LP3954 is an advanced lighting management unit for handheld devices. It drives any phone lights including display backlights, RGB, keypad and camera flash LEDs. The boost DC-DC converter drives high current loads with high efficiency. White LED backlight drivers are high efficiency low voltage structures with excellent matching and automatic fade in/ fade out function. The new stand-alone command based RGB controller is feature rich and easy to configure. Built-in audio synchronization feature allows user to synchronize the color LEDs to audio input. Integrated high current driver can drive camera flash LED or motor/vibra. Internal ADC can be used for ambient light or temperature sensing. The flexible SPI/I²C interface allows easy control of LP3954. Small DSBGA package together with minimum number of external components is a best fit for handheld devices.

• Audio Synchronization for Color/RGB LEDs
• Command Based PWM Controlled RGB LED Drivers
• High Current Driver for Flash LED With Built-in Timing
• 4+2 or 6 Low Voltage Constant Current White LED Drivers With Orogrammable 8-Bit Adjustment (0…25mA/LED)
• High Efficiency Boost DC-DC Converter
• SPI / I2C Compatible Interface
• Possibility for External PWM Dimming Control
• Possibility for Clock Synchronization for RGB Timing
• Ambient Light and Temperature Sensing Possibility
• Small Package – DSBGA, 3.0 x 3.0 x 0.6mm

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• Number of channels (#)
• 13
• LED current per channel (mA)
• 25.5
• LED configuration
• Parallel
• Program memory
• Yes
• Programmable ramp control
• Yes
• Vin (Min) (V)
• 3
• Vin (Max) (V)
• 7.2
• Iout (Max) (A)
• 0.4
• Features
• Analog/PWM mixed dimming, Constant current, I2C control
• Iq (Typ) (mA)
• 0.4
• Shutdown current (Typ) (uA)
• 1
• Operating temperature range (C)
• -30 to 85
• Rating
• Catalog

LP3954的完整型号有：LP3954TL/NOPB、LP3954TLX/NOPB，以下是这些产品的关键参数及官网采购报价：

LP3954TL/NOPB，工作温度：-30 to 85，封装：DSBGA (YZR)-36，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网LP3954TL/NOPB的批量USD价格：2（1000+）

LP3954TLX/NOPB，工作温度：-30 to 85，封装：DSBGA (YZR)-36，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网LP3954TLX/NOPB的批量USD价格：2（1000+）

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PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)