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3-channel DC-to-DC PMIC cuts power use, improves performance

Posted: 23 Jul 2014  Print Version  Bookmark and Share

Keywords:PMIC  S6AP412A  DC-to-DC 

Spansion Inc. has begun delivering samples of its S6AP412A series of multi-channel DC-to-DC power management ICs (PMICs).

The S6AP412A series—an expansion of the Spansion MB39C031 family of DC-to-DC buck-converter, programmable PMICs—supplies three channels of power on a single chip to cutting-edge system-on-chip (SoC) products, memory, and peripheral products that make up the core of office automation equipment and network devices with advanced image and voice processing functions.

Systems equipped with the latest SoCs require control of a three-channel power supply sequence when starting up or disconnecting the power supply. The S6AP412A uses software to enable flexible and precise power supply sequence control. In addition, by enabling three-channel power supply within a single chip, the BOM for the power supply block can be reduced and the board surface area can be cut by approximately 30 per cent compared to conventional products.

The new product also uses the common inter-integrated circuit (I2C) communication interface to enable switching to an optimum voltage according to the SoC operation mode and process conditions while maintaining the output, and is thus able to support both dynamic voltage scaling (DVS) and advanced supply voltage (ASV) technologies. The S6AP412A series also supports reduced power consumption by systems through precision control of the voltage used by cutting-edge SoCs.

"This new PMIC expands our power management portfolio, providing the freedom to design with software, and delivers high performance and a lower power consumption and BOM than previously required to support high-end graphics and voice functions of large-scale systems in office automation systems," said Tom Sparkman, senior VP and GM, Spansion Analog and Mixed Signal Business. "The multi-channel power supply eliminates the need for dedicated power supply lines to each component and aids in the trend of miniaturisation in system design."

Spansion S6AP412A series samples are shipping now and production volumes will be available in September starting at $3.60 per unit for minimum volumes of 1,500 units.





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