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The TPS65980 DC/DC switching regulator that receives power from a Thunderbolt™ or Thunderbolt™ 2 power bus ranging from 2.5-V to 15.75-V and generates three separate 3.3-V supply outputs.
The TBT_OUT supply provides power to the local peripheral Thunderbolt™ controller and support circuitry. The CBL_OUT supply provides power back to the Thunderbolt™ cable and has adjustable current limit. The DEV_OUT supply provides power to all other circuitry in the device to perform its designed function.
The TPS65980 is available in a 24-pin
5mm x 4mm x 0.9mm VQFN package.
|Regulated Outputs (#)|
|Vin (Min) (V)|
|Vin (Max) (V)|
|Step-Up DC/DC Converter|
|Step-Down DC/DC Converter|
|Iout (Max) (A)|
|Operating Temperature Range (C)|
Over Current Protection
|-40 to 85|