TPS65980 Thunderbolt™ Bus Power Power Management IC (PMIC) |

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Thunderbolt™ Bus Power Power Management IC (PMIC)


Special Note

Learn more about Thunderbolt.

Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation in the U.S. and/or other countries


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.


  • Powered From Thunderbolt™ Bus
  • 2.5-V to 15.75-V Input
  • 3.3-V Outputs
  • Cable Power Out Current Limit
  • Thermal Shutdown


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Part number Order Regulated outputs (#) Processor supplier Processor name Vin (Min) (V) Vin (Max) (V) Step-up DC/DC controller Step-down DC/DC controller LDO Step-up DC/DC converter Step-down DC/DC converter Iout (Max) (A) Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
TPS65980 Order now 3     Texas Instruments     Thunderbolt Controller     2.5     15.75     0     0     0     0     0     3.5     Eco-mode
Over Current Protection
Power Good
Synchronous Rectification
Thermal Shutdown    
Catalog     -40 to 85     VQFN | 24     24VQFN: 20 mm2: 4 x 5 (VQFN | 24)