Overview

Renesas has a wide-ranging lineup of MCUs that enable our customers to develop products that satisfy these requirements. The RX23T Group, the RL78/G14 Group, and the RL78/G1F Group of microcontrollers provide a cost effective solution for motor and system control applications. These MCUs meet a variety of requirements for washing machine control, including wide-range motor torque, rotation rate control, and load variation.

Washin Machine (Low-End)

System Block Diagram

System Block Diagram

Recommended Products
Block Semiconductor Device Recommended Product Name Features, etc.
Operation block Operation MCU RX130 Group Touch key MCU
RL78/L1x Series
RL78/L13 Group
5 V operation, small package, abundant lineup
Control block Control MCU RL78/G14 Group
RL78/G1F Group
Three-phase PWM timer *1, 5 V operation, small package, abundant lineup
RX23T Group Built-in FPU
Sensor output Op-amp READ2302GSP Full range Input/output , High slew rate
μPC4742, μPC4744 High slew rate
Valves TRIAC BCR1AM-12A
BCR08AM-14A
BCR08DS-14A
 
Main motor TRIAC BCR8FM-12LB
BCR8FM-14LJ
BCR10FM-14LJ
 
Lid lock TRIAC BCR1AM-12A
BCR08AM-14A
BCR08DS-14A
 
Inverter Photocoupler
(IGBT drive)
PS93xx Series
(6/8p-SDIP)
PS94xx Series
(16p-SOP)
PS95xx Series
(8p-DIP)
PS99xx Series
(8p-LSDIP)
High isolation voltage (5kV~7.5kVr.m.s.)
0.6~2.5A output
High CMR (CMR≧50kV/μs)
Power supply PFC IC R2A20114B Continuous conduction mode interleaving
R2A20131 Continuous conduction mode single
R2A20112A Critical conduction mode interleaving
MOSFET RJK60xx Series 500 V, 600 V tolerance
TRIAC control Photocoupler (standard) PS23xx Series
PS27xx Series
PS28xx Series
High isolation voltage (5kVr.m.s.), 4p-LSOP, Ta=115°C
High isolation voltage (3.75kVr.m.s.), 4p-SOP, Ta=110°C
High isolation voltage (2.5kVr.m.s.), 4p-SSOP, Ta=110°C

*1 PWM: Pulse Width Modulation

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.
R2A20112A evaluation board * -
R2A20114B evaluation board * -
24V Motor Control Evaluation System for RX23T RTK0EM0006S01212BJ
RX24T CPU Card RTK0EM0009C03402BJ

*: Please contact your sales representative or contact us directly.