Infineon PMBus SupIRBuck

PMBus SupIRBuck voltage regulators

Servers, infineonRequirements to optimize efficiency and to address the complex power requirements of CPUs, ASICs and other sophisticated ICs are making active power management a critical design requirement in applications such as datacenter servers, embedded telecoms systems and networking equipment. At the same time, engineers tasked with designing power schemes are expected to keep board space to a minimum while reducing the time between initial concept and final product.

To address the challenges of active management, engineers are increasingly considering digital power schemes built around the PMBus specification, which offers a standardized platform for monitoring and controlling power management devices. And to address the real estate issue they are looking to implement these schemes with the lowest possible number of components. Highly integrated digital power converters with built-in PMBus support provide a way for designers to meet both sets of challenges.

Infineon’s NEW PMBus SupIRBuck™ is an easy-to-use, fully integrated and highly efficient DC-DC regulator with I2C/PMBus interface. The on-board PWM controller and MOSFETs make the family a space efficient solution, providing accurate power delivery for low output voltage and high current applications.

Part numbers

  • IR38060MTRPBF
  • IR38062MTRPBF
  • IR38063MTRPBF
  • IR38064MTRPBF



  • PMBus revision 1.2 compliant
  • 66 PMBus commands
  • Vin range 1.2V – 21V
  • Differential remote sense
  • ultra-low jitter voltage mode engine


  • Telemetry status via digital bus
  • Remote monitoring and update
  • Parameter changes by register
  • Flexible sequencing
  • High accuracy/low ripple


  • Telecom
  • Datacom
  • Server
  • Storage
  • Embedded computing
  • ASIC/FPGA platforms



supIRBuck Block Diagram


IC Capabilites

PMBus protocol and user friendly GUI allows easy debug, test and validation. Read the current, V and T without using probe or additional wires. Easily tune parameters and change faults thresholds, behaviors and warning handling without soldering components. Store settings in the programmable memory allowing remote power management configuration. Digital programmability allows very fast development time and simplifies failures handling saving expensive recall and field service.

PIMBUS Diagram






Infineons NEW PMBus SupIRBuck-2-Grid

Display portlet menu


Infineon’s NEW PMBus SupIRBUCK™

Easy-to-use, fully integrated and highly efficient DC-DC regulator with I2C/PMBus interface.