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National Semiconductor today introduced the world's smallest backlight light emitting diode (LED) driver that controls lighting applications in handheld devices.

today introduced the world's smallest backlight light emitting diode (LED) driver that controls lighting applications in handheld devices, including cellular phones, digital still cameras, gaming devices and MP3 players.

Housed in a micro SMD package, the LP3954 advanced lighting management unit integrates two backlight drivers, a dual red-green-blue (RGB) LED controller, a Flash LED driver and an analogue-to-digital converter (ADC) on a single chip. The integrated, magnetic boost DC-DC converter is said to efficiently drive high current loads over a wide battery voltage range.

"Built-in, stand-alone features, including backlight fading, RGB control and audio synchronisation, allow differentiation and reduce software development time, helping manufacturers get their cellular phones to market faster," said Gianluca Colli, director of integrated system products for National Semiconductor's Portable Power Products Group.

The LP3954 is a lighting management unit that drives two separately controlled white LED backlights for the main and sub-display. In the case of a single large display, these units can be combined together to drive up to six LEDs.

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