Pololu G2 High-Power Motor Driver 24v13

Product Code:
2992
£25.44 £21.20

This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 40 V voltage range and is efficient enough to deliver a continuous 13 A without a heat sink

Pololu G2 High-Power Motor Driver 24v13 Pololu G2 High-Power Motor Driver 24v13 Pololu G2 High-Power Motor Driver 24v13
Pololu G2 High-Power Motor Driver 24v13

Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.

The Pololu G2 high-power motor driver is a discrete MOSFET H-bridge designed to drive large brushed DC motors. The H-bridge is made up of one N-channel MOSFET per leg; the rest of the board contains the circuitry to take user inputs and control the MOSFETs. The absolute maximum voltage for this motor driver is 40 V, and higher voltages can permanently destroy the motor driver. Under normal operating conditions, ripple voltage on the supply line can raise the maximum voltage to more than the average or intended voltage, so a safe maximum voltage is approximately 34 V.

The versatility of this driver makes it suitable for a large range of currents and voltages: it can deliver up to 13 A of continuous current with a board size of only 1.3″ × 0.8″ and no required heat sink. The module offers a simple interface that requires as few as two I/O lines while still allowing for your choice of sign-magnitude or locked-antiphase operation. A current sense output gives an indicator of motor current, and the driver can limit the motor current to a configurable threshold. The power supply inputs feature reverse-voltage protection, while integrated detection of various fault conditions helps protect against other common causes of catastrophic failure; however, please note that the board does not include over-temperature protection.

The G2 High-Power Motor Driver 24v13 is a second-generation successor to the original High-Power Motor Driver 24v12 and can be used as a near drop-in replacement in typical applications. 

This version can be distinguished from the 18v17 by the number 100 on top of the tall silver electrolytic capacitor.

Features

  • Operating voltage: 6.5 V to 40 V (absolute maximum)
  • Output current: 13 A continuous
  • Inputs compatible with 1.8 V, 3.3 V, and 5 V logic
  • PWM operation up to 100 kHz
  • Current sense output proportional to motor current (approx. 40 mV/A; only active while H-bridge is driving)
  • Active current limiting (chopping) with default threshold of 30 A (can be adjusted lower)
  • Reverse-voltage protection
  • Undervoltage shutdown
  • Short circuit protection
Size: 13" x 0.8"
Weight 33g¹
Motor channels: 1
Minimum operating voltage: 6.5V
Maximum operating voltage: 40V²
Continuous output current per channel: 13A³
Current sense: 0.04V/A
Maximum PWM frequency 100kHz
Minimum logic voltage: 1.8V
Maximum logic voltage: 5.5V
Reverse voltage protection?: Yes

Notes:

¹ Without included connectors

²Absolute maximum; higher voltages can permanently destroy the motor driver. Recommended maximum is approximately 34 V, which leaves a safety margin for ripple voltage on the supply line.

³ Typical results with 100% duty cycle at room temperature

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