Piezo Drivers
Bring HD Haptics to Every Form Factor
Powered by our proprietary CapDrive™ Technology, our piezo haptic drivers allow OEMs to easily integrate rich, high-definition tactile effects into any device. From ultra-compact wearables and smartphones to expansive automotive infotainment systems, our technology enhances the user experience while drastically reducing power consumption.
Not sure which one fits your design? Compare the full lineup in our piezo haptic driver IC selection guide and see output voltage, channels, capacitive load and integrated sensing side by side.
CapDrive® Ultra-Low Power Piezo Driver with Advanced Sensing (BOS1921)
Designed for next-gen mobile interactions, this ultra-low-power driver features integrated high-resolution sensing and MIPI I3C to enable seamless button replacement in smartphones and AI glasses.
CapDrive® Ultra-Low Power Piezo Driver (BOS1931)
Delivering the same market-leading energy efficiency as the BOS1921, this driver is optimized for applications that require powerful piezo haptics without the need for integrated sensing.
CapDrive® Powerful Piezo Driver for Automotive Applications (BOS1211)
A scalable, AEC-Q100 qualified high-voltage driver built to power 120V actuators from a 12V supply. Delivers deep, immersive haptic feedback ideal for automotive and industrial workloads.
CapDrive® Powerful Piezo Driver for Automotive with Advanced Sensing (BOS1221)
The advanced evolution of our automotive-grade (AEC-Q100) BOS1211. This next-gen driver expands input compatibility to 9-20V and refines sensing capabilities for superior safety alerts and infotainment.
CapDrive® Multi-Channel, Ultra-Low Power Piezo Driver For Mobile Devices (BOS0614)
A versatile four-channel powerhouse capable of driving multiple actuators simultaneously. Features Zero Power Sensing to create complex, localized haptic textures for advanced user interfaces.
CapDrive® Ultra-Low Power Piezo Driver (BOS1901)
The legacy CapDrive™ pioneer. This proven ultra-low-power driver offers robust 190 Vpk-pk performance and energy recovery, remaining a reliable choice for established low-power designs.