Singapore/South & Southeast Asia/Oceania
Washing Machine (High-End)
Overview
Modern high performance washing machines now have to be eco-friendly electric household appliances, providing modern technology advances that cleans clothes, whilst using less water, less power and are quieter in their operation. Higher specification products also have ion cleaning functions to eliminate odors and the trend towards multifunctional use is set to continue.
A modern washing machine requires a motor that can deliver high torque during the agitation portion of the wash cycle, high-speed rotation during the spin cycle, and a high degree of durability. As some models function not only as washers but as dryers as well, they must also incorporate inverter control technology for the drying function.
Renesas has a wide-ranging lineup of MCUs that enable our customers to develop products that satisfy these requirements. The products in the RX62T Group and V850E/Ix4 are ideal for use as motor control MCUs, and those in R8C/3xT Group(Touch key) and the RL78/G14 Group are designed for system control. These MCUs meet a variety of requirements for washing machine control, including wide-range motor torque, rotation rate control, and load variation.
System Block Diagram (Operation Unit)
System Block Diagram (Control Unit)
Recommended Products
| Block | Semiconductor Device | Recommended Product Name | Features, etc. |
|---|---|---|---|
| Operation MCU | MCU | R8C/3xT |
Touch key MCU |
| RL78 Family |
5 V operation |
||
| Reset IC | RNA519xx Series New | Variable detection voltage | |
| EEPROM (data correction) |
R1EX24xxx Series | I2C bus interface *1 | |
| R1EX25xxx Series | SPI bus interface *2 | ||
| Control MCU | MCU | RX6xT Group | Three-phase PWM *3 timer, enhanced A/D |
| SH/Tiny Series | Three-phase PWM *3 timer, 5 V operation, enhanced A/D | ||
| RL78/G14 Group | Three-phase PWM *3 timer, 5 V operation | ||
| V850E/Ix4 | Three-phase PWM *3 timer, 5 V operation, small package | ||
| Sensor output | Op-amp | HA1630xxx Series | General use CMOS op-amp, Low power consumption |
| UPC358, UPC324 | Low power consumption | ||
| comparator | HA1631 Series | General use CMOS op-amp, low power consumption | |
| UPC393 | Low power consumption | ||
| General purpose Surge absorption Circuit protection, etc. |
Zener diode | NNCDxxDA Series | High ESD tolerance optimal for use in surge absorption |
| RDxxS Series | 2-terminal face-mount outline | ||
| Valves | TRIAC | BCR1AM-12A, BCR08AM-14A | |
| Main motor | TRIAC | BCR8PM-12LG BCR10PM-12LG BCR8PM-14LG |
|
| Lid lock | MOSFET | H5N2521FN, H5N2510DS | |
| TRIAC | BCR1AM-12A | ||
| Inverter | IGBT | RJL60xx Series, RJH60DxSeries New | |
| Photocoupler (IGBT drive) |
PS9306(6p-SDIP) PS9506(8p-DIP) |
High isolation voltage (5 kV r.m.s.), 0.6 A output High CMR (CMR = 25 kV) |
|
| Power supply | PFC IC | R2A20112 | Critical conduction mode interleaving |
| R2A20114 | Continuous conduction mode interleaving | ||
| R2A20115 | Continuous conduction mode single | ||
| R2A20117 | Critical conduction mode interleaving | ||
| R2A20118A New | Critical conduction mode interleaving | ||
| R2A20132 | Critical conduction mode interleaving | ||
| MOS FET | RJK60xx Series | ||
| I/F for control MCU | Photocoupler (standard) | PS25xx Series PS27xx Series PS28xx Series New |
High isolation voltage (5 kV r.m.s.), 4p-DIP High isolation voltage (3.75 kV r.m.s.), 4p-SOP High isolation voltage (2.5 kV r.m.s.), 4p-SSOP |
| Photocoupler (high-speed) |
PS8101 PS9122 |
Analog output, 1 Mbps, 5p-SOP Digital output, 1 Mbps, 5p-SOP |
|
| TRIAC control | Photocoupler (standard) | PS25xx Series PS27xx Series PS28xx Series New |
High isolation voltage (5 kV r.m.s.), 4p-DIP High isolation voltage (3.75 kV r.m.s.), 4p-SOP High isolation voltage (2.5 kV r.m.s.), 4p-SSOP |
*1 I2C: Inter-Integrated Circuit
*2 SPI: Serial Peripheral Interface
*3 PWM: Pulse Width Modulation
Related Application Notes/Sample Code
| Name | Document No. |
|---|---|
| Power MOS FET application note | REJ05G0001-0200 |
| R2A20112 application note * | - |
| R2A20117 application note * | - |
| R2A20118A application note * | - |
| R2A20132 application note * | - |
*：Please contact your sales representative or contact us directly.
Related Software
| Name | Document No. |
|---|---|
| M3S-S2-Tiny sound playback system * | - |
*: Please contact your sales representative or contact us directly.
Related Boards
| Name | Part No. |
|---|---|
| R2A20112 evaluation board * | - |
| R2A20115 evaluation board * | - |
| R2A20117 evaluation board * | - |
| R2A20118 evaluation board * | - |
| R2A20132 evaluation board * | - |
*：Please contact your sales representative or contact us directly.
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