DRV2605LYZFR

Product Overview

Category: Integrated Circuit (IC)

Use: Haptic Driver

Characteristics: - Low power consumption - Wide voltage range - I2C interface for communication - Programmable waveform generation - Efficient motor control

Package: LFCSP (Lead Frame Chip Scale Package)

Essence: DRV2605LYZFR is a haptic driver IC used to control and drive haptic actuators, such as vibration motors or piezo actuators, in various electronic devices.

Packaging/Quantity: The DRV2605LYZFR is available in a small LFCSP package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.5V to 5.2V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Motor Drive Output: Up to 300mA
• Waveform Memory: 123 bytes
• Built-in Library: Over 100 licensed effects

Pin Configuration

The DRV2605LYZFR has a total of 16 pins. Here is the detailed pin configuration:

1. VBAT: Power supply input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. IN/TRIG: Input or trigger signal
6. MODE: Mode selection pin
7. PWMIN: PWM input
8. VDD: Power supply output
9. VMID: Mid-rail voltage reference
10. OUT: Haptic actuator output
11. BRT: Brightness control
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

1. Waveform Generation: The DRV2605LYZFR can generate a wide range of haptic waveforms, including vibrations, clicks, and bumps, allowing for versatile haptic feedback in electronic devices.
2. Programmability: It offers programmable features such as amplitude control, frequency control, and waveform sequencing, enabling customization of haptic effects.
3. Motor Control: The IC provides efficient motor control, ensuring precise and reliable haptic feedback.
4. I2C Interface: The I2C interface allows easy communication with microcontrollers or other devices, simplifying integration into various systems.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - Wide voltage range compatibility enables usage in different electronic devices. - Programmable waveform generation allows for unique and tailored haptic effects. - Efficient motor control ensures accurate and consistent haptic feedback.

Disadvantages: - Limited waveform memory may restrict the complexity of haptic effects. - Requires additional external components (haptic actuators) for complete functionality.

Working Principles

The DRV2605LYZFR operates by receiving commands through the I2C interface from a microcontroller or host device. These commands specify the desired haptic effect parameters, such as waveform type, amplitude, and duration. The IC then generates the corresponding drive signals to control the connected haptic actuator, resulting in the desired haptic feedback.

Detailed Application Field Plans

The DRV2605LYZFR finds applications in various electronic devices that benefit from haptic feedback, including but not limited to: - Mobile phones and tablets - Gaming consoles and controllers - Wearable devices - Automotive infotainment systems - Medical devices - Virtual reality (VR) and augmented reality (AR) devices

Detailed and Complete Alternative Models

1. DRV2604LYZFR: Similar to DRV2605LYZFR but with a reduced feature set.
2. DRV2603LYZFR: Lower-cost alternative with basic haptic functionality.
3. DRV2667YZFR: Piezo haptic driver IC for piezo actuators.

These alternative models offer different features and price points, allowing designers to choose the most suitable option based on their specific requirements.

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