Overview
The DRV8662RGPT is a high-voltage piezo haptic driver manufactured by Texas Instruments. It is designed to drive piezoelectric actuators with an integrated boost converter, eliminating the need for an external transformer. This component is particularly suited for applications requiring precise and responsive haptic feedback, such as mobile phones, tablets, and portable gaming devices. Its compact 4mm x 4mm QFN package and advanced features make it a competitive choice in the haptics market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage (Max) | 200 | VPP | Differential output |
| Load Capacitance (Max) | 100 | nF | At 200VPP and 300Hz |
| Supply Voltage | 3.0 - 5.5 | V | Wide operating range |
| Startup Time | 1.5 | ms | Fast response |
| Operating Temperature | -40 to 70 | °C | Industrial-grade |
| Package | 20-QFN (4x4) | - | Compact footprint |
Key Features
- Integrated boost converter for high-voltage output
- Adjustable boost voltage and current limit
- No external transformer required
- Fast startup time of 1.5ms
- Wide supply voltage range (3.0V to 5.5V)
- 1.8V compatible digital pins
- Over-temperature protection
Applications
The DRV8662RGPT is widely used in applications requiring precise haptic feedback, such as mobile phones, tablets, portable gaming devices, and touch-enabled peripherals like keyboards and mice. Its ability to drive high-voltage piezoelectric actuators efficiently makes it ideal for compact and power-sensitive designs.
Q & A
What is the maximum output voltage of the DRV8662RGPT?
The maximum output voltage is 200VPP.
Does the DRV8662RGPT require an external transformer?
No, it includes an integrated boost converter, eliminating the need for an external transformer.
What is the startup time of the DRV8662RGPT?
The startup time is 1.5ms.
What is the operating temperature range?
It operates from -40°C to 70°C.
What is the supply voltage range?
The supply voltage range is 3.0V to 5.5V.
Is the DRV8662RGPT compatible with 1.8V digital pins?
Yes, it is compatible with 1.8V digital pins.
What type of package does the DRV8662RGPT use?
It uses a 20-QFN (4mm x 4mm) package.
What is the maximum load capacitance it can drive?
It can drive up to 100nF at 200VPP and 300Hz.
Does it include over-temperature protection?
Yes, it features over-temperature protection.
What are typical applications for the DRV8662RGPT?
Typical applications include mobile phones, tablets, portable gaming devices, and touch-enabled peripherals.
