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LP5520

LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520

RGB 背光 LED 驅(qū)動器; ? Temperature Compensated LED Intensity and Color\n? Individual Calibration Coefficients for Each Color\n? Color Accuracy ΔX and ΔY ≤ 0.003\n? 12-Bit ADC for Measurement of 2 Sensors\n? Adjustable Current Outputs for Red, Green, and Blue (RGB) LED \n? 0.2% Typical LED Output Current Matching\n? PWM Control Inputs for Each Color\n? SPI and I2C-Compatible Interface\n? Stand-Alone Mode With One-Wire Control\n? Sequential Mode for One Color at a Time\n? Magnetic High Efficiency Boost Converter \n? Programmable Output Voltage from 5 V to 20 V\n? Adaptive Output Voltage Control Option\n?;

The LP5520 is an RGB backlight LED driver for small format color LCDs. RGB backlights enable better colors on the display and power savings compared with white LED backlights. The device offers a small and simple driver solution without need for optical feedback. Calibration in display module production can be done in one temperature. The LP5520 produces true white light over a wide temperature range. Three independent LED drivers have accurate programmable current sinks and PWM modulation control. Using internal calibration memory and external temperature sensor, the RGB LED currents are adjusted for perfect white balance independent of the brightness setting or temperature. The user programmable calibration memory has intensity vs temperature data for each color. This white balance calibration data can be programmed to the memory on the production line of a backlight module.\n The device has a magnetic boost converter that creates a supply voltage of up to 20 V LED from the battery voltage. The output can be set at 1-V steps from 5 V to 20 V. In adaptive mode the circuit automatically adjusts the output voltage to minimum sufficient level for lowest power consumption. Temperature is measured using an external temperature sensor placed close to the LEDs. The second ADC input can be used, for example, for ambient light measurement.\nFor all available packages, see the orderable addendum at the end of the data sheet. \n

LP5520

RGB Backlight LED Driver

LP5520

RGB Backlight LED Driver

LP5520TL/NOPB

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520TL/NOPB.A

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520TLSLASHNOPB

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520TLSLASHNOPB.A

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520TLX/NOPB

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr

LP5520TLX/NOPB.A

Marking：5520；Package：DSBGA；LP5520 RGB Backlight LED Driver

1Features 1?TemperatureCompensatedLEDIntensityand Color ?IndividualCalibrationCoefficientsforEachColor ?ColorAccuracyΔXandΔY≤0.003 ?12-BitADCforMeasurementof2Sensors ?AdjustableCurrentOutputsforRed,Green,and Blue(RGB)LED ?0.2%TypicalLEDOutputCurr