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The following page content corresponds to the products formerly marketed by NEC Electronics


Washers and dryers


Washers and dryers can be finely controlled by receiving information from various sensors and through inverter control, thus improving cleaning performance and saving energy.

Demand is also increasing for support of heat-pump-type drying functions.

Our microcontrollers for inverter control are suitable for meeting such needs.

Washers and dryers



Functional block diagram of Washers and dryers

Functional block diagram of Washers and dryers


Recommended device

Microcontroller for inverter control


Product Name/Alias Features
V850ES/IE2 32-bit All Flash microcontroller: one-channel 3-phase motor control timer,20 MHz operation, 64 pins
V850ES/IK1 32-bit microcontroller: one-channel 3-phase motor control timer,32 MHz operation, 64 pins
78K0R/Ix3 16-bit All Flash microcontroller: one-channel 3-phase motor control timer,20 MHz operation, 30 to 64 pins


Microcontroller for panel control


Product Name/Alias Features
78K0/Kx2 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; 20 MHz operation, low power consumption, 30 to 80 pins
78K0/Lx3 8-bit All Flash microcontroller: wealth of on-chip peripheral functionssuch as a segment LCD, reset circuit, and oscillator; low ower consumption, 48 to 80 pins


Operational amplifier


Product Name/Alias Features
µPC358,etc. Single-power-supply operational amplifier, TSSOP package


Photocoupler for driving fan motors


Product Name/Alias Features
PS8xxx/PS9xxx High-speed IC output of 1 Mbps/10 Mbps; SO5, SO8, SDIP packages


Photocoupler for feedback circuit of power supply


Product Name/Alias Features
PS25xx/PS27xx/PS28xx Transistor output