DRV2604 Haptic Driver for ERM and LRA With Internal Memory and Smart-Loop Architecture

1 Features

Flexible Haptic/Vibra Driver
- LRA (Linear Resonance Actuator)
- ERM (Eccentric Rotating Mass)
I²C Controlled Digital Playback Engine
- Internal RAM for Waveform Storage
- Real-Time Playback Mode through I²C
Smart-Loop Architecture⁽¹⁾
- Automatic Overdrive/Braking (ERM/LRA)
- Automatic Resonance Tracking (LRA)
- Automatic Actuator Diagnostic (ERM/LRA)
- Automatic Level Calibration (ERM/LRA)
Immersion TouchSense® 3000 Compatible
Optional PWM Input with 0% to 100% Duty Cycle Control Range
Optional Analog Input Control
Optional Hardware Trigger Pin
Efficient Output Drive
Fast Startup Time
Constant Acceleration Over Supply Voltage
1.8-V Compatible, V_DD-Tolerant Digital Pins ⁽¹⁾

1. Patent pending control algorithm