Drive.DC.H
11V/2A H-bridge DC-motor driver
The Drive.DC.I is a single-channel H-bridge motor driver built around the DRV8214. It can deliver up to 4 A peak (2 A RMS continuous) and operates from a 1.65 V to 11 V supply, making it suitable for a wide range of small brushed DC motors in robotics, haptics, and actuation applications.
The DRV8214 features sensorless ripple counting, which tracks motor commutation ripples in the current waveform to determine relative position and speed — eliminating the need for external encoders. Integrated speed regulation maintains constant motor speed across varying supply voltages, while voltage regulation allows driving the motor at a programmable lower terminal voltage to save energy.
Motor speed can be controlled via either PWM at frequencies up to 200 kHz or via the I2C interface, which is also used for register-based configuration and diagnostics, including soft-start/stop, stall detection, and various limits.
Product Info
- Status
- Beta
- In Stock
- 21
- Pricing
Qty Each 1+ $14.00 10+ $12.60 50+ $11.90
Technical Summary
Resources & Links
- Datasheet
- Download PDF
- JSON Tile Definition
- v0.7 (Feb 16, 2026)
- Drivers
- GitHub
- Discussion
- Discord
Application Notes
Integrated Current Sensing
Integrated current sensing via an internal current mirror provides an analog output (NPROP) proportional to load current, with selectable gain for accurate sensing down to 10 mA. Current regulation limits motor current autonomously during stall or high-load events.
Pad Assignments
| Pad | Type | Function | Note | |
|---|---|---|---|---|
| 1 | ⏻ | GND | ||
| 2 | D | EN | ||
| ↳ | D | IN1 | ||
| 3 | D | PH | ||
| ↳ | D | IN2 | ||
| 4 | I2C | CLK | ||
| 5 | I2C | DAT | ||
| 6 | A | NPROP | analog current output proportional to motor current | |
| 7 | OUT1 | |||
| 8 | OUT2 | |||
| 9 | ⏻ | VM | 1.8-11V drive supply | |
| 10 | ⏻ | V+ | 1.8-5.0V |
I2C
I2C- Mode
- slave
- Max Clock
- —
- Addresses
- 0x34(default), 0x30-0x38
- Format
- —
| Function | Required | Pad(s) |
|---|---|---|
| I2C.CLK | Yes | 4 |
| I2C.DAT | Yes | 5 |
Development Product — This is an electronic development module intended for evaluation, prototyping, and integration into other designs by qualified engineers and developers. It is not a finished consumer product and has not been independently certified for FCC, CE, UL, or other regulatory compliance. The integrator of this module into a finished product is responsible for obtaining all necessary certifications. Not intended for use in life-support systems, safety-critical applications, or any application where failure could result in personal injury or property damage. See our Terms of Sale for full details.