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Dual MC33926 Motor Driver Carrier
This dual brushed DC motor driver, based on Freescale’s MC33926 full H-bridge, has a wide operating range of 5 V to 28 V and can deliver almost 3 A continuously (5 A peak) to each of its two motor channels. The MC33926 works with 3 V to 5 V logic levels, supports ultrasonic (up to 20 kHz) PWM, and features current feedback, under-voltage protection, over-current protection, and over-temperature protection.
| Description | Specs (12) | Pictures (6) | Resources (4) | FAQs (0) | On the blog (2) |
|---|
Dimensions
| Size: | 1.10" x 1.8"1 |
|---|---|
| Weight: | 0.25 oz |
General specifications
| Motor driver: | MC33926 |
|---|---|
| Motor channels: | 2 |
| Minimum operating voltage: | 5 V2 |
| Maximum operating voltage: | 28 V3 |
| Continuous output current per channel: | 2.5 A4 |
| Current sense: | 0.525 V/A |
| Maximum PWM frequency: | 20 kHz5 |
| Minimum logic voltage: | 2.5 V |
| Maximum logic voltage: | 5.5 V |
| Reverse voltage protection?: | Y6 |
Notes:
- 1
- Without included hardware
- 2
- Operation from 5 V to 8 V reduces maximum current output.
- 3
- The device is protected for transients up to 40 V.
- 4
- Can be improved by addition of heat sink or forced air flow.
- 5
- SLEW pin should be HIGH for frequencies above 10 kHz.
- 6
- On motor voltage only; logic voltage does not have reverse protection.
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