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Pololu High-Power Motor Driver 18v25 CS
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The compact 1.8×1.2-inch board supports a wide 5.5 to 30 V voltage range and is efficient enough to deliver a continuous 25 A without a heat sink. This version outputs an analog voltage proportional to the motor current, and an extra control input allows for coasting in addition to the driving and braking offered by the other Pololu high-power motor drivers.
| Description | Specs (11) | Pictures (4) | Resources (4) | FAQs (1) | On the blog (1) | Distributors (35) |
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File downloads
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IRLR8743PbF Datasheet (378k pdf)
Datasheet for the IRLR8743PbF DPAK MOSFET.
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Allegro ACS714 current sensor datasheet (701k pdf)
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High-Power Motor Driver CS drill guide (26k dxf)
This DXF drawing shows the locations of all of the board’s holes. (DXF applies to the 18v25, 24v23 and 36v20 High-Power Motor Driver CS boards)
Recommended links
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Active Magnetic Bearing: Tripod Floater v2.0
Meindert Norg from Norg Consulting (www.NorgConsulting.com) demonstrates his active magnetic bearing, Tripod Floater. The closed-loop system uses three Pololu 18v15 high-power motor drivers as PWM amplifiers to power the magnetic coils that keep the module floating beneath the metal plate. By Meindert Norg, August, 2009. February, 2010 update: the Tripod Floater is now wireless! Version 2.2 video
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