DRV2604L

Product Folder Order Now Technical Documents Tools & Software Support & Community DRV2604L SLOS866F – MAY 2014 – REVISED MARCH 2018 DRV2604L 2- to 5.2-V Haptic Driver for LRA and ERM with Internal Memory and Smart-Loop Architecture 1 Features 1 Flexible Haptic and Vibration Driver – LRA (Linear Resonance Actuator) – ERM (Eccentric Rotating Mass) I2C-Controlled Digital Playback Engine – Waveform Sequencer and Trigger – Real-Time Playback Mode through I2C – Internal RAM for Customized Waveforms – I2C Dual-Mode Drive (Open and Closed Loop) Smart-Loop Architecture (Patent Pending Control Algorithm) – Automatic Overdrive and Braking – Automatic Resonance Tracking and Reporting (LRA Only) – Automatic Actuator Diagnostic – Automatic Level Calibration – Wide Support for Actuator Models Immersion TouchSense® 3000 Compatible Drive Compensation Over Battery Discharge Wide Voltage Operation (2 V to 5.2 V) Efficient Differential Switching Output Drive PWM Input with 0% to 100% Duty-Cycle Control Range Hardware Trigger Input Fast Startup Time 1.8-V Compatible, VDD-Tolerant Digital Interface 2 Applications Mobile Phones Tablets 3 Description The DRV2604L device is a low-voltage haptic driver that provides a closed-loop actuator-control system for high-quality tactile feedback for ERM and LRA. This schema helps improve actuator performance in terms of acceleration consistency, start time, and brake time and is accessible through a shared I2C compatible bus or P...