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A PWM linear LED driver, the AL1783Q from Diodes, gives impartial management of brightness and colour on all three of its channels. Used for automotive inside and exterior lighting, the AL1783Q delivers 250 mA per channel to assist greater LED present ranges in a wider vary of lighting functions.
The machine permits car occupants to alter inside lighting colours to go well with their temper. It concurrently permits animated turn-indicator alerts and exterior grill lighting for various highway situations. Three exterior REF pins are used to set LED present for every channel, whereas 40-kHz PWM gives impartial dimming management.
Since greater voltage rails are sometimes used to energy car subsystems, the AL1783Q operates from a 55-V rail, permitting it to accommodate growing LED chain voltages. Safety capabilities embrace undervoltage lockout, overvoltage, and overtemperature, in addition to LED open and short-circuit detection.
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Certified to AEC-Q100 necessities, the AL1783Q operates over a temperature vary of -40°C to +125°C. It is available in a TSSOP-16EP bundle that has an uncovered cooling pad for improved warmth dissipation. The AL1783Q LED driver prices $0.43 every in a lot of 2500 items.
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