LED照明驱动器 Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test 30-DSBGA -30 to 85
The LP5527 is a lighting management unit for handheld devices with I2C compatible control interface. The LP5527 has a step-up DC-DC converter with high current output, and it drives display and keypad backlights and powers the camera flash LED. In addition, the DC-DC converter has the output current to power, for example, an audio amplifier simultaneously. The chip has four 8-bit programmable high-efficiency constant-current LED drivers and a flash LED driver. Built-in audio synchronization feature allows the user to synchronize one of the LEDs to audio input.
The LP5527 has an integrated 400-mA flash driver with a safety stop feature and 50-mA torch mode. An external enable pin is provided for synchronizing the flash with the camera action. An external software-independent test interface provides a fast way to find a broken path or short on LED circuits. Very small DSBGA package together with minimum number of external components is a best fit for handheld devices.
频率 1MHz ~ 2MHz
输出接口数 5
输入电压DC 3.00V ~ 5.50V
输出电压 5 V
输出电流 400 mA
供电电流 1.30 A
调节输出数 5
开关频率 2.00 MHz
工作温度Max 85 ℃
工作温度Min -30 ℃
电源电压 3V ~ 5.5V
输入电压 3V ~ 5.5V
安装方式 Surface Mount
引脚数 30
封装 WFBGA-30
长度 2.97 mm
宽度 2.47 mm
高度 0.36 mm
封装 WFBGA-30
工作温度 -30℃ ~ 85℃ TA
产品生命周期 Active
包装方式 Tape & Reel TR
RoHS标准 RoHS Compliant
含铅标准 Lead Free