage, vibrations and shocks.
- Always switch off the power supply during installation and maintenance.
- Protect electronic components from electrostatic discharge (ESD).
- Use only by trained personnel.
- Do not repair defective products without authorisation, but dispose of them properly.
- Dispose of batteries or rechargeable batteries in accordance with local regulations.
- Do not dispose of with household waste, but pass it on to certified collection centres.
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