The LP5524 is a highly integrated dual-zone LED driver thatcan drive up to four LEDs in parallel with a total output currentof 100mA. Regulated high side internal current sources deliverexcellent current and brightness matching in all LEDs.LED driver current sources are split into two independentlycontrolled banks for driving secondary displays, keypad andindicator LEDs. Brightness control is achieved by applyingPWM signals to each enable pin. Default LED current is factory-programmable and an optional external resistor can beused to set LED current to user programmable values.
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