Three-channel interleaved CCM PFC digital controller


  • Up to 3 interleaved channels
  • Inrush current control
  • Operating temperature: -40 °C to 105 °C
  • Soft start-up

The STNRGPF01 is a digital controller designed specifically for interleaved PFC boost topologies and intended for use in high power applications.

The controller is capable of driving up to 3 interleaved channels, generating the proper signals in each condition. Moreover, it implements a flexible phase shedding strategy that enables the correct number of PFC channels based on the actual load condition. With this function, the STNRGPF01 is always able to guarantee the highest power efficiency across a wide range of load current requirements.

It is configured through the eDesignSuite tool.

Expand All
  • Interleaved boost PFC
  • Up to 3 interleaved channels
  • CCM, fixed frequency
  • Average current control, cycle-by-cycle
  • Inrush current control
  • Burst mode support
  • Overcurrent and thermal protection
  • Soft start-up
  • Flexible phase-shedding strategy
    • High operating frequency with small PFC inductor, suitable for high power-density applications
    • Low ripple current (input/output)
    • Simpler integration with other applications
  • Flexible design customization to meet specific customer needs
  • Firmware
    • Turnkey solution for quick design
    • eDesign Suite graphical user interface (GUI) for application configuration
  • Embedded memory data retention 15 years with ECC
  • Communication interfaces
    • UART asynchronous protocol for bootloader support
  • Operating temperature: -40 °C to 105 °C
  • Welding
  • Industrial motors
  • UPS
  • Battery charger
  • Power supplies