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DRV8256P - single-channel motor controller 48V/1,9A - Pololu 4039
A small, single channel DRV8256E motor driver created by Pololu. The module is powered from 4.5 V to 48 V. Continuous current per channel is 1.9 A (momentary up to 6.4 A for 1 second). It allows simple control of the motor rotation direction through a two-pin IN/IN interface. The driver is also equipped with protection against reverse polarity, too low voltage, too high current and too high temperature.
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Product description: DRV8256P - 48V/1,9A single channel motor driver - Pololu 4039
A small, single channel DRV8256E motor driver created by Pololu company. The module is powered from 4.5V to 48V. Continuous current per channel is 1.9 A (momentary up to 6.4 A for 1 second). It allows simple control of the motor rotation direction through a two-pin IN/IN interface. The controller is also equipped with protection against reverse polarity, too low voltage, too high current and too high temperature.
DRV8256P single-channel DC motor driver.
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Connection of DRV8256P motor controller.
Connection of DRV8256P motor driver
The controller supports motors supplied with 4.5 V to 48 V, which must be connected to the VIN pin. In a typical application, it is sufficient to connect the motor direction control lines to IN1/IN2. Both lines are internally pulled up to ground through a resistor. SLEEP pin allows switching the system into low power mode. A low state must be specified to enter sleep mode.
DRV8256P truth table
| IN1 | IN2 | OUT1 | OUT2 | OPERATION MODE |
|---|---|---|---|---|
| 0 | 0 | L | L | stop (output connected to ground) |
| PWM | 0 | PWM (H/L) | L | forward speed PWM % braking |
| 0 | PWM | L | PWM (H/L) | Reverse speed PWM % braking |
| 1 | 1 | H | H | stop (output pulled up to VM) |
Pinout of the DRV8256P controller
| Pin | Default state | Description |
|---|---|---|
| VIN | Input voltage from 4.5 V to 48 V (reverse polarity protection operates up to 40 V). | |
| GND | System ground for motor and logic (controller and motor power ground must be connected). | |
| VM | Pin giving access to the motor power supply after the MOSFET reverse voltage protection operates. It can be used to power other elements of the system with reverse polarity protection. | |
| OUT1 | Motor 1 output. | |
| OUT2 | Motor 2 output. | |
| IN1 | LOW | Control input for OUT1. PWM can be used for control. |
| IN2 | LOW | Control input for OUTy. PWM can be used for control. |
| FAULT | FLOATING | Open-drain, fault output activated by a low state. Pin goes to low state when current or voltage exceeds allowable. Must be pulled up with a resistor to default to the high state. |
| SLEEP | LOW | The SLEEP input causes the controller to go into a low power state when the low state is applied. This pin can also be toggled to clear a locked overcurrent or overtemperature fault. |
| VREF | Current limiting threshold reference voltage. |
DRV8256P motor controller specifications
- Number of channels: 1
- Supply voltage: 4.5 V to 48 V
- Continuous current per channel: 1.9 A
- Instantaneous current per channel: 6,4 A
- Maximum PWM frequency: 100 Hz
- Minimum logic voltage: 1.8 V
- Maximum logic voltage: 5,5 V
- Reverse polarity protection
- Dimensions: 15.2 x 15.2 mm
- Weight: 0,6 g
Diagram of the DRV8256P controller.
Useful links
| Name | Value |
|---|---|
| Voltage to | 4.5 V |
| Voltage from | 48.0 V |
| Current | 1.9 A |
| Channels | 1 |
| Width | 7.5 cm |
| Height | 0.5 cm |
| Depth | 9 cm |
| Weight | 0.003 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).
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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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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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