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Pololu G2 High-Power Motor Driver 24v21
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 21 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.
Compare all products in Pololu High-Power Motor Drivers or Single-Channel G2 and H2 High-Power Motor Drivers.
| Description | Specs (13) | Pictures (8) | Resources (3) | FAQs (1) | On the blog (1) |
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Dimensions
| Size: | 1.3″ × 0.8″ |
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| Weight: | 5.0 g1 |
General specifications
| Motor channels: | 1 |
|---|---|
| Minimum operating voltage: | 6.5 V |
| Maximum operating voltage: | 40 V2 |
| Continuous output current per channel: | 21 A3 |
| Current sense: | 0.02 V/A |
| Maximum PWM frequency: | 100 kHz |
| Minimum logic voltage: | 1.8 V |
| Maximum logic voltage: | 5.5 V |
| Reverse voltage protection?: | Y |
Identifying markings
| PCB dev codes: | md31b |
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| Other PCB markings: | 0J9488 |
Notes:
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