Freescale Led Driver For Mac


AUSTIN, Texas--( )--Enabling slimmer laptops with brighter screens and extended battery life, light-emitting diodes (LEDs) are rapidly replacing cold cathode fluorescent lamps (CCFL) as the dominant backlighting technology for liquid crystal displays (LCDs) used in notebook PCs and industrial and medical displays. However, use of LEDs in notebook LCDs presents technical challenges, such as the generation of audible noise and visual artifacts that can diminish the end-user experience. To help manufacturers overcome these challenges, Freescale Semiconductor has introduced the MC34845 LED driver with high-speed pulse width modulation (PWM) capability. This six-channel device is designed to allow LED backlights to operate at frequencies above the audible range, thereby eliminating noise issues and reducing visual artifacts. Mountain lion download for macbook. In addition, the driver’s accuracy and flexibility offer display uniformity and a wide dimming range to further enhance end-user experiences. Professional resume examples it specialist.

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The MC34845 LED driver is ideal for backlighting applications in notebook displays ranging in size from seven inches to more than 17 inches, as well as other applications that use multiple low-power LEDs, such as lighting products. According to DisplaySearch, the penetration rate of LED backlights in large-size (10 inches and greater) thin film transistor (TFT) LCDs is expected to grow from approximately 7 percent in the fourth quarter of 2008 to 23 percent in the fourth quarter of 2009. By 2012, more than half of all large-size TFT LCDs – and 100 percent of notebook PCs – will have LED backlights. Factors driving the fast adoption of LED backlighting technology include energy-efficient operation leading to extended battery life, and the ability to design slimmer displays for thinner, lighter laptops. Macheist offers early access to tweetie 2 for mac. LED backlighting also offers an environmentally friendly solution compared to CCFL displays, which contain mercury. “The outstanding performance, accuracy and flexibility of the MC34845 driver helps manufacturers avoid a host of issues associated with LED drivers operating at lower frequencies,” said Michael Jennings, market segment manager for display products in Freescale’s Analog, Mixed-Signal and Power Division.

This entry was posted on 06.10.2018.