Overview
Description
This TRIAC motor control reference design is built on a proven TRIAC‑based motor‑control architecture. It combines the RA2E1 32‑bit Arm® Cortex®‑M23 microcontroller (MCU) or the RX231 32‑bit MCU with phase‑angle firing driven by a zero‑cross detector to regulate compressor and fan speed while minimizing torque ripple and electromagnetic interference (EMI).
The RAA223021 buck regulator derives low‑voltage rails directly from rectified 115/230VAC, enabling ultra‑low standby power. The ISL28005 high‑accuracy current‑sense amplifier monitors load current to support stall and overload detection with fail‑safe shutdown. The ISL3152E robust RS‑485 transceiver provides reliable connectivity with enhanced electrostatic discharge (ESD) protection.
Features
- Phase‑angle TRIAC control with zero‑cross synchronization for stable speed and torque and reduced audible noise
- Low‑standby, wide‑input offline power conversion to generate logic rails from 115/230VAC
- Real‑time current sensing for stall and overload detection, shutdown, and diagnostics
- Electromagnetic compatibility (EMC)‑optimized timing and input‑filter strategy to reduce conducted emissions and nuisance triggering
- RS‑485 interface option for remote control, configuration, and telemetry with enhanced ESD robustness
Applications
Documentation
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| PCB Design Files | Triac Motor Control Card Altium Project Files
This project contains the Altium project for revision C of the triac motor control card, meant to hook into an RX26T motor control card.
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| Manual - Software |
PDF
737 KB
The purpose of this document is to detail the software that is used with the US106 TRIAC board. The board controls the timing of gate pulses to deliver the required amount of power to the output device. This manual provides a software overview including block diagrams, data, modules, and configurations for TRIACs and timers.
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Design & Development
Software & Tools
Software & Tools
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Software type
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Company
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| e² studio Eclipse-based Renesas integrated development environment (IDE).
[Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ]
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IDE and Coding Tool | Renesas |
| RA Flexible Software Package (FSP) FSP is an enhanced software package designed to provide easy-to-use, scalable, high-quality software for embedded system designs using Renesas RA Family of Arm Microcontrollers.
Note: FSP with e² studio Installer (Platform Installer) will install the e² studio tool, FSP packs, GCC toolchain, and Segger J-Link drivers required to use this software. No additional installations are required.
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Software Package | Renesas |
| RX Smart Configurator RX Smart Configurator is a utility for combining software in ways that meet your needs. It simplifies the embedding of Renesas drivers in your systems through supports for importing middleware and drivers and configuring pins.
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Solution Toolkit | Renesas |
| CS+ Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0]
(Note: CS+ is not generally promoted to U.S. and European customers.)
(Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
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IDE and Coding Tool | Renesas |
| Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, DA148xx, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
5 items
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