This is a 755-POLOLU High-Power Motor Driver 18v15
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The little 1.3×0.8-inch board supports a wide 5.5 to 30 V voltage range and is efficient enough to deliver a continuous 15 A without a heat sink.
The versatility of this driver makes it suitable for a large range of currents and voltages: it can deliver up to 15 A of continuous current with a board size of only 1.3" by 0.8" and no required heat sink. With the addition of a heat sink, it can drive a motor with up to about 21 A of continuous current. The module offers a simple interface that requires as little as two I/O lines while allowing for both sign-magnitude and locked-antiphase operation. Integrated detection of various short-circuit conditions protects against common causes of catastrophic failure; however, please note that the board does not include reverse power protection or any over-current or over-temperature protection.
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