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LP3954TL/NOPB Datasheet(PDF) 1 Page - Texas Instruments |
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LP3954TL/NOPB Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 60 page  LP3954 www.ti.com SNVS340D – JUNE 2005 – REVISED MARCH 2013 Advanced Lighting Management Unit Check for Samples: LP3954 1 FEATURES DESCRIPTION LP3954 is an advanced lighting management unit for 2 • Audio Synchronization for Color/RGB LEDs handheld devices. It drives any phone lights including • Command Based PWM Controlled RGB LED display backlights, RGB, keypad and camera flash Drivers LEDs. The boost DC-DC converter drives high • High Current Driver for Flash LED With Built-in current loads with high efficiency. White LED backlight drivers are high efficiency low voltage Timing structures with excellent matching and automatic fade • 4+2 or 6 Low Voltage Constant Current White in/ fade out function. The new stand-alone command LED Drivers With Orogrammable 8-Bit based RGB controller is feature rich and easy to Adjustment (0…25mA/LED) configure. Built-in audio synchronization feature • High Efficiency Boost DC-DC Converter allows user to synchronize the color LEDs to audio input. Integrated high current driver can drive camera • SPI / I2C Compatible Interface flash LED or motor/vibra. Internal ADC can be used • Possibility for External PWM Dimming Control for ambient light or temperature sensing. The flexible • Possibility for Clock Synchronization for RGB SPI/I2C interface allows easy control of LP3954. Timing Small DSBGA package together with minimum number of external components is a best fit for • Ambient Light and Temperature Sensing handheld devices. Possibility • Small Package – DSBGA, 3.0 x 3.0 x 0.6mm APPLICATIONS • Cellular Phones • PDAs, MP3 players 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 © 2005–2013, 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. |
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