Renesas offers a variety of microcontrollers for air conditioner control to realize a more comfortable living environment. The RX24T Group and RX66T Group can control two inverters and has a built-in floating-point unit (FPU) that facilitates vector control, making it suitable for outdoor units. The RL78 Family, the RX130 Group, the RX230 Group, the RX651 Group, the RA4M1 Group, RA2L1 Group and the RA6M1 Group are designed for indoor units. The RL78/L12 Group and the RL78/L13 Group are for use in remote controls. Renesas delivers solutions optimized to customer requirements.

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Air Conditioner (High-End)Block Diagram
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System Block Diagram (Outdoor Unit)

Related Products

Block Semiconductor Device Recommended Products Features
Remote Controller MCU RL78/L12 Group
RL78/L13 Group
16-bit MCU, Segment LCD driver, optimal for remote controller
Indoor Unit MCU RX130 Group
RX230 Group
Enhanced Capacitive Touch function, 5V operation
Enhanced DSP/FPU, Connectivity (USB), HMI (Capacitive Touch), Security, Low power consumption, 5V
RX651 Group Large-capacity RAM, Connectivity (Ethernet, USB), HMI (LCD), Security, Motor
RL78/G13 Group
RL78/G13A Group
5V operation, Rich line-up, can be used in a wide variety of applications
5V operation with low operating current
RA4M1 Group
RA6M1 Group
Arm Cortex-M4 with LCD Controller and Capacitive Touch for HMI
Arm Cortex-M4 core Capacitive Touch for HMI and advanced analog
RA2L1 Group
RA2E1 Group
Arm Cortex-M23 core, 5V operation, System Control, Capacitive Touch, Safety
Sensors ZMOD4410
HS3003
Air Quality Monitoring
High-Performance Relative Humidity and Temperature Sensor
Outdoor Unit MCU RX24T Group
RX66T Group
32-bit MCU including on-chip FPU enable to drive two motors simultaneously
RXv3 Core, Motor specialized specifications (max.4 motors)
RA6T1 Group 32-bit MCU including on-chip FPU enable to drive two motors simultaneously
PFC IC
IGBT+FRD
IGBT
FRD
R2A20112ASP
RJQ6008BDPM
RJP65T43DPM
RJU60C6TDPP-AJ
Critical conduction mode interleaving
One package(IGBT + FRD) for PFC, 600V, 20A
High-speed switching, optimal IGBT for PFC, 650VA, 40A
Optimal FRD for PFC, 600V, 20A
MCU Peripheral Op-amp READ2303G
READ2304G
Full range input/output, high slew rate
Low power consumption, high slew rate
Signal Interface in
Indoor/Outdoor Unit
Photocoupler (standard) PS23xx Series
PS28xx Series
RV1S22xx Series
High isolation voltage (5kVr.m.s.), 4p-LSOP, Ta=115°C
High isolation voltage (2.5kVr.m.s.), 4p-SSOP, Ta=100°C
High isolation voltage (5kVr.m.s.), 4p-LSSOP, Ta=115°C
Interface in PFC
Circuit
Photocoupler (IGBT drive) PS9031
RV1S92xx Series
High isolation voltage (5kVr.m.s.), 2.5A output
High CMR (CMR.≧50kV/ µs), Optimal for IPM drive

descriptionDocumentation

Title language Type Format File Size Date
RX24T Group Initial Settings Example
Related Files: Sample Code
日本語
Application Note
PDF 810 KB
RX130 Group Initial Setting Rev.2.01
Related Files: Sample Code
日本語
Application Note
PDF 615 KB
R2A20114BFP Application Note 日本語
Application Note
PDF 3.05 MB
RX230 Group Initial Setting Rev.1.10
Related Files: Sample Code
日本語
Application Note
PDF 1.11 MB
RX Family RX Driver Package Ver.1.11
Related Files: Sample Code
日本語
Application Note
PDF 2.17 MB
RL78/G1F Serial Array Unit (UART Communication) CC-RL Rev.1.00
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 297 KB
- RL78/G1F 串行阵列单元(UART通信)CC-RL Rev.1.00 - Sample Code
Sample Code
ZIP 1.17 MB
RL78/L12 Serial Array Unit (UART Communication) CC-RL Rev.1.00
Related Files: Sample Code
日本語
Application Note
PDF 316 KB
RL78/L13 Serial Array Unit (UART Communication) CC-RL Rev.1.00
Related Files: Sample Code
日本語
Application Note
PDF 318 KB
RL78/G14 Serial Array Unit (UART Communication) CC-RL Rev.1.00
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 305 KB
- RL78/G14 串行阵列单元(UART通信) CC-RL Rev.1.00 - Sample Code
Sample Code
ZIP 842 KB
RL78/G13 A/D Converter (Software Trigger and Sequential Conversion Modes) CC-RL Rev.2.00
Related Files: Sample Code
日本語
Application Note
PDF 226 KB
RL78/G13 Initialization [for CubeSuite+, IAR, and e2 studio] Rev.2.01
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 293 KB
- RL78/G13 初期設定【開発環境:CubeSuite+、IAR、e2 studio】 Rev.3.01 - Sample Code
Sample Code
ZIP 765 KB
- RL78/G13 群初始设定 Rev.1.00 - Sample Code
Sample Code
ZIP 1.03 MB
RL78/G13 Timer Array Unit (PWM Output) Rev.2.00
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 703 KB
- RL78/G13 タイマ・アレイ・ユニット(PWM出力) Rev.3.00 - Sample Code
Sample Code
ZIP 971 KB
- RL78/G13群定时器阵列单元(PWM输出) Rev.1.01 - Sample Code
Sample Code
ZIP 925 KB
RL78/L13 How to Output Remote Control Signals Rev.1.00
Related Files: Sample Code
日本語
Application Note
PDF 556 KB
RL78/G14 Timer RD in Complementary PWM Mode Rev.1.10
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 829 KB
- RL78/G14群 定时器RD (互补PWM 模式) Rev.1.01 - Sample Code
Sample Code
ZIP 822 KB
RL78/G14 Timer RD in Reset Synchronous PWM Mode Rev.1.10
Related Files: Sample Code
日本語, 简体中文
Application Note
PDF 478 KB
- RL78/G14群 定时器RD (复位同步PWM 模式) Rev.1.01 - Sample Code
Sample Code
ZIP 786 KB
R2A20112A Application Note
Application Note
PDF 224 KB
CS+ Code Generator Tool Integrated Development Environment User's Manual: RL78 API Reference[CS+ for CA,CX][CS+ for CC] 日本語
Manual - Development Tools
PDF 2.39 MB
e² studio Code Generator Integrated Development Environment User's Manual:RL78 API Reference 日本語
Manual - Development Tools
PDF 2.52 MB
CS+ Code Generator Tool Integrated Development Environment User's Manual: RX API Reference[CS+ for CC] 日本語
Manual - Development Tools
PDF 1.28 MB
e² studio Code Generator User's Manual: RX API Reference 日本語
Manual - Development Tools
PDF 1.29 MB
Sound Playback System and Compression Library (Original ADPCM CODEC) M3S-S2-Tiny for the RX Family Revised to V.3.01 Release 00 日本語
Tool News - Release
PDF 530 KB
The Sound Playback System and Compression Library M3S-S2-Tiny for the RL78 Family V.3.00 Release 00 Published 日本語
Tool News - Release
PDF 317 KB
The Sound Playback System and Compression Library M3S-S2-Tiny for the RX Family Published
Tool News - Release
PDF 470 KB