The Boardoza DRV2605L Haptic Driver Breakout Board is based on the Texas Instruments DRV2605L, a powerful and intelligent haptic motor driver designed specifically for ERM (Eccentric Rotating Mass) and LRA (Linear Resonant Actuator) vibration motors. Unlike simple on/off motor drivers, the DRV2605L integrates a built-in waveform library and smart-loop control engine to generate advanced vibration effects such as clicks, double-clicks, ramps, buzz patterns, and audio-synchronized feedback.
Unlike standard motor drivers for DC or stepper motors, the DRV2605 is optimized for ERM (Eccentric Rotating Mass) and LRA (Linear Resonant Actuator) motors. It communicates via I²C, allowing you to configure, chain, and trigger complex vibration patterns directly from your microcontroller. This breakout board is ideal for wearables, game controllers, touch interfaces, mobile devices, assistive systems, and any project that requires professional-grade haptic feedback.
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- I²C-Controlled Digital Playback Engine: Includes a waveform sequencer for flexible haptic pattern generation.
- Real-Time Playback Options: Supports control via I²C, PWM, or analog input.
- Dual Drive Modes: Operates in open-loop (ERM) and closed-loop (LRA) configurations.
- Smart-Loop™ Control: Provides automatic overdrive and braking for optimized performance.
- Automatic Resonance Tracking: Includes actuator diagnostics for LRA operation.
- Automatic Level Calibration: Ensures consistent output performance.
- Battery Voltage Compensation: Maintains stable operation under varying supply conditions.
- Differential H-Bridge Output: Features OUT+ and OUT− for driving actuators.
Model: DRV2605L
Manufacturer: Boardoza
Manufacturer IC: Texas Instruments
Device Type: Haptic Driver IC
Functions: Smart Haptic Motor Driver
Input Voltage (VDD): 2.0V – 5.2V
Interface: I²C (Standard & Fast Mode, up to 400kHz)
Control Input (IN/TRIG): PWM / Analog / External Trigger (Selectable)
Supported Actuators:
- ERM (Eccentric Rotating Mass) – Open-Loop Drive
- LRA (Linear Resonant Actuator) – Closed-Loop with Auto Resonance Tracking
Playback Modes:
- Internal ROM Waveform Library
- RAM-Based Custom Waveform Sequencing
- Real-Time Playback (RTP) Mode
- Audio-to-Vibe Mode
Drive Output: Differential H-Bridge (OUT+, OUT−)
Auto Features:
- Automatic Overdrive & Braking
- Automatic Resonance Tracking (LRA)
- Automatic Level Calibration
- Actuator Diagnostics
Operating Temperature: -40°C to +150°C
Board Dimensions: 20mm x 20mm
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Supply Input (2.0V – 5.2V DC) |
| 2 | IN | Multi-mode Input (PWM / Analog / Trigger). Connect to GND if unused |
| 3 | SCL | I²C Serial Clock |
| 4 | SDA | I²C Serial Data |
| 5 | GND | Ground |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT+ | Positive Differential Output |
| 2 | OUT− | Negative Differential Output |
- V1.0.0 - Initial Release
- If you have any questions or need support, please contact support@boardoza.com
This repository contains both hardware and software components:
All hardware design files are licensed under Creative Commons Attribution-ShareAlike 4.0 International License.
All software and firmware are licensed under BSD 3-Clause License.