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Home » NEWEST Products » New by Manufacturer » Texas Instruments » DRV8662 Piezo Haptic Driver - TI
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Texas Instruments DRV8662 Piezo Haptic Driver
Texas Instruments DRV8662 Piezo Haptic Driver

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TI DRV8662 Piezo Haptic Driver

Texas Instruments DRV8662 Piezo Haptic Driver is a single-chip device with integrated 105V boost switch, integrated power diode, and integrated fully-differential amplifier. TI DRV8662 Piezo Haptic Driver is a versatile device capable of driving both high- and low-voltage piezo haptic actuators. The input signal can be either differential or single-ended. The TI DRV8662 supports four GPIO-controlled gains: 28.8dB, 34.8dB, 38.4dB, and 40.7dB. A typical start-up time of 1.5ms makes the DRV8662 an ideal piezo driver for fast haptic responses. Thermal overload protection prevents the device from being damaged when overdriven.


Features
  • High-Voltage Piezo Haptic Driver
    • Drives up to 100nF at 200 VPP and 300Hz
    • Drives up to 330nF at 100 VPP and 300Hz
    • Drives up to 680nF at 50 VPP and 300Hz
    • 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 3.0 V to 5.5 V
  • 1.8V Compatible Digital Pins
  • Thermal Protection
  • Available in a 4mm × 4mm × 0.9mm QFN package (RGP)
Applications
  • Mobile Phones
  • Portable Gaming
  • Portable Navigation Devices
  • Tablet Devices

Functional Diagram

Functional Diagram

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