DRV8662RGPT

Product Overview

Category: Integrated Circuit (IC)

Use: DRV8662RGPT is a high-voltage piezo haptic driver designed for driving piezoelectric actuators in various applications. It provides precise control over the amplitude and frequency of the output waveform, enabling the creation of tactile feedback in electronic devices.

Characteristics: - High-voltage operation - Low power consumption - Small package size - Flexible waveform control - Wide range of applications

Package: DRV8662RGPT is available in a small QFN package, which ensures easy integration into compact electronic devices.

Essence: The essence of DRV8662RGPT lies in its ability to generate precise and customizable vibrations through piezoelectric actuators, enhancing the user experience in electronic devices.

Packaging/Quantity: DRV8662RGPT is typically sold in reels containing 2500 units per reel.

Specifications

• Operating Voltage Range: 4.5V to 5.5V
• Output Voltage Range: -100V to +100V
• Output Current Range: -150mA to +150mA
• Frequency Range: 1Hz to 300kHz
• Package Type: QFN
• Package Dimensions: 3mm x 3mm

Pin Configuration

The DRV8662RGPT IC has the following pin configuration:

1. VDD - Power supply voltage input
2. GND - Ground reference
3. IN - Input for control signals
4. OUT - Output for driving piezoelectric actuators
5. NC - No connection (reserved for future use)
6. EN - Enable pin for turning on/off the device
7. VCOM - Common-mode voltage reference
8. VM - Negative supply voltage input

Functional Features

• Precise control over amplitude and frequency of output waveform
• Adjustable gain for fine-tuning the haptic feedback intensity
• Integrated boost converter for generating high-voltage output
• Low-power shutdown mode for power-saving operation
• Overcurrent and overtemperature protection for device safety

Advantages and Disadvantages

Advantages: - High-voltage operation enables strong and realistic haptic feedback - Flexible waveform control allows customization of tactile effects - Small package size facilitates integration into compact devices - Low power consumption prolongs battery life in portable applications

Disadvantages: - Requires external piezoelectric actuators for complete functionality - Limited to driving piezoelectric actuators, not suitable for other types of actuators

Working Principles

DRV8662RGPT utilizes a boost converter to generate a high-voltage output, which is then applied to the piezoelectric actuator. The input control signals determine the amplitude and frequency of the output waveform, resulting in the desired haptic feedback. The integrated gain control allows fine-tuning of the output intensity.

Detailed Application Field Plans

DRV8662RGPT finds applications in various electronic devices that benefit from tactile feedback, such as: 1. Mobile phones and tablets 2. Gaming consoles and controllers 3. Wearable devices 4. Automotive infotainment systems 5. Medical devices 6. Industrial control panels

Alternative Models

For those seeking alternative options, the following models can be considered: 1. DRV2605LQRGPR - Similar functionality with additional audio-to-haptic conversion capabilities. 2. DRV2604LQRGPR - Lower voltage range but offers similar features at a lower cost. 3. DRV2667PWPR - Provides more advanced haptic effects and supports multiple actuators.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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