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DRV8323: Continuous spark between CPH and CPL pins

Part Number: DRV8323

Hi, I had a fatal problem with DRV8323. Source voltage is 12 volts. I applied 10 kHz pwm with various duty cycles. DRV set to 1xpwm mode and highest idrive current. When i apply the 12 volts to system, spark with some smoke appears on CPH and CPL pins. 

The attached file is my schematic. 

Please help me, thanks a lot.

bldc_driver.pdf