Integrated voltage regulator with Intel SVID and PMBus support

20th March 2019

Lanna Deamer

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Datasheet

Power density is key in latest space constrained storage, netcom, servers and telecom designs. Infineon Technologies has introduced the newest member of its integrated point-of-load product family, the IR38164 DC-DC POL converter. Infineon's IR38x6x family offers either full SVID compatibility or 3-bit PVID flexibility. This makes it easy to design and support Intel CPU and chipset POL rails in Intel systems.

Some products support PMBus functionality for POL rails requiring control, telemetry, voltage settings in applications such as telecom base stations, networks and storage SSDs. This family of IPOL devices takes advantage of the benchmark efficiency of the OptiMOS MOSFET.

With its integrated SVID, in the smallest size available in its class, IR38164 offers 50% space saving compared to traditional externally powered digital controller solutions. The product also provides enhanced current monitoring accuracy.

IR38164 has a 5x7mm Cu-clip package and OptiMOS 5 with the lowest R _DS(on), FOM (figure of merit), and Q _RR attributes in the market.

Thus, enabling greater than 91% for core rail (0.7-1.2V) efficiency, and higher than 97% for 5V _out efficiency.

The IR38164 is capable of high frequency operations, up to 30A, thanks to its thermal characteristics. Furthermore, enhanced packaging and high performance MOSFETs enable high current 3.3 and 5V output voltages delivery at high ambient temperature with minimum airflow.

IR38164 features Infineon’s third generation voltage mode PWM engine. This enables high control bandwidth, 50% fewer capacitors and stable 1MHz operations. True differential voltage sensing, wide margining range and a 0.5% V _ref accuracy work together to deliver a V _out accuracy greater than 1%.

The IR38x6x products are programmed for Intel VR13 rails, such as V _CCIO, V _MPC and P _VNN rails. Pin compatible options are available with and without PMBus support.