Micromechatronics, Inc. (MMech)

www.mmech.com - Ph: 814-861-5688

PiezoDrive Amplifiers

Piezoelectric Drivers

Unlike standard high-voltage amplifiers, PiezoDrive products have been specifically developed to obtain the highest levels of performance from piezoelectric actuators.

Each drive contains a number of proprietary technologies that:

  • reduce noise
  • increase the power bandwidth
  • provide exceptional reliability
  • and allow ease-of-use

PDu100 - Micro Piezo Driver

Piezodrive_PDu100_mediumThe PDu100 is the industry's smallest and lightest driver for piezoelectric actuators. The PDu100 can drive two-wire piezoelectric actuators and benders up to +/-100 V. The PDu100 can also drive three-wire piezoelectric benders and stack actuators up to +100 V. Applications include battery powered robotics, piezoelectric motors, and ultra low-power positioning and manipulation systems.

Key features include:

  • +/-100V Output voltage range for piezo actuators and two-wire benders
  • +100V Output voltage range for stack actuators
  • Bias supply for three-wire bender actuators
  • Output current: 15mA<
  • Supply voltage: 3V to 5.5V
  • Dimensions: 12x13mm (0.5x0.5in)
  • Mass: 0.5 grams (0.018oz)
  • Calculate Power Bandwidth

PDu100B - Miniature Piezo Driver

Piezodrive_PDu100B_mediumThe PDu100B is a complete miniaturized power supply and linear amplifier for driving piezoelectric actuators. The PDu100B provides variable gain and offset, switchable voltage ranges, and the choice between ground referenced or differential inputs and outputs. The PDu100B can drive two-wire piezoelectric actuators and benders up to +/-100V and three-wire piezoelectric benders and stack actuators up to +100V. Applications include piezoelectric valves, motors, pumps and low-power positioning and manipulation systems.

Key features include:

PDu150 - Three Channel Ultra-Low Noise 150V Piezo Driver

PDu150_sm3The PDu150 is a complete miniaturized power supply and ultra-low noise driver for up to three 100V, 120V or 150V piezoelectric stack actuators. Output currents up to 100mA per channel are developed at frequencies up to 80 kHz with exceptionally low noise. The three channels can be connected in parallel to produce an output current of up to 300mA. The noise level of 26uV is typically an order of magnitude better than the best full-size instruments even though the output power is similar. With a peak-to-peak resolution exceeding one part-per-million or 20-bit, the PDu150 exceeds the most demanding requirements in semiconductor machinery, scanning probe microscopy, optics, vibration control, and nanopositioning.

Key features include:

PDu150CL - 150V Piezo Controller with Strain Gauge Feedback

PDu150CL_smFThe PDu150CL combines a high-voltage power supply, precision strain conditioning circuit, feedback controller, and ultra-low noise amplifier (26uV RMS) into a package the size of a credit card. It provides all of the necessary functions for high-resolution open-loop or closed-loop control of piezoelectric actuators with or without integrated strain sensors. The PDu150CL produces up to 300mA of output current at frequencies up to 80 kHz and is protected against short-circuit, average current overload, and excessive temperature. The strain conditioning circuit utilizes a novel bridge driver and amplifier circuit to provide a closed-loop positioning resolution of 0.02% full-scale.

Key features include:

  • Ultra-low Noise: 26uV (1uF Load, 0.03 Hz to 1 MHz)
  • Output Voltage -30 V to +150 V
  • Output Current: 300 mA 
  • Signal Bandwidth: 180 kHz
  • Power Bandwidth: 80 kHz (150 Vp-p)
  • Comprehensive overload protection
  • Dimensions: 89 x 40 x 37 mm (L x W x H)
  • Weight: 80 g
  • Calculate Power Bandwidth

PDm200B - Miniature High Voltage Amplifier (Second Generation)

pdm200b_medThe PDm200B is a complete high-performance power supply and linear amplifier module for driving piezoelectric actuators. The output voltage range can be switched between bipolar or unipolar modes with a range of 100V, 150V, or 200V. Up to +\-400 V can be achieved in the bridged configuration. In the unipolar mode, the negative output range is fixed at -30V for use with stack actuators. Applications include: electro-optics, ultrasound, vibration control, nanopositioning systems, and piezoelectric motors. The PDm200B has exactly the same footprint as its predecessor (PDm200) but provides 20% more power and bandwidth; it also has integrated cooling and contains a more robust protection system.

Key features include:

  • Selectable voltage range from +100V to +/-400V
  • Bipolar or unipolar output
  • Bias supply for 200V bender actuators
  • Signal Bandwidth: 200kHz
  • Power Bandwidth: 63kHz (100Vp-p)
  • Noise: 1mV (1uF load)
  • Peak output current: 300mA
  • Dimensions: 71x38mm (2.8x1.5in)
  • Calculate Power Bandwidth

MX200 - High Performance Voltage Amplifier

MX200_med2 The MX200 is a complete power supply and high-performance linear amplifier module for driving piezoelectric actuators. The MX200 can drive large stack actuators; standard piezoelectric actuators; two wire benders; and three-wire piezoelectric benders requiring a bias voltage. Up to +\-200 V can be achieved in the bridged configuration. Applications include: electro-optics, ultrasound, vibration control, nanopositioning systems, and piezoelectric motors.

Key features include:

  • Selectable output voltage from +100 V to +/-200 V
  • Input voltage from +12 V to +32 V
  • Peak output current: 1 Amp
  • Bias supply for bender actuators
  • Signal Bandwidth: 220 kHz
  • Power Bandwidth: 106 kHz (180 Vp-p)
  • Noise: <350uV (1uF load)
  • Dimensions: 80 x 46 x 31.5 mm (L x W x H)
  • Weight: 95 g
  • Calculate Power Bandwidth

PD200 - 60W Voltage Amplifier

pd200-249wThe PD200 is a high bandwidth, low-noise linear amplifier for driving piezoelectric actuators. The output voltage range is user-selectable from +/-100V to +200V which is suited to stack actuators; standard piezoelectric actuators; and three-wire piezoelectric benders. The output connectors include BNC, screw terminals, LEMO 00, and LEMO 0B so any commercially available piezoelectric actuator can be connected directly.

Key features include:

  • Flexible output voltage range, +/-100V to +200V
  • Up to +/-200V and 120W in bridge mode
  • Up to 10A peak output current
  • Exceptional full power bandwidth, 230 kHz
  • Exceptional signal bandwidth, 680 kHz
  • Less than 800uV RMS noise with a 10uF load
  • Front panel offset voltage adjustment
  • Comprehensive overload protection
  • Front panel monitoring of voltage and current
  • Calculate Power Bandwidth PD200

PX200 - 140W Voltage Amplifier

px200_lgThe PX200 is a high-power low-noise amplifier designed to drive unlimited capacitive loads from DC to 100 kHz. The output voltage range is user-selectable from +/-100V to +200V which provides a high degree of application flexibility. The amplifier will deliver 2 Amps of peak current continuously for sinusoidal operation, or 4 Amps or 8 Amps for applications that require fast step changes. The output connectors include LEMO 00, LEMO 0B, and 4mm Banana Jacks so many commercially available piezoelectric actuators can be directly connected.

Key features include:

  • Flexible output voltage range, +/-100V to +200V
  • Up to +/-200V and 280W in bridge mode
  • Up to 8A peak output current
  • Exceptional full power bandwidth, 55 kHz
  • Exceptional signal bandwidth, 393 kHz
  • Less than 400uV RMS noise with a 10uF load
  • Unlimited capacitive loads
  • Front panel offset voltage adjustment
  • Comprehensive overload protection with shutdown
  • Front panel monitoring of voltage and current
  • Calculate Power Bandwidth PX200

PDUS200 - 200W Ultrasonic Driver and Analyzer

PDUS200_med3The PDUS200 is a complete solution for driving and analyzing ultrasonic actuators. The PDUS200 uses a digital phase-locked loop to provide precision resonance tracking based on the impedance phase angle. A USB interface and desktop application controls the amplifier and plots the relevant signals and variables. Applications include ultrasonic drilling and cutting, medical devices, dental devices, ultrasonic testing, liquid cavitation, and vaporization.

Key features include:

  • Output voltage range +/-100V (Customizable)
  • Peak output current +/-4A
  • Frequency range 1 - 50 kHz
  • Precision resonance tracking based on phase
  • Built in frequency response analysis
  • USB Control and monitoring
  • Programming interface for external software
  • Comprehensive overload protection with shutdown
  • Front panel monitoring of voltage and current

PD32 - 32 Channel Piezo Driver

PD32_640w_medThe PD32 is a high-bandwidth, low-noise amplifier for driving up to 32 piezoelectric actuators. The voltage range is configurable from +50V to +/-140V and includes asymmetric voltage ranges such as -20V to +120V. The PD32 works seamlessly with common multi-channel DAC cards and provides exceptional ease of use and compatibility with programming tools such as LabView and Simulink.

Key features include:

  • Flexible output voltage range, +50V to +/-140V
  • High output current, 150mA per channel
  • Exceptional power bandwidth, 50 kHz
  • Exceptional signal bandwidth, 120 kHz
  • Less than 200uV RMS noise with a 1uF load
  • Less than 400uV RMS noise with a 10uF load
  • Unlimited capacitive loads
  • Seamless integration with multi-channel DAC cards
  • Comprehensive overload protection with shutdown
  •  Calculate Power Bandwidth (Grounded Load)
  •  Calculate Power Bandwidth (Floating Load)

TD250 - Six Channel 250V Amplifier for Driving Piezo Tubes

TD250_640w_medThe TD250 is an ultra-low noise +/-250V amplifier with six channels that can be driven independently, or configured as three channels with non-inverting and inverting outputs, which are ideal for driving piezoelectric tube scanners. The three-channel configuration can also be used to obtain +/-500V with a bridged load.

Key features include:

  • Output voltage range, +/-250V
  • Up to +/-500V in bridge mode
  • 50 mA Peak current
  • Power bandwidth up to 20 kHz
  • High signal bandwidth, 100 kHz
  • Less than 70uV RMS noise with a 100nF load
  • Comprehensive overload protection
  •  Calculate Power Bandwidth

PDX - High-Speed Voltage Amplifiers - DISCONTINUED

piezodrive-pdx-smThe PDX amplifiers are the fastest and most powerful voltage amplifiers available for driving piezoelectric actuators. They are capable of driving large stack actuators at high-speed and with low noise. PDX amplifiers are used in demanding applications such as High-Speed Physics, Scanning Probe Microscopy and Piezoelectric Vibration Control.

Key features include:

  • -30V to 200V Output voltage range
  • Up to 10A peak output current
  • Exceptional full-power bandwidth up to 9.5 kHz
  • Exceptional bandwidth with large capacitive loads
  • Less than 300uV RMS noise with a 10uF load
  • Stable with unlimited capacitive loads
  • Front panel offset voltage adjustment 0V to 200V
  • Comprehensive overload protection
  • External shutdown
  • Front panel monitoring of voltage and current
  • Desktop or rack mounting options
  • Calculate Power Bandwidth PDX150b
  • Calculate Power Bandwidth PDX200b

PDQ - Charge Drives - DISCONTINUED

piezodrive-pdq-smallThe PDQ drives are the first commercially available charge drives for piezoelectric actuators. Charge drives have the unique property that almost eliminates piezoelectric hysteresis. The PDQ series have the same high performance specifications as the PDX series except with charge output.

Key features include:

  • Elimination of actuator hysteresis
  • -30V to 200V Output voltage range
  • 2A peak output current
  • Exceptional full-power bandwidth up to 9.5 kHz
  • Exceptional bandwidth with large capacitive loads
  • Front panel offset voltage adjustment 0V to 200V
  • Comprehensive overload protection
  • External shutdown
  • Front panel monitoring of voltage and current
  • Desktop or rack mounting options
  • Calculate Power Bandwidth (same as PDX150b)
  • Calculate Power Bandwidth (same as PDX200b)

More Information

200 Innovation Blvd. Suite 155
State College, PA 16803, USA
Ph: (814)-861-5688
Fax: (814)-861-1418
contact@mmech.com
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