Solenoid & DC Motor Driver Shield for OLEDUINO v2
This power driver shield is designed to drive solenoids or brushed DC motors using the OLEDUINO-V2 platform. The driver can handle peak currents of up to 3.7A and supports a DC supply voltage of up to 24Vdc.
The PWM interface can be used to drive single-coil relays, Dual coil relay, solenoids and DC brushed motor. To actuate a load the driver must supply current in either the forward or reverse state as defined in the PWM control table.
After actuation, the outputs can be disabled (IN1 = IN2 = 0) to place the driver in sleep mode and reduce power consumption. Alternatively, the outputs can be briefly set to brake mode after actuation to suppress back-EMF effects from the relay and prevent current from flowing back into the VM supply node.
When using the DRV8231 device, an external current-sense resistor is required; a 0.22 Ω, 2 W, 1% SMD 2512 resistor is recommended.
Power Supply
The project requires two power supplies: one for the motor (5 V to 24 V DC) and another for the OLEDUINO-V2 (7 V to 12 V DC). The project can also operate with a single power supply when using a 12 V motor. In this case, install a jumper/shunt between VD and VIN (CN2, Pin 1 and Pin 2). Feed 12V to CN1 Pin 1,2.
Connections
- CN1: Pin 1,2 = Motor/Output2, Pin 3,4 = Motor/Output1, Pin 5,6 = VDD 5V to 24V DC, Pin 7,8 = GND
- CN2: Pin 1 = VDD 5V-24V DC, Pin 2 = 7V to 12V to OLEDUINO, Pin 3 = GND
- PR1: Current Limit Adjust
Features
- Load Power Supply 5V to 24V DC (Maximum 33V)
- High output current capability: 3.7-A Peak
- PWM control interface
- Supports 1.8-V, 3.3-V, and 5-V logic inputs
- Integrated IPROPI current sensing for stall detection and current regulation
- Low-power sleep mode
- PCB Dimensions 25.4 x 25.4 mm
Share
This power driver shield is designed to drive solenoids or brushed DC motors using the OLEDUINO-V2 platform. The driver can handle peak currents of up to 3.7A and supports a DC supply voltage of up to 24Vdc.
The PWM interface can be used to drive single-coil relays, Dual coil relay, solenoids and DC brushed motor. To actuate a load the driver must supply current in either the forward or reverse state as defined in the PWM control table.
After actuation, the outputs can be disabled (IN1 = IN2 = 0) to place the driver in sleep mode and reduce power consumption. Alternatively, the outputs can be briefly set to brake mode after actuation to suppress back-EMF effects from the relay and prevent current from flowing back into the VM supply node.
When using the DRV8231 device, an external current-sense resistor is required; a 0.22 Ω, 2 W, 1% SMD 2512 resistor is recommended.
Power Supply
The project requires two power supplies: one for the motor (5 V to 24 V DC) and another for the OLEDUINO-V2 (7 V to 12 V DC). The project can also operate with a single power supply when using a 12 V motor. In this case, install a jumper/shunt between VD and VIN (CN2, Pin 1 and Pin 2). Feed 12V to CN1 Pin 1,2.
Connections
- CN1: Pin 1,2 = Motor/Output2, Pin 3,4 = Motor/Output1, Pin 5,6 = VDD 5V to 24V DC, Pin 7,8 = GND
- CN2: Pin 1 = VDD 5V-24V DC, Pin 2 = 7V to 12V to OLEDUINO, Pin 3 = GND
- PR1: Current Limit Adjust
Features
- Load Power Supply 5V to 24V DC (Maximum 33V)
- High output current capability: 3.7-A Peak
- PWM control interface
- Supports 1.8-V, 3.3-V, and 5-V logic inputs
- Integrated IPROPI current sensing for stall detection and current regulation
- Low-power sleep mode
- PCB Dimensions 25.4 x 25.4 mm
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