1.According to the TPS1HA08B-Q1 specification, the ambient temperature of its continuous driving current capability of 10A is only 70℃. If calculated synchronously according to the specification parameters, Imax=8.8A @ 85℃
2.The internal resistance and thermal resistance of the TPS1HA08B-Q1 specification are slightly larger. Please help to confirm whether there is a conservative margin for the internal resistance and thermal resistance data in the existing specification? If the TPS1HA08B-Q1 is selected to drive 10A at 85°C, is it feasible and the risk is controllable?
TPS1HA08B-Q1: Rja=32.8℃/W, Ron=20 mΩ@Tj=150℃
3.Customer demand is -40℃~85℃ can drive 10A current continuously. Is there a higher specification high-side switch recommended?