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Panel-Backlighting-Slide11
The market segment of industrial panels mainly consists of 6” to 22” panels with long life LED backlighting. Typical applications are: Military and Avionics, Medical, Industrial, rugged notebooks, Point of Sale terminals, instrumentation, kiosks and automotive infotainment. The MSL106x LED driver family provides an internal boost controller and an internal current control MOSFET to sink up to 30 mA per LED string. These devices can drive up to six strings with up to twelve white LEDs per string, for a total of seventy two LEDs per device, scalable up to four devices. These solutions address the notebook, industrial and medical LCD panel markets, where design simplicity, small BOM and internal digital compensation are critical. An I²C/SMBus compatible serial interface is available, which operates up to 1MHz, giving access to internal 8-bit PWM dimming and 4-bit analog current adjustment for 12-bit current control. Individual string control and fault reporting are also available via the I²C/SMBus. The MSL1061 operates with one of four I²C slave addresses selected from a single input pin (AD0). This allows for scalability up to four devices on one bus to address large LCD panels, whereas the lower-cost MSL1064 offers one fixed I²C slave address for small panels.
PTM Published on: 2011-12-21