DRV2605LTDGSRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: Haptic Driver for ERM/LRA Actuators

Characteristics: - Low voltage, I2C compatible - Wide input voltage range: 2.0V to 5.2V - Drive voltage up to 5.7V peak-to-peak - Automatic resonance tracking - Real-time playback mode - Built-in library of haptic effects - Small package size: 10-bump WLCSP (Wafer Level Chip Scale Package) - RoHS compliant

Package and Quantity: DRV2605LTDGSRQ1 is available in a 10-bump WLCSP package. The quantity per package may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2.0V to 5.2V
• Output Voltage Range: 0V to 5.7V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Dimensions: 1.5mm x 1.5mm x 0.6mm
• Weight: Approximately 0.002 grams

Pin Configuration

The DRV2605LTDGSRQ1 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Power supply voltage input | | 2 | GND | Ground | | 3 | SDA | I2C data line | | 4 | SCL | I2C clock line | | 5 | PWM | PWM input for external waveform playback | | 6 | IN/TRIG | Input or trigger for internal waveform playback | | 7 | MODE | Mode selection input | | 8 | VBAT | Battery voltage input for automatic resonance tracking | | 9 | OUT | Haptic driver output | | 10 | NC | No connection |

Functional Features

• Automatic Resonance Tracking (ART): Adjusts the drive frequency to match the mechanical resonance of the actuator, optimizing haptic performance.
• Real-Time Playback Mode: Allows dynamic control of haptic effects in real-time, enabling interactive user experiences.
• Built-in Library of Haptic Effects: Offers a wide range of pre-defined haptic effects, simplifying the implementation of haptic feedback in various applications.
• Low Power Consumption: Optimized power management features ensure efficient operation and longer battery life.
• I2C Interface: Enables easy integration with microcontrollers and other digital devices.

Advantages and Disadvantages

Advantages: - Small package size allows for compact designs. - Wide input voltage range provides flexibility in power supply options. - Automatic Resonance Tracking improves haptic performance. - Real-Time Playback Mode enables interactive haptic experiences. - Built-in library of haptic effects simplifies implementation.

Disadvantages: - Limited pin count may restrict the number of external components that can be connected directly.

Working Principles

The DRV2605LTDGSRQ1 is a haptic driver IC designed to control ERM (Eccentric Rotating Mass) and LRA (Linear Resonant Actuator) actuators. It utilizes an I2C interface to communicate with a microcontroller or other digital device. The IC generates drive signals that produce vibrations or tactile feedback through the connected actuator.

The Automatic Resonance Tracking feature adjusts the drive frequency to match the mechanical resonance of the actuator, maximizing its efficiency and performance. The Real-Time Playback Mode allows dynamic control of haptic effects, enabling interactive user experiences. The built-in library of haptic effects provides a variety of pre-defined waveforms, simplifying the implementation of haptic feedback in different applications.

Detailed Application Field Plans

The DRV2605LTDGSRQ1 is widely used in various applications that require haptic feedback, including but not limited to: - Mobile devices (smartphones, tablets) - Gaming consoles and controllers - Wearable devices (smartwatches, fitness trackers) - Automotive infotainment systems - Industrial control panels - Medical devices - Virtual reality (VR) and augmented reality (AR) devices

Alternative Models

Here are some alternative models that offer similar functionality to the DRV2605LTDGSRQ1: - DRV2604LTDGSRQ1 - DRV2603LTDGSRQ1 - DRV2602LTDGSRQ1 - DRV2601LTDGSRQ1

These alternative models can be considered based on specific requirements and design considerations.

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