Dear Sirs,
Do you know what's the problem with the DRV8662?
DRV8662‘s output is normal on condition of no piezo load,but output abnormal with piezo load
Attached are the waveform with and no piezo load!
SCH is same to the DRV8662EVM schematic
piezo load is 3.7uF
Gain1=Gain2=0
Please help.
Thanks.