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TI opens door to lighting design innovation with remote-controlled LED board
Unique use of RF lighting control drives LED intensity and color
Opening up new possibilities for low-power lighting design, the TPS62260LED board controls the color and brightness of a lamp or runs an automatic color light animation program. Designers generate color with the three OSRAM high-brightness LEDs (red, green and blue). An MSP430F2131 ultra-low power microcontroller controls the brightness of each LED with constant current generated by three TPS62260 LED drivers, one for each LED.
The design module is also pin compatible with TI's TPS62240 buck converters for lower-current LED applications, such as indoor ambient lighting, and the TPS62290 for higher-current LED applications, such as wall washing.
Wireless control gives designers power
Designers can utilize wireless communication by using the eZ430-RF2500 development tool, which plugs directly onto the TPS62260LED board. This allows designers to create a lighting network of RF-controlled lamps. With a RF remote, the need for additional infrastructure to control the lamp is eliminated. Utilization of RF lighting control allows for better management of LED lamp-lighting intensity and color. RF remote-controlled lighting is beneficial in applications like building automation control networks because it allows for upgrading facilities to LED lighting with minimal wiring infrastructure changes.
Pricing and availability
The TPS62260LED board is available today at a suggested resale price of $19 and includes a populated and pre-programmed MSP430 microcontroller, plus board documentation. Additionally, the eZ430-RF2500 development tool can be ordered for $49. If a designer prefers to reprogram the MSP430, a separate MSP430 Flash Emulation Tool can be ordered, such as the MSP-FET430UIF Development Tool, which has a suggested resale price of $99. The TPS62260LED-338 board and MSP430 Flash Emulation Tool can be purchased from the TI eStore at www.ti-estore.com. Code Composer Essentials for MSP430 is an Integrated Development Environment (IDE) for building and debugging embedded applications for MSP430 microcontrollers and can be downloaded free of charge from the TI at www.ti.com/cce.
LED driver and display solutions
TI provides the broadest portfolio of high-performance products for today's LED design requirements, including power management, such as AC/DC, power factor correction, DC/DC and linear power conversion; RF transceivers; digital signal processors (DSPs); and ultra-low-power microcontrollers. TI's products support applications ranging from ultra-small portable displays to the largest lighting and display panels in the industry. Additionally, TI's local support and applications expertise help designers get to market faster. See www.ti.com/led.
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