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Hi team,
could you help on the following questions:
thanks
Hi Hazel,
The current protection: TPS62170-Q1 would never shutdown due to over current, it would decrease its output voltage to limit the output current.
The current limitation is realized through cycle by cycle detection of the inductor current.
You can find more description in the datasheet.
The thermal protection: TPS62170-Q1 would shutdown immediately as soon as it detected its temperature exceeds the thermal shutdown temperature(typ. 160C).
No multiple tests since it has the hysteresis already. the Time requirement before shutdown is just the internal circuit delay with in several ns. We don't have exact data here.
The recovery time is mainly decided by the soft start time, which is typically { 50us+Vout / (25 mV/µs) }.