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Texas Instruments Aids In Bringing New Sanyo Refrigerators to Market in Record Time
TI's digital signal processing technology enables efficient, quiet and lower system cost appliances
HOUSTON (April 4, 2001) -- Enabling Sanyo Corporation to ship 50,000 refrigerators to market in record time, Texas Instruments announced today that its TMS320C2000Ô digital signal processor (DSP) was an integral component in the success of Sanyo's refrigerator products in Japan. The quiet and energy-efficient refrigerators went into production last September using TI's embedded DSP optimized for motor control applications. (See: http://www.ti.com/sc/control)
After examining several DSP vendors, Sanyo switched from its previous DSP supplier to TI's solution on the TMS320C2000 DSP platform because it offers reliable, available production devices with the most competitive cost/performance ratio in the market. Numerous other factors were also considered when deciding the most optimal DSP for Sanyo's application. Given the total cycle time from design start to production of the Sanyo refrigerators was among the fastest in the home appliance industry, factors including technical support and system know-how were key contributors to TI being the ultimate choice for design and production.
"TI's C2000™ DSP platform addressed our key concerns when designing our refrigerators," said Masashi Toyoshima, engineering department manager, Sanyo Electric Co., Inc. "Home appliances must offer greater systems efficiency in their designs, while still reducing overall system cost. We selected TI's DSP technology after investigating all the aspects of development and volume production. When it comes to delivering a high performance refrigerator design, we are convinced that TI's C2000 DSP platform is the right choice for our refrigerators."
Sanyo adopted TI's TMS320C242 DSP in this application to control the refrigerator compressor drive. The DSP uses an advanced 'sensorless' vector control algorithm, often referred to as sensorless sinusoidal drive. Advanced DSP-based motor control algorithms enable unique system benefits over traditional 'legacy' microcontroller solutions. Such benefits include increased energy efficiency, lower audible noise and lower system cost through elimination of several parts or components. TI's extensive library of software algorithms for motion control is available at no cost on TI's website at: http://www.ti.com/sc/docs/apps/digital/download.htm
"TI is committed to working closely with our customers through the entire design process, from the design phase all the way to product release," said Christophe Chene, digital control systems business unit manager, TI. "The combined engineering efforts of TI and Sanyo in tandem with our longstanding relationship has resulted in the rapid development of high-end refrigerators offering increased efficiency and quieter operation."
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