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Boost Controller supports 1-5 W high-brightness LEDs.

July 14, 2008 - Suited for applications where output is regulated current, TPS40211 drives high-power LEDs when input voltage is less than voltage to turn on LEDs. LED driver features 4.5-52 V wide-input voltage, programmable closed soft start, over current protection with automatic retry, and programmable oscillator frequency. Designed for boost, flyback, SEPIC and LED driver topologies, it has fixed frequency current mode control that offers improved transient response and simplified loop compensation.

Related categories: Electrical Equipment and Systems | Electronic Components and Devices

Press Release
Release date: April 7, 2008

TI Boost Controller Drives Industrial Lighting Innovation

LED driver supports 1- to 5-W high-brightness LEDs

DALLAS (April 7, 2008) - Opening the door to new technology advancements in industrial and architectural lighting, Texas Instruments Incorporated (TI) introduced today a 4.5 V to 52 V wide-input voltage, non-synchronous boost controller, intended for applications where the output is a regulated current instead of a regulated voltage. The new TPS40211, demonstrated at the Light+Building Frankfurt show (April 6 - 11, 2008) at the "LED Light for you (LLFY) - powered by OSRAM" booth (Hall 4.1 / D31), allows designers to efficiently manage LED lighting, industrial control and battery-powered systems. See: www.ti.com/tps40211-pr.

The TPS40211 efficiently drives high-power LEDs when the input voltage is less than the voltage to turn on the LEDs. The LED driver is designed to power multiple 1- to 5-W high-brightness LEDs in a series, and features a programmable closed soft start, over current protection with automatic retry and a programmable oscillator frequency. The device's fixed frequency current mode control provides improved transient response and simplified loop compensation. Designers have the flexibility to use the TPS40211 for boost, flyback, SEPIC and various LED driver topologies.

TI features lighting technology advancements at Light+Building
TI is featuring a variety of product demonstrations at the Light+Building conference this week in the LLFY booth, including a lighting driver with the TPS40211 device, a brightness control application and an inverter implementation. Three TPS62260 2.25 MHz 600 mA buck converters power a RGB color-mixing demonstration, featuring 252 color values, provides color adjust through an incremental decoder; an LED driver demonstration features TI's TCA6507 seven-channel, I2C LED blinker and dimmer, 16-step intensity control and easy control with a parallel port-to-PC interface. The TLC5940 16-channel driver IC is featured in an LED video wall driver demonstration with 12-bit grayscale PWM (pulse width modulation) control, 6-bit dot correction and driver capability of 120 mA per channel.

Pricing and availability
The TPS40211 is available today in volume from TI and its authorized distributors. The device is offered in a 10-pin PowerPADTM and a 10-pin SON package, and suggested resale price is $1.40 in 100-unit quantities.

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. TI is a certified partner of LLFY, which supports designers with outstanding and forward-looking solutions for Solid State Lighting (SSL).

Company Information:
Name: Texas Instruments, Inc. (TI)
Address: 12500 TI Blvd.
City: Dallas
State: TX
ZIP: 75243-4136
Country: USA
Phone: 800-336-5236
FAX: 972-995-4360
http://www.ti.com/

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