See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RGP | 20

Temp:

S (-40 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

DRV2665RGPR


Piezo Haptic Driver with Integrated Boost Converter and Digital Front End

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Texas Instruments DRV2665RGPR

The 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 device is available through an I2C compatible bus. A digital interface relieves the costly processor burden of the PWM generation or additional analog channel requirements in the host system. Any writes to the internal first-in, first-out buffer (FIFO) will automatically wake up the device and begin playing the waveform after the 2 ms internal start-up procedure. When the data flow stops or the FIFO under-runs, the device will automatically enter a pop-less shutdown procedure.

The boost voltage is set using two external resistors, and the boost current limit is programmable through the REXT resistor. A typical start-up time of 2 ms makes the device an ideal piezo driver for fast haptic responses. Thermal overload protection prevents the device from being damaged when overdriven.

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