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Infineon's SupIRBuck regulators drive flexibility in FPGA-based design

Posted: 23 Mar 2016 ?? ?Print Version ?Bookmark and Share

Keywords:Digital Point-of-Load? DC-DC regulators? PMBus? FPGA?

Digital Point-of-Load (PoL) DC-DC regulators of Infineon Technologies AG are the driving the design flexibility of the Kintex UltraScale development board. The IR3806x family of regulators, also known as SupIRBuck, has full PMBus capabilities that allow configurations to be stored in internal memory, as well as run-time control, fault status and telemetry.

The on-chip programmable SupIRBuck regulator easily adapts to rapidly changing design requirements. It features integrated PWM controller and MOSFETs in a single package. It delivers 90% more efficiency for all rails, including all losses and less than sub 10mV peak-to-peak ripple from 3 to 35A in a tiny footprint. The regulator allows system power management on a high level and is extremely robust.


Figure 1: Featured in the new Kintex UltraScale development board, the on-chip programmable SupIRBuck DC-DC regulator from Infineon provides flexibility for FPGA-based design.

Despite being compact, the IR3806x family delivers a fully integrated PoL regulator with advanced power management programmability, margining, sequencing, and telemetry across multiple rails via full PMBus 1.2 compatibility. The board includes all functions for an embedded processing system. This enables designers to easily design and verify applications.

The Xilinx Bit Error Test (BERT) demonstrates error losses through rigorous code testing. It uses worst case bit patterns across serial transceiver/receivers. The IR38060 delivers precise power performance: zero bit error test results show no contribution to jitter noise across the pattern.

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