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 Application Notes/Sample Code
Name Document No.
For application notes about capacitive touch, please see the Capacitive Touch Sensor page. -
For application notes about motor control, please see the Motor Control page. -
e2 studio Code Generator Integrated Development Environment User's Manual:RL78 API Reference R20UT3127EJ0104
CS+ Code Generator Tool Integrated Development Environment User's Manual: RL78 API Reference R20UT3102EJ0104
e2 studio Code Generator User's Manual: RX API Reference R20UT2864EJ0130
CS+ Code Generator Tool Integrated Development Environment User's Manual: RX API Reference R20UT3103EJ0130
RX Family RX Driver Package R01AN3467EJ0111
RL78/L12 Serial Array Unit (UART Communication) CC-RL R01AN3316EJ0100
RL78/L1A Serial Array Unit (UART Communication) CC-RL R01AN3484EJ0100
RL78/G1F Serial Array Unit (UART Communication) CC-RL R01AN3314EJ0100
RL78/G13 Serial Array Unit (UART Communication) CC-RL R01AN2517EJ0200
RL78/G14 AD Converter which Uses Timer RJ as Activation Source (SNOOZE mode) R01AN2223EJ0200
RL78/G14 Timer RD in Reset Synchronous PWM Mode R01AN0866EJ0110
RL78/G14 Timer RD in Complementary PWM Mode R01AN0865EJ0110
RX23T Group Initial Settings Example R01AN2551EJ0110
RX130 Group Initial Setting R01AN2592EJ0200
RL78/G13 Initialization CC-RL R01AN2575EJ0200
Power MOS FET application note REJ05G0001-0200
R2A20112A application note R03AN0009EJ0100
R2A20131 application note* -
R2A20114B application note R03AN0011EJ0100

*: 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.
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.