Power Electronics / Power Management


SVID and PVID enabled voltage regulator

21 February 2018 Power Electronics / Power Management

A new member has been added to Infineon Technologies’ IPOL (Integrated Point-of-Load) family which combines ease of use with high power density. It is the industry’s first fully integrated regulator offering PMBus, SVID and PVID functionality for powering Intel CPU POL rails, chipsets and ASICs/FPGAs. Infineon claims this is the smallest solution size of its class, with 50% space saving compared to alternative external power solutions.

The IR38163/5 and IR38363/5 are tailored for powering Intel Vccio and Vcmp rails, and Intel-based server applications which require SVID support. The devices do not require pre-programming as they are pre-configured for Intel requirements and addresses.

The IR38263/5 offers 3-bit parallel VID (PVID) for powering Intel chipset PVNN rails and FPGA. It is ideal for telecom applications which require constant frequency operation, and netcom and storage applications that require extensive PMBus, accurate Vout, and ultra-low ripple.

This family of IPOL devices takes advantage of the benchmark efficiency of the OptiMOS 5. Additionally, the small 7 x 7 mm PQFN package with Cu clip allows the devices to operate at up to 30 A, at high frequency with minimal airflow. Pin compatible options are available with and without PMBus support.

The family features Infineon’s state-of-the-art PWM engine which provides ultra-low ripple and jitter. They minimise noise and increase control bandwidth while requiring fewer capacitors than other design options. True differential voltage sensing, wide margining range and a 0,5 % Vref accuracy work together to deliver a Vout accuracy greater than 1%.

For more information contact Dirk Venter, Arrow Altech Distribution, +27 (0)11 923 9600, dventer@arrow.altech.co.za, www.arrow.altech.co.za



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