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DRV8662 - Piezo Haptic Driver

Datasheet Summary

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.

Features

  • High-Voltage Piezo Haptic Driver.
  • Drives up to 100 nF at 200 VPP and 300 Hz.
  • Drives up to 150 nF at 150 VPP and 300 Hz.
  • Drives up to 330 nF at 100 VPP and 300 Hz.
  • Drives up to 680 nF 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.

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Datasheet preview – DRV8662

Datasheet Details

Part number DRV8662
Manufacturer Texas Instruments
File Size 1.83 MB
Description Piezo Haptic Driver
Datasheet download datasheet DRV8662 Datasheet
Additional preview pages of the DRV8662 datasheet.

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Full PDF Text Transcription

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DRV8662 SLOS709C – JUNE 2011 – REVISED DECEMBER 2022 DRV8662 Piezo Haptic Driver with Integrated Boost Converter 1 Features • High-Voltage Piezo Haptic Driver – Drives up to 100 nF at 200 VPP and 300 Hz – Drives up to 150 nF at 150 VPP and 300 Hz – Drives up to 330 nF at 100 VPP and 300 Hz – Drives up to 680 nF 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 Compatible Digital Pins • Thermal Protection • Available in a 4 mm × 4 mm × 0.
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