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Power Integrations announces smart lighting with reduced power consumption and optimized standby power
Published2017.08.04 15:38Power Integrations and Casambi Technologies have announced a color-tunable smart lighting reference design
Power Integrations, a leading supplier of high-efficiency and reliable LED driver ICs, and Casambi Technologies OY announced on the 1st a new reference design DER-612 for a 12W isolated flyback power supply with PFC (power factor correction), constant voltage (CV), and constant current (CC) functions for smart lighting applications.
The design includes a 3.3V power supply to drive the Casambi CBM-001 Bluetooth wireless module and provides convenient dimming and color management control for 4-string LED loads ranging from 0mA to 400mA. The power supply operates over a universal input voltage range of 90VAC to 265VAC and achieves a power factor of 0.8 or higher across all input conditions.
The design is based on Power Integrations' InnoSwitch-CH power supply controller and integrates primary, secondary, and feedback circuits into a single surface-mount offline flyback switcher IC, which incorporates a primary-side FET, primary controller, and secondary-side synchronous rectifier controller.
The device also includes FluxLink, Power Integrations' magnetic coupling communication technology, which safely bridges the isolation barrier without requiring an optocoupler. Through secondary-side control, it achieves highly accurate constant voltage regulation and ultra-fast transient response characteristics, and the simple PWM control eliminates the need for a secondary-side DC/DC regulator.
The IC's high efficiency and very low standby power eliminate the need for an additional heatsink, allowing customers to create solutions that meet demanding DOE-6 regulations. The integrated secondary auxiliary power output supports RF and MCU control circuitry.
The CBM-001 is a Class 2 embedded Bluetooth 4.0 module designed for LED lighting control applications, lighting fixtures, and LED bulbs, and is pre-programmed with Casambi's proprietary firmware to ensure perfect compatibility with other Casambi-enabled devices. The CBM-001 is controlled wirelessly through Casambi smartphone and tablet applications using the Bluetooth 4.0 protocol. The device automatically forms a self-healing and self-forming wireless mesh network, enabling control of a large number of fixtures from any location without requiring an external gateway module.
Hubie Notohamiprodjo, LED Lighting Product Marketing Director at Power Integrations, explained, "Smart lighting systems monitor and control complex home and workplace lighting installations. The standby power required by the control subsystem often offsets the savings provided by high-efficiency LEDs. Casambi's low standby current, combined with the InnoSwitch-CH's very low standby mode power consumption, optimizes standby performance while maintaining immediate lighting availability."
Timo Pakkala, CEO and co-founder of Casambi, added, "The Power Integrations InnoSwitch-CH power supply controller delivers exceptional efficiency, particularly at light loads. This enables our module to operate continuously and effectively, creating a user environment with superior performance and scalability."
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