DRV2700 Reference Design Circuit | Industrial Piezo Driver Application Circuit

The DRV2700 Industrial Piezo Driver is a single-chip piezo driver with integrated boost switch, power diode and fully differential amplifier. This article mainly introduces the DRV2700 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

DRV2700 features: 100V boost or 1kV flyback configuration; wide supply voltage range: 3 to 5.5V; 4mm x 4mm x 0.9mm VQFN package; 1.8V compatible digital pin

Typical application range of DRV2700: piezoelectric positioning actuator; piezoelectric acoustic driver; piezoelectric inkjet printer; piezoelectric sensor; piezoelectric micropump

DRV2700 Reference Design Application Circuit:

Figure 1 Internal structure of DRV2700

The DRV2700 device is a single-chip piezo driver with an integrated 105-V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both high-voltage and lowvoltage piezo loads. The input signal can The DRV2700 device supports four GPIO-controlled gains: 28.8dB, 34.8dB, 38.4dB, and 40.7dB.

Figure 2DRV2700 reference design

The DRV2700 device is a single-chip piezo driver with an integrated 105-V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both high-voltage and low-voltage piezoelectric loads. Signal can be either differential or single-ended and AC or DC coupled.

DRV2700 Chinese data sheet: Click to download

More schematics and source code popular application circuit: click now

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