WiFi 7 SoC power management cuts power in home networking

WiFi 7 SoC power management cuts power in home networking

Technology News |
By Nick Flaherty

MaxLinear has achieved substantial improvements for idle and active power modes using its WiFi 7 home broadband systems.

The MaxLinear WiFi 7 XGS-PON reference platform enables sub-5W home routers and gateways using a new generation of power management IC (PMIC).

The WiFi 7 platform consumes no more than 5.7 watts of power while idling and less than 7.4 to 9 watts in typical usage scenarios, such as video streaming over an XGS-PON fibre link to a WiFi client. At these levels, power consumption is reduced by half of comparable products on the market.

The reference platform uses the AnyWAN URX851 – MaxLinear’s universal, ultra-scalable broadband SoC – and the MXL31712 Wi-Fi 7 radio, which integrates the tri-band 4+4+4 MAC plus RF in a single chip.

The MaxLinear WiFi 7 platforms feature numerous power domains for dynamic voltage and clock scaling adapting to the current performance needs. System-wide power scaling, such as advanced Wi-Fi performance scaling and band steering, is software configurable easily through standard (Linux) APIs.

“Power efficiency need not translate to lower SoC performance,” said Will Torgerson, VP/GM Broadband Group at MaxLinear. “Being able to offer high-performance technology with advanced power management is one of the most critical design factors for the new generation of home gateways. With the demonstrated power management on the MaxLinear Wi-Fi 7 reference platforms, we are paving the way for commercial sub-5 watt tri-band Wi-Fi 7 home gateways – taking energy efficiency to a new level to help our customers become carbon neutral.”

The growth in power hungry, always-on gateways has prompted many operators to find ways to increase energy efficiency, and many service providers are targeting a 55% CO2 reduction by 2030 and 100% carbon neutrality by or before 2050.

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