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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LP5526TL/NOPB Fiches technique(PDF) 1 Page - Texas Instruments |
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LP5526TL/NOPB Fiches technique(HTML) 1 Page - Texas Instruments |
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1 / 41 page  LP5526 SW MAIN SUB RLED GLED BLED Li-Ion Battery or Charger = 150 mA = 8V...20 V FB VDD2 10 F L1 10 PH P MCU SCL SDA SUB BACKLIGHT 0...25 mA/LED MAIN BACKLIGHT 0...25 mA/LED NRST VDDIO IRGB IRT VDDA 100 nF VREF D1 VDD1 100 nF GND 1-5 100 nF 1 PF GPIO[0]/PWM GPIO[1] GPIO[2] 2 x 4.7 uF FLASH 0...150 mA COUT IMAX VOUT CVDDA CIN CVDD CVREF RRGB RRT RSDA VDDIO CVDDIO 82 k Ö LP5526 www.ti.com SNVS431D – FEBRUARY 2006 – REVISED MARCH 2013 Lighting Management Unit With High-Voltage Boost Converter With up to 150-mA Serial Flash LED Driver Check for Samples: LP5526 1 FEATURES DESCRIPTION LP5526 is a Lighting Management Unit for portable 2 • High-Efficiency Boost Converter With applications. It is used to drive display backlights, Programmable Output Voltage up to 20V keypad LEDs, RGB LEDs and camera flash LEDs. • Two Individual Drivers for Serial Display LP5526 can drive 2 separately connected strings of Backlight LEDs LEDs with high voltage boost converter. The RGB driver allows driving either individual color LEDs or • Automatic Dimming Controller RGB LED from separate supply power, or it can be • Standalone RGB Controller used to drive series connecter flash LEDs from high • Dedicated Flash Function voltage boost converter. • Safety Function to Avoid Prolonged Flash The backlight drivers (MAIN and SUB pins) are both • Three General-Purpose IO Pins high resolution constant current mode drivers. The flash outputs can drive series connected flash LED • 25-Bump DSBGA Package: (2.54mm x 2.54mm with up to 150mA of current. External PWM control x 0.6mm) can be used for dimming any selected LED outputs or it can be used to trigger the flash. The flash has also APPLICATIONS 1-second safety timer. • Cellular Phones and PDAs The device is controlled through a 2-wire low-voltage • MP3 Players I2C compatible interface that reduces the number of • Digital Cameras required connections. Typical Applications Figure 1. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Numéro de pièce similaire - LP5526TL/NOPB |
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