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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.
| Description | Specs (10) | Pictures (4) | Resources (6) | FAQs (1) | On the blog (1) |
|---|
Dimensions
| Size: | 1.3" x 0.8" |
|---|---|
| Weight: | 2.8 g1 |
General specifications
| Motor channels: | 1 |
|---|---|
| Minimum operating voltage: | 5.5 V |
| Maximum operating voltage: | 30 V |
| Continuous output current per channel: | 15 A2 |
| Maximum PWM frequency: | 40 kHz3 |
| Maximum logic voltage: | 5.5 V |
| MOSFET on-resistance (max per leg): | 3.5 mΩ |
| Reverse voltage protection?: | N |
Notes:
- 1
- Without any connectors or through-hole capacitors.
- 2
- Typical results with 100% duty cycle at room temperature. Continuous current can be as high as 21 A if the MOSFETs are kept cool with air flow or a heat sink.
- 3
- Higher frequencies are possible, but duty cycle will be limited by dead time of approximately 3 μs per cycle.
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