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MEMS and Piezoelectric Drive Applications

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Solutions to Drive Haptics, Micropumps, Print Heads and More

High-voltage solutions combine features that enable biasing, signal routing, level translation and amplification while connecting low-voltage control circuits to other high-voltage circuits. Control functions and circuits can vary from simple to complex, from analog to digital circuitry, from FPGAs to microcontrollers.

Different digital interfaces feature simple digital inputs to complex protocols such as SPI and I2C, with data rates up to 10s of MHz. These solutions enable drive, monitoring and control of different loads for a broad range of markets and applications.

Signal routing can vary from simple pass-through to serial-parallel conversion and can accommodate anything from one to more than a hundred signals. Supported voltages typically cover tens to hundreds of volts, with currents typically varying from under 1 mA up to hundreds of mA.

Functional integration includes features that enable measurement and protection (current, voltage, temperature), boost voltage generation, complex control features (signal linearization, offset management, etc.) and more. Drive circuitry can encompass anything as simple as a single discrete device to FET switch arrays, Darlington switch arrays and amplifier arrays.

MEMS and Piezoelectric Solutions

MEMS Drive (Mirrors, Relays, Actuators)

MEMS-based laser beam steering solutions are increasingly prevalent in different markets and applications. Key applications include tracking, projection and scanning as seen in consumer AR/VR devices, automotive HUDs, lighting, LIDAR-supported navigation and systems for scanning and imaging in medical applications. We are working closely with industry partners and clients to help create leading-edge products to deliver on the promise of this rapidly expanding technology.

Applications:

  • Mirrors (laser beam steering)
  • Relays
  • Micropumps
  • Microfluidics

Piezoelectric Pumps and Actuators

Piezo-based devices for pumps and actuators are key components in industrial and medical applications such as micro-positioning and pumps, covering everything from printing to drug delivery solutions. This technology is being adopted more frequently as new materials and devices emerge for haptic technologies, with implications for a variety of markets and applications.

Applications:

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Small-Signal MOSFETs

MOSFET Drivers and Arrays

Low-current MOSFETs intended for voltage regulation, level translation, bypass and protection in systems:

Complementary MOSFET (N and P Channel) Enhancement Mode MOSFET pairs selected for reasonable matching, intended principally for use as drivers in ultrasound and similar applications:

HV Driver Arrays

Provide level translation and high-voltage drive for multiple signals; different digital interfaces include simple digital inputs to more complex protocols available: 

HV Amplifier Arrays

Provide level translation and high-voltage amplification for multiple signals in capacitive-drive applications:

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