Pololu High-Power Motor Driver 24v20
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The little 1.8×0.8-inch board supports a wide 5.5 to 40 V voltage range and is efficient enough to deliver a continuous 20 A without a heat sink.
| Description | Specs (10) | Pictures (4) | Resources (2) | FAQs (1) | On the blog (0) |
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- Some discrete MOSFET based H-bridges are unable to handle a continuously high PWM signal (100% duty cycle). This has to do with bootstrap capacitors not having enough time to charge. Does this bridge allow 100% duty cycle PWM input?
- Yes. The design has an extra charge pump that allows the high-side MOSFETs to stay on indefinitely for 100% duty cycle operation.
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