Can the DRV8662 be used to drive a piezo buzzer as an alarm?
The traditional alarm circuit uses an inductor or auto transformer in parallel with the piezo buzzer to resonate and generate a high voltage.
Is the DRV8662 a suitable alternative?
See the schematic at the top of page 6 for the existing approach to driving the piezo buzzer:
http://www.diodes.com/datasheets/ZSD100.pdf
See also the schematic:
http://www.quasarelectronics.co.uk/kit-files/electronic-kit/3015.pdf
The question is whether the TI IC can replace the T1 autotransformer which is a physically large part?
