Preventing Shoot Through Current in an H Bridge
Shoot through current usually leads to catastrophic damage in an H Bridge. Shoot through happens when both the High Side and Low Side Power MOSFETs or IGBTs are ON at the same time.
Even in well-designed systems logic propagation, delays and MOSFET gate capacitances can create a situation where both the High and Low Side devices are concurrently switched ON. When this condition occurs the current flows directly to ground and bypasses the load.