New Microcontrollers for Inverter Control from NEC

NEC Electronics announced six new microcontrollers for inverter control systems, four 100-pin V850E/IG3 MCUs and two 80-pin V850E/IF3 MCUs. These new MCUs are  designed for advanced motor control applications such as washing machines, refrigerators and air conditioners.

Inverter control is widely used in the motors of large household appliances such as air conditioners, washing machines and refrigerators. Manufacturers of these products are under intense pressure to cut costs even as they deliver more sophisticated appliances, creating a need for components that can enable more precise motor control at lower development costs..

The devices feature a four-fold increase in resolution of the A/D converter that detects motor rotation (4,096 discrete values) and a six-fold increase in gain ratio to 13 steps of  the op amp that adjusts the level of motor status signals. The on chip comparator protects a system from motor faults. It can detect under or over voltages to a give voltage reference.

With these new devices, NEC now offers a comprehensive lineup of 214 All Flash microcontrollers, ranging from compact and economical 8-bit devices to high-performance 32-bit models.

V850E/IG3 are in sampling now. Volume production expected to begin in the second quarter of 2007. Price of  V850E/IG3 /256KB flash memory is $10 (1K)

Source: NEC Electronics