MD1730 - Uncategorized Microchip - Free user manual and instructions
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| Type of product | Dual H-Bridge Motor Driver Module |
| Brand | Microchip |
| Model | MD1730 |
| Category | Electronic Module |
| Dimensions | 50 mm x 50 mm x 12 mm |
| Weight | 22 g |
| Power Supply Voltage | 6 V to 24 V DC |
| Peak Current per Channel | 3 A |
| Continuous Current per Channel | 1.5 A |
| Control Interface | PWM, DIR, and brake inputs |
| Logic Level Compatibility | 3.3 V to 5 V |
| Main Functions | Bidirectional speed and direction control for two DC motors or one stepper motor |
| Protection Features | Overcurrent, thermal shutdown, undervoltage lockout |
| LED Indicators | Power and logic status LEDs |
| Connectors | Screw terminals for motor and power, pin headers for control |
| Operating Temperature Range | -20°C to +85°C |
| Storage Temperature Range | -40°C to +125°C |
| Mounting | Four mounting holes for M3 screws |
| Materials | FR-4 PCB, through-hole components |
| Maintenance and Cleaning | Keep dry, clean with soft dry cloth, avoid solvents |
| Safety Warnings | Ensure correct polarity, do not exceed maximum ratings |
| Spare Parts and Repairability | Replacement modules available; no user-serviceable parts except fuse replacement |
| General Information | Free user manual available in PDF from notice-facile.com |
Frequently Asked Questions - MD1730 Microchip
What is the maximum voltage for the MD1730?
The MD1730 accepts a power supply voltage from 6 V to 24 V DC. Exceeding 24 V can damage the module, so always stay within the specified range.
How do I connect the MD1730 to my microcontroller?
Connect the control pins (PWM, DIR, brake) to digital output pins on your microcontroller. The logic inputs are 3.3 V and 5 V compatible, so no level shifter is needed for most boards.
Can the MD1730 drive a stepper motor?
Yes, the MD1730 can drive a bipolar stepper motor by using both H-bridges. Wire the motor coils to the two channel outputs and control step and direction via the PWM and DIR pins.
What is the peak current rating per channel?
The peak current is 3 A per channel, which is useful for brief motor starts and stalls. For continuous operation, keep the current below 1.5 A per channel.
How do I control motor direction with the DIR pin?
Set the DIR pin to a logic high or low to select the motor rotation direction. When the direction changes, the H-bridge reverses the polarity across the motor terminals.
Does the MD1730 have thermal protection?
Yes, the module includes overcurrent protection and thermal shutdown. If the temperature exceeds a safe threshold, the outputs are disabled to prevent damage.
Can I power both the motors and the logic from the same supply?
Yes, you can use a single supply for both motor power and logic power. Just ensure the voltage is within the specified range and the supply can handle the total current.
How do I mount the MD1730?
The MD1730 has four mounting holes that fit M3 screws. Use standoffs or screws to secure it to a chassis or prototyping plate, ensuring proper airflow for cooling.
What is the operating temperature range?
The module operates from -20°C to +85°C. For storage, the range is -40°C to +125°C. Keep it within these limits to ensure reliable performance.
Is the MD1730 compatible with 3.3V logic?
Yes, the control inputs are 3.3 V compatible as well as 5 V. This makes it easy to interface with modern microcontrollers like Raspberry Pi Pico, ESP32, or STM32 boards.
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Product information
Brand : Microchip
Model : MD1730
Category : Uncategorized