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drv2624: abnormal waveform of DRV2624 on DRV2624EVM

Part Number: DRV2624

Team,

Can you check below question with attached waveform?

This is the question which is related with over drive output waveform with DRV 2624 EVM Kit _ Haptics Control Console Tool.

 After customer input the over voltage, they measured the waveform but there was waveform which is below the Rated Voltage.

Q1) Why is there low voltage operation period?

Q2) Is the waveform(Low voltage period) correct condition for normal Overvoltage operation ?

   

 TI Driver IC DRV 2624 EVM OverDrive Wave_180323.pptx