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- Motor channels: 1
- Maximum PWM frequency: 40 kHz
- Operating voltage: 5.5 V - 50 V
- Continuous output current per channel: 20 A
The Pololu 20A, 5.5 - 50V Single Motor Controller is a discrete MOSFET H-bridge designed to drive large DC brushed motors. The H-bridge is made up of one N-channel MOSFET per leg, and most of the board's performance is determined by these MOSFETs (the rest of the board contains the circuitry to take user inputs and control the MOSFETs). The board has an absolute maximum voltage rating of 50 V. The 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 44 V.
- Dimensions: 1.8" x 1.2"
- Weight: 7 g