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Piezo actuators excite stimulation range between 1Hz and 1000Hz

18th September 2017

Mick Elliott

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Datasheet

The PowerHap piezo actuators from TDK EPCOS are in stock at Mouser Electronics. These new piezo actuators with integrated sensor functionality feature exceptional acceleration, force and response time performance to offer quality haptic feedback for Human-Machine Interfaces (HMIs) in vehicles, smartphones and tablets, household appliances, ATMs and vending machines, game controllers, industrial equipment and medical devices.

The actuators are based on multilayer piezo plates with cost effective copper inner electrodes, which allow designers to drive the actuators with relatively low operating voltages up to 120V.

Unlike conventional electromagnetic solutions, PowerHap actuators can excite the entire stimulation range between 1Hz and 1000Hz.

As a result, the actuators have no significant frequency or amplitude limitations for customised haptic feedback.

In this way, the actuator enables designers to develop custom high definition haptic feedback profiles that users expect from HMIs.

The PowerHap actuators are available in three types, each in a RoHS-compatible ceramic body with titanium cymbals for displacement amplification.

The 2.5G type achieves a displacement of up to 35μm and can generate an acceleration of 2.5g forces of up to 5N in a 9x9mm footprint. The 12.7x12.7mm 7G type achieves a displacement of up to 100μm and can generate an acceleration of 7g forces of up to 5N.

The 15G type is a 26x26mm devices that can achieve a displacement of more than 200 μm. and can generate an acceleration of 15g forces of up to 20N.