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Pololu Dual VNH5019 Motor Driver Shield for Arduino

Pololu
Manufacturer:
Pololu
Order number:
EXP-R25-015
Manufacturer part number:
2507
Availability:
8

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In stock

Guaranteed shipping date: 18.06.19, if you order within .

€44.95*
Net price: €37.77
Value added tax: €7.18
All prices incl. value added tax
This newer version (ash02b) of our dual VNH5019 motor driver shield replaces the original version. The new version adds pass-throughs for the four new pins on the Arduino Uno R3. Generally speaking, most users should not notice any other differences between the two shield versions; details can be found in this section of the user’s guide. The easiest way to distinguish between the two versions is via the silkscreen in the top left corner, where the new version is labeled ash02b and the original version is labeled ash02a.

This motor driver shield and its corresponding Arduino library make it easy to control two bidirectional, high-power, brushed DC motors with an Arduino or Arduino clone. The board features a pair of robust VNH5019 motor drivers from ST, which operate from 5.5 to 24 V and can deliver a continuous 12 A (30 A peak) per channel, and incorporates most of the components of the typical application diagram on page 14 of the VNH5019 datasheet (629k pdf), including pull-up and protection resistors and FETs for reverse battery protection. It ships fully populated with its SMD components, including the two VNH5019 ICs, as shown in the picture to the right; stackable Arduino headers and terminal blocks for connecting motors and motor power are included but are not soldered in (see the Included Hardware section below).
 
This versatile motor driver is intended for a wide range of users, from beginners who just want a plug-and-play motor control solution for their Arduinos (and are okay with a little soldering) to experts who want to directly interface with ST’s great motor driver ICs. The Arduino pin mappings can all be customized if the defaults are not convenient, and the VNH5019 control lines are broken out along the left side of the board for general-purpose use without an Arduino (see the right connection diagram below). This versatility, along with an option to power the Arduino directly from the shield, sets this board apart from similar competing motor shields.

 
For a lower-power, lower-cost alternative to this shield, please consider the Pololu dual MC33926 motor driver shield, which has a very similar design and can deliver a continuous 3 A per channel.

 

 
Features:
  • Wide operating voltage range: 5.5 – 24 V**
  • High output current: up to 12 A continuous (30 maximum) per motor
  • Motor outputs can be combined to deliver up to 24 A continuous (60 A maximum) to a single motor
  • Inputs compatible with both 5V and 3.3V systems (logic high threshold is 2.1 V)
  • PWM operation up to 20 kHz, which is ultrasonic and allows for quieter motor operation
  • Current sense voltage output proportional to motor current (approx. 140 mV/A)
  • Motor indicator LEDs show what the outputs are doing even when no motor is connected
  • Can be used with an Arduino or Arduino clone (through shield headers) or other microcontroller boards (through 0.1″ header along the left side)
  • When used as a shield, the motor power supply can optionally be used to power the Arduino base as well
  • Arduino pin mappings can be customized if the default mappings are not convenient
  • Arduino library makes it easy to get started using this board as a motor driver shield
  • Detailed user’s guide
  • Reverse-voltage protection
  • Robust drivers:
    • Can survive input voltages up to 41 V
    • Undervoltage and overvoltage shutdown
    • High-side and low-side thermal shutdown
    • Short-to-ground and short-to-Vcc protection
  • ** While the overvoltage protection typically kicks in at 27 V, it can trigger at voltages as low as 24 V, so we do not recommend using this motor driver with 24 V batteries, which significantly exceed 24 V when fully charged. If the shield is configured to power an Arduino or Arduino clone, the supply voltage must conform to that Arduino’s input voltage requirements.
Dimensions:
  • Size: 2.56″ × 2.02″ × 0.38″1
  • Weight: 18 g1
Specification:
  • Motor driver: VNH5019
  • Motor channels: 2
  • Minimum operating voltage: 5.5 V
  • Maximum operating voltage: 24 V2
  • Continuous output current per channel: 12 A
  • Peak output current per channel: 30 A
  • Current sense: 0.14 V/A
  • Maximum PWM frequency: 20 kHz
  • Reverse voltage protection?: Y
Notes:
  • 1. Without included hardware.
  • 2. Not recommended for use with 24V batteries.
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