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Piezo Haptic Driver with Boost, Digital Front End, and Internal Waveform Memory

Inventory: 1,500

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Packaging information

Package | Pins VQFN (RGP) | 20
Operating temperature range (°C) I (-40 to 85)
Package qty | Carrier: 250 | SMALL T&R
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Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-4-260C-72 HR
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • Integrated Digital Front End
    • Up to 400-kHz I2C Bus Control
    • Advanced Waveform Synthesizer
    • 2-kB Internal Waveform Memory
    • 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
    • Programable 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

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The DRV2667 device is a piezo haptic driver with integrated 105-V boost switch,integrated power diode, integrated fully-differential amplifier, and integrated digital front endcapable of driving both high-voltage and low-voltage piezo haptic actuators. This versatile devicesupports HD haptics through the I2C port or through the analog inputs.

The digital interface of the DRV2667 device is available through anI2C-compatible bus. A digital interface relieves the costly processorburden of the PWM generation or additional analog channel requirements in the host system. Anywrites to the internal FIFO will automatically wake up the device and begin playing the waveformafter the 2-ms internal startup procedure. When the data flow stops or the FIFO under-runs, thedevice will automatically enter a pop-less shutdown procedure.

The DRV2667 device also includes waveform memory to store and recall waveforms withminimal latency as well as an advanced waveform synthesizer to construct complex haptic waveformswith minimal memory usage. This provide a means of hardware acceleration, relieving the hostprocessor of haptic generation duties as well as minimizing bus traffic over the hapticinterface.

The boost voltage is set using two external resistors, and the boost current limit isprogrammable through the REXT resistor. A typical start-up time of 2 msmakes the DRV2667 an ideal piezo driver for fast haptic responses. Thermal overload protectionprevents the device from being damaged when overdriven.

Qty Price
1-99 $3.538
100-249 $2.885
250-999 $2.267
1,000+ $1.923

Alternative carriers

Part number DRV2667RGPR
Package qty | Carrier 3,000 | LARGE T&R
Custom reel may be available
Inventory 7,086
Qty | Price (USD) 1ku | $1.672