Customer did a X-ray scan and they found the pin26~28 was damaged under buck/boost mode, but we are unable to capture any over-stress waveform. Also we tried to add +8V Zener on the BOOT pin but pin was still damaged, so the customer is suspecting the pin might be damaged due to high dv/dt.
Could you please check the SW, BOOT, DRV pin be damaged if the dv/dt slew rate is too high?
