Power Integrations and Casambi Technologies Launch Dimming Color Intelligent Lighting Reference Design
On August 1, 2017, Power Integrations, a pioneer in high-efficiency LED driver ICs, and Casambi Technologies announced a new reference design (DER-612). This design introduces a power factor corrected, constant voltage and constant current 12W isolated flyback power supply tailored for smart lighting applications. The 3.3V power supply within this design powers the Casambi CBM-001 Bluetooth wireless module, offering intuitive dimming and color management for four-string LED loads ranging from 0mA to 400mA. The power supply supports a broad input voltage range from 90VAC to 265VAC and maintains a power factor of 0.8 or higher across all input voltages.
The design leverages Power Integrations' InnoSwitch-CH power controller, integrating the primary, secondary, and feedback circuits into a single surface-mount flyback switch IC. This innovative IC includes the primary-side power FET, primary-side controller, secondary-side synchronous rectifier controller, and Power Integrations’ FluxLink technology, which allows safe connection across isolation barriers without needing an optocoupler. Secondary-side control ensures precise constant voltage regulation and rapid step-load responses, while simplified PWM control negates the need for a secondary DC/DC converter. The IC's high efficiency and low standby power consumption eliminate the necessity for additional heatsinks, enabling designs that comply with DOE-6 energy efficiency standards. Additionally, it features a built-in secondary-side auxiliary power supply output for supporting RF and MCU control circuitry.
The CBM-001 is a Class 2 embedded Bluetooth 4.0 module specifically designed for LED lighting control, luminaires, and bulbs. Equipped with Casambi’s proprietary firmware, it ensures full compatibility with other Casambi devices. Using the Bluetooth 4.0 protocol, the CBM-001 can be wirelessly managed via the Casambi app on smartphones and tablets. These devices autonomously create self-healing and self-organizing wireless mesh networks, allowing control of numerous lights from any location without requiring extra gateway modules.
Hubie Notohamiprodjo, the director of marketing for LED lighting products at Power Integrations, remarked, "Intelligent lighting systems can monitor and adjust complex home and workplace lighting. The standby power consumed by the control subsystem often diminishes the energy savings from high-efficiency LEDs. The combination of low quiescent current consumption and InnoSwitch-CH’s extremely low standby power significantly improves the overall system standby performance while ensuring immediate illumination output."
Timo Pakkala, co-founder and CEO of Casambi, added, "The Power Integrations InnoSwitch-CH power controller is exceptionally efficient, particularly under light loads. This ensures our Bluetooth modules operate continuously and efficiently, providing better performance and scalability for users."
The DER-612 delivers RGBW illumination through a simple parallel LED string. This reference design can be accessed at [insert link].
Power Integrations, Inc., established as a leader in semiconductor technology for high-voltage power conversion, plays a vital role in the clean energy ecosystem. Their products enable efficient energy generation and the effective transmission and consumption of electricity across applications ranging from milliwatts to megawatts. For further details, visit their website.
Casambi Technologies, founded in 2011, offers a wireless lighting control software platform that empowers smart device users with robust capabilities for managing modern lighting. Based on Bluetooth low energy technology, Casambi's award-winning solution delivers a dynamic user experience, unmatched reliability, and superior performance. Whether for basic single-light control or industrial-grade solutions with cloud-based remote control, monitoring, and data logging, Casambi’s technology can be seamlessly integrated into lighting fixtures, drivers, and related modules at a reduced cost. The lighting system provides advanced lighting control with minimal hardware and deployment expenses. Casambi’s products are developed in Finland and supported globally from Europe, North America, and Asia. For more information, check out their website.
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