MD04 - 24Volt 20Amp H Bridge Motor Drive
Devantech
Overview
The MD04 is a medium power motor driver, designed to supply power beyond that of any of the low power single chip H-Bridges that exist. Main features are ease of use and flexibility. The motor's power is controlled by Pulse Width Modulation (PWM) of the H-Bridge at a frequency of 15khz. Maximum voltage on the H-Bridge is 60v allowing Motor voltages up to 24vdc. Control of the module can be any of:
- I2C bus, up to 8 MD04 modules at unique addresses.
- 0v-2.5-5v analog input. 0v full reverse, 2.5v center stop, 5v full forward
- 0v-5v analog input with separate direction control
- RC mode. Controlled directly from the RC receiver output.
- PWM. A simple on board filter means you can use a 0%-100% at frequencies above 20khz
- Serial communication at TTL (5V) levels
Technical data
| MD04 | |
|---|---|
| Voltage | 8v - 24v |
| Current | up to 20A |
| Temperature limiter | Reduces power gracefully if module overheats |
| Size | 113mm x 52mm x 30mm |
General usage and wiring considerations
The MD04 can handle high currents, and you will need to take a few precautions with wiring. It is very important that you do not allow motor current to flow in the logic ground path. Don't assume that just because the Battery, MD04 and Controller grounds are all together, that all is well. If at all possible, usetwo batteries, one for the logic and and the other for the motor power. Don't connect the battery grounds together, that is already done on the MD04. If you do, then you will only create a ground loop - and problems. The diagram below shows the general idea on keeping the logic and power sides electrically and physically separate from each other.
Dimensional drawing
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Manufacturer's data
Product information for: MD04 H-Bridge - Motor driver
Publishing date (date of last technical specification): 2016-02-17
Length: 113 mm
Width: 50 mm
Weight: 130 g
Shipping weight: 230 g
Manufacturer: Devantech
Brand: ROBOT ELECTRONICS
Article number: DEV-MD04
Manufacturer's part number: MD04
The article MD04 H-Bridge - Motor driver is listed in the following categories:
Drives > Motor control
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Available for immediate delivery while stock lasts. No dispatch during the company holiday from 23/12/2022 to 08/01/2021.
2 in stock
updated: 05.01.2023
Information on currency
EUR 68.98 = GBP 58.98
EUR 57.97 = GBP 49.57
(€1=GBP0.85505)
EUR 68.98 = USD 78.97
EUR 57.97 = USD 66.36
(€1=USD1.1448)
EUR 68.98 = CAD 99.44
EUR 57.97 = CAD 83.57
(€1=CAD1.4416)
EUR 68.98 = AUD 108.23
EUR 57.97 = AUD 90.95
(€1=AUD1.5690)
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About ROBOT ELECTRONICS
ROBOT ELECTRONICS is a brand by English manufacturer Devantech Ltd., based in Norfolk. Product range comprises sensors, in particular ultrasonic or compass, servocontrollers as well as small robot drive systems or relay modules with various interfaces. Sensors are produced in England and are of consistently high quality.
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