Cypress Semiconductor has introduced support for a new protocol in its EZ-Colour design solution for high-brightness (HB) LED intelligent lighting systems. The EZ-Colour solution now includes drivers for the DMX512 protocol, enabling designers to create an entire intelligent lighting network quickly and easily with no coding required.
The EZ-Colour family of HB LED controllers combines with PSoC Express visual embedded design tool to deliver a complete design solution for growing applications such as architectural lighting, general signage, entertainment lighting and more. The solution enables designers to simply select an HB LED part number, choose either temperature or optical feedback, and choose a colour, including white.
HB LED design requires a complex set of calculations with custom firmware to deliver consistent colour. The two biggest problems that HB LED engineers face are having to account for differing LED performance specifications based on manufacturing bins and the LEDs’ degradation (such as output flux, wavelength etc,) over different temperatures. With PSoC Express, designers simply select a colour from a gamut presented on-screen. Pre-loaded manufacturers’ bin specifications and choice of either temperature or optical feedback algorithms are automatically applied to the selected design and programmed into the EZ-Colour Controller.
EZ-Colour HB LED controllers can support up to 16 LED channels and employ PrISM (Precise Illumination Signal Modulation) technology to reduce low-frequency flicker and radiated electro-magnetic interference. Designers also have the flexibility to add additional functionality to the EZ-Colour controllers, including battery charging, motor control and other features.
The EZ-Colour family is supported by the CY3261A-RGB Evaluation Kit, which showcases its flexibility and ease of use for high-brightness LED colour mixing applications and employs temperature compensation for consistent colour. Included with the evaluation kit is an interactive graphical interface enabling quick colour mixing via a CIE diagram or by directly controlling each HB LED.
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