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TI BOOST CONVERTER MANAGES MULTIPLE HIGH-BRIGHTNESS LEDS

focus.ti.com — Texas Instruments introduced a high-brightness LED driver with an integrated 40-V, 1.2-A switch that can drive up to three 1-W LEDs in series. The new TPS61165 device's high-performance features and input voltage range of 3-V to 18-V allow designers to efficiently manage multiple high-power LEDs used in single-cell, battery-powered applications.

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  • inactive, on 01/03/2008, -0/+1TI also introduced its new TPS61160 and TPS61161 converters that support input voltages from 3-V to 18-V. Both devices integrate a 0.6-A current switch and target portable and battery powered applications with small displays, such as small 3-inch or 4-inch LCD display backlighting in portable game players, GPS systems and smart phones. The TPS61160 drives up to six LEDs with 26-V open LED protection, while the TPS61161 drives up to 10 LEDs with 38-V open LED protection. As with the TPS61165, the brightness of the LED can be controlled by a singe-wire digital interface or PWM signal, and analog dimming eliminates noise.

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