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TPS62060: Current limit and the operation after current limit reached

Part Number: TPS62060
Other Parts Discussed in Thread: TPS62097

Hi all

Would you minf if we ask TPS62060?

<Question1>
There is the description as follows on the datasheet P8;
"During soft start, the switch current limit is reduced to 1/3 of its nominal value I LIMF until the output voltage reaches 1/3 of its nominal value.
Once the output voltage trips this threshold, the device operates with its nominal current limit I LIMF"

We would like to confirm "the output voltage reaches 1/3 of its nominal value".
Does it mean Vref(600mV)? So, it means 200mV(600mV / 3)?

<Question2>
After current limit reached, we guess that device will stops outputting.
Maybe, it will hiccup, right?
How much is the cycle of hiccup operation?

Kind regards,

Hirotaka Matsumoto



  • Yes, since the output voltage is sensed at FB, we use 200 mV as the FB pin voltage.

    No, there is no hiccup in this device. It will continue operating in current limit.

    As well, this device is old. The TPS62097 is more efficient and with hiccup current limit.