DRV8662
Features
- High-Voltage Piezo Haptic Driver
- Drives up to 100 n F at 200 VPP and 300 Hz
- Drives up to 150 n F at 150 VPP and 300 Hz
- Drives up to 330 n F at 100 VPP and 300 Hz
- Drives up to 680 n F at 50 VPP and 300 Hz
- Differential Output
- Integrated Boost Converter
- Adjustable Boost Voltage
- Adjustable Current Limit
- Integrated Power FET and Diode
- No Transformer Required
- Fast Start Up Time of 1.5 ms
- Wide Supply Voltage Range of 3.3 V to 5.5 V
- 1.8 V patible Digital Pins
- Thermal Protection
- Available in a 4 mm × 4 mm × 0.9 mm QFN package (RGP)
2 Applications
- Mobile Phones
- Tablets
- Portable puters
- Keyboards and Mice
- Touch Enabled Devices
3 Description
The DRV8662 is a single-chip piezo haptic driver with integrated 105 V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both high-voltage and low-voltage piezo haptic actuators. The input signal can be either differential or...
