DRV2605L-Q1 Texas instruments

DRV2605L-Q1

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DRV2605L-Q1

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Описание

The DRV2605L-Q1 device is an automotive haptic driver that includes a haptic-effect library and 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 PWM input signal. The DRV2605L-Q1 device offers a licensed version of TouchSense 2200 software from Immersion which eliminates the requirement to design haptic waveforms because the software includes over 100 licensed effects (6 ERM libraries and 1 LRA library) and audio-to-vibe features. Additionally, the real-time playback mode allows the host processor to bypass the library playback engine and play waveforms directly from the host through I2C. The smart-loop architecture inside the DRV2605L-Q1 device allows simple auto-resonant drive for the LRA as well as feedback-optimized ERM drive allowing for automatic overdrive and braking. The smart-loop architecture creates a simplified input waveform interface as well as reliable motor control and consistent motor performance. The DRV2605L-Q1 also allows for open-loop driving through the use of internally-generated PWM. Additionally, the audio-to-vibe mode automatically converts an audio input signal to meaningful tactile effects. For an important notice regarding Immersion software, see the Legal Notice section.

Qualified for Automotive Applications
AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 2: –40°C to 105°C
- Device HBM ESD Classification Level 1B
- Device CDM ESD Classification Level C6
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
- 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
Licensed Immersion TouchSense^® 2200 Features:
- Integrated Immersion Effect Library
- Audio-to-Vibe
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, V_DD-Tolerant Digital Interface

Haptic actuator type	ERM, LRA
Features	Integrated haptic effects, Smart loop
Input signal	Analog, I2C, PWM
Vs (min) (V)	2
Vs (max) (V)	5.2
Vout (max) (V)	5.5
Peak-to-peak output voltage (max) (V)	10.4
Iq (typ) (mA)	0.5
Shutdown current (ISD) (µA)	4
Startup time (ms)	0.7
Operating temperature range (°C)	-40 to 105
Rating	Automotive