DRV8243-Q1, DRV8244-Q1, DRV8245-Q1 provides 3 variants- H,S and P.
In H-Variant(HW interface), nSLEEP pin requires external pulse input. It should be 20us-40us pulse to wake the parts.
20us-40us is MUST have. It is required to clear fault and to escape from sleep state. Without this pulse input at nSLEEP pin, DRV cannot wake up.