Dual Full-Bridge Piezo Driver with 900mA Boost Converter Features: 2.7V to 10V Input Voltage Range 900mA Boost Converter Dual Full-Bridge Piezo Drivers Programmable Switching Frequency from 500kHz to 2.25MHz Synchronizable Up to 2.5MHz Soft-Start Separate Enable for Each Piezo Driver and Boost Converter Available in a 4mm × 4mm 20-Pin QFN Package