DRV2665

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design DRV2665 SLOS740B – MAY 2012 – REVISED AUGUST 2015 DRV2665 Piezo Haptic Driver with Integrated Boost Converter and Digital Front End 1 Features 1 Integrated Digital Front End – Up to 400-kHz I2C Bus Control – 100-Byte Internal FIFO Interface – Immersion TS5000-Compliant – Optional Analog Inputs 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 105-V Integrated Boost Converter – Adjustable Boost Voltage – Adjustable Boost Current Limit – Integrated Power FET and Diode – No Transformer Required 2-ms Fast Start Up Time 3- to 5.5-V Wide Supply Voltage Range 1.8-V Compatible, VDD Tolerant Digital Pins 2 Applications Mobile Phones Tablets Portable Computers Keyboards and Mice Electronic Gaming Touch Enabled Devices 3 Description The DRV2665 device is a piezo haptic driver with integrated 105-V boost switch, integrated power diode, integrated fully-differential amplifier, and integrated digital front end. This versatile device is capable of driving both high-voltage and low-voltage piezo haptic actuators. The input signal can be driven as haptic packets over the I2C port or through the analog inputs. The digital interface of the DRV2665 device is available through an I2C compa...