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Applications > System Applications > Digital Home Electronics > Consumer Electronics and Entertainment >

Constant-speed air conditioners


Demand for and the production of air conditioners is growing in Europe due to global warming, and the economic development taking place in Brazil,Russia, India and China (BRICS) and other emerging economies.

Our microcontrollers and single-package MOSFETs supporting H-bridge driving are excellent for improving both coefficient of performance and cost performance.

Constant-speed air conditioners


Functional block diagram of Constant-speed air conditioners

Functional block diagram of Constant-speed air conditioners

Recommended device

Microcontroller for main indoor unit control


Product Name/Alias Features
78K0S/KB1+
 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; 30 or 32 pins
78K0/KC2 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; low power consumption,20 MHz operation, 38 to 48 pins


Microcontroller for remote control


Product Name/Alias Features
µPD6P8x 4-bit microcontroller: on-chip carrier generator for remote infrared control, power-on clear (POC) circuit, 20 pins


Operational amplifier


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


Photocoupler for driving motors


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


MOSFET


Product Name/Alias Features
P-ch + N-ch
complementary MOSFETs 		P-ch + N-ch single-package product suitable for fan motor H-bridge drive; 30, 40, or 60V withstanding voltage; 8-pin SOP package



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