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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:

  1. I2C bus, up to 8 MD04 modules at unique addresses.
  2. 0v-2.5-5v analog input. 0v full reverse, 2.5v center stop, 5v full forward
  3. 0v-5v analog input with separate direction control
  4. RC mode. Controlled directly from the RC receiver output.
  5. PWM. A simple on board filter means you can use a 0%-100% at frequencies above 20khz
  6. 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.

MD04 Motor driver connections

Dimensional drawing

MD04 Motor driver connections

Download

MD04 documentation


Manufacturer's data

Link to the manufacturer

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

MD04 H-Bridge - Motor driver DEV-MD04

MD04 H-Bridge - Motor driver

from ROBOT ELECTRONICS
Newest specification: 02/2016
EUR 61.98
plus EUR 5.95 shipping costs
Prices incl. VAT
EUR 52.08
plus EUR 5.00 shipping costs
Prices excl. VAT


Article no.: DEV-MD04
More details...
MD25 - 12V 2.8A Dual H-Bridge Motor Driver DEV-MD25

MD25 - 12V 2.8A Dual H-Bridge Motor Driver

from ROBOT ELECTRONICS
Newest specification: 11/2010
EUR 45.98
plus EUR 5.95 shipping costs
Prices incl. VAT
EUR 38.64
plus EUR 5.00 shipping costs
Prices excl. VAT


Article no.: DEV-MD25
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MD49 - 24V 5A Dual H-Bridge Motor Driver DEV-MD49

MD49 - 24V 5A Dual H-Bridge Motor Driver

from ROBOT ELECTRONICS
Newest specification: 11/2010
EUR 58.98
plus EUR 5.95 shipping costs
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EUR 49.56
plus EUR 5.00 shipping costs
Prices excl. VAT


Article no.: DEV-MD49
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MD14 H-Bridge - Motor driver DEV-MD14

MD14 H-Bridge - Motor driver

from ROBOT ELECTRONICS
Newest specification: 10/2014
EUR 54.98
plus EUR 5.95 shipping costs
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EUR 46.20
plus EUR 5.00 shipping costs
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Article no.: DEV-MD14
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MD22 Dual H-Bridge - Motor driver DEV-MD22

MD22 Dual H-Bridge - Motor driver

from ROBOT ELECTRONICS
Newest specification: 10/2014
EUR 54.98
plus EUR 5.95 shipping costs
Prices incl. VAT
EUR 46.20
plus EUR 5.00 shipping costs
Prices excl. VAT


Article no.: DEV-MD22
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Order online now

EUR 61.98 EUR 52.08
Price incl. VAT Price excl. VAT
plus EUR 5.95 shipping costsplus EUR 5.00 shipping costs

Availability

Not in stock. We will obtain the article for you.

Estimated manufacturer's time of delivery: 2-3 days
updated: 06.11.2019

Information on currency

EUR 61.98 = GBP 55.20 EUR 52.08 = GBP 46.39 (€1=GBP0.89068)
EUR 61.98 = USD 71.74 EUR 52.08 = USD 60.28 (€1=USD1.1574)
EUR 61.98 = CAD 94.40 EUR 52.08 = CAD 79.32 (€1=CAD1.5231)
EUR 61.98 = AUD 101.09 EUR 52.08 = AUD 84.94 (€1=AUD1.6310)

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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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