PCs and Laptops

Non-isolated DC/DC regulators with wide input voltage ranges and LED Drivers for backlighting TFT Displays as CCFL replacement with LED Light Bars 

Allegro supplies a variety of solutions for PC’s and Laptops including cooling fan motor drivers, voltage regulators, backlight display drivers, and Hall based position and current sensors. Both single and three phase brushless DC cooling fan motor drivers are offered with HALL sensor inputs for commutation or full sensorless solutions. Cooling fan designs need to be both efficient and have low audible noise. To meet these requirements Allegro’s fan motor drivers include unique features such as sinusoidal commutation, soft switching, phase advance, soft start and flexible closed loop speed control. Motor drivers are offered with either integrated DMOS power outputs or with MOSFET gate drivers for higher power applications.

Allegro offers non-isolated DC/DC regulators with wide input voltage ranges. We also have a wide selection of LED Drivers for backlighting TFT Displays as CCFL replacement with LED Light Bars. These devices can accommodate a variety of LED load requirements with respect to the quantity, configuration, and current through the LEDs.

Allegro offers a wide array of Hall-based Position and Current Sensors that provide the necessary feedback signals to optimize system performance and enable a rapid detection of fault conditions that could prevent expensive damage from occurring. The current sensors include patented, packaging technology, which provides very high levels of voltage isolation to enhance system safety.

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