Microwave Journal
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MaxLinear Simplifies Engineering Design for Home Connectivity Solutions

November 9, 2021

MaxLinear Inc. announced the immediate availability of a power management integrated circuit (PMIC), the XR77103-MoCA, designed to meet the power needs of MaxLinear MxL370x MoCA 2.0 and MxL371x MoCA 2.5 SoCs. 

As service providers invest in multi-gigabit broadband infrastructure, Multimedia over Coax Alliance (MoCA®) solutions are needed to extend this high performance to the in-home network. Home routers and Wi-Fi extenders using MaxLinear MoCA 2.5 technology create a reliable wired backbone that can distribute multi-gigabit speeds seamlessly throughout the home or office. 

With the XR77103-MoCA, a highly integrated custom power management device, supporting these chipsets, the engineering process is simplified, reducing development time, minimizing board space and ensuring quality performance. 

“MaxLinear is committed to providing a complete solution that ensures faster product design and a more reliable product,” said James Lougheed, vice president, High Performance Analog products. “The MxL7310 was the world’s first fully-integrated circuit to support the multi-gigabit MoCA 2.5 standard. With the XR77103-MoCA PMIC, MaxLinear provides the same level of integration and performance to the power supply.” 

The XR77103-MoCA PMIC is custom designed to provide three voltage rails with exact sequencing requirements for the MxL37xx SoCs and accompanying Ethernet PHY. With the addition of MaxLinear GPY211 2.5GbE PHY, the entire solution has been qualified, demonstrating world-class performance on MoCA loopback tests through a -60 dB attenuator at 2.5 GB. 

The XR77103-MoCA can operate from any voltage input from 4.5 V to 14 V and is offered in a 4 x 4 mm QFN package. With three highly efficient, synchronous buck regulators integrated into the device, it saves 14 external components over prior solutions reducing board space by 25 percent. 

The three outputs are pre-set to 0.9 V, 1.8 V, and 3.3 V as the system requires with exact timing handled by the PMIC sequencing engine. The 0.9 V core rail can supply the 3A peaks demanded by the SoC and is compatible with SoC Dynamic Voltage Scaling, to optimize performance.