Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface

文件：953.22 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface

文件：981.89 Kbytes 页数：24 Pages

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ADP1653: 小尺寸、高效率、大功率、闪光灯/手电筒模式LED驱动器，双模式接口

ADP1653是一款专为手机优化的超小尺寸、高效率、大功率、闪光灯LED驱动器。该器件的高效率与动态LED电流控制可以在微暗的环境下提高闪光灯的亮度和图像质量。ADP1653的峰值效率为92%，在锂电供电情况时，性能要优于电荷泵解决方案\nADP1653具有双模式接口，可以配置为2 bit逻辑或I2C®接口。利用外部电阻或通过I2C接口可以对指示与大功率LED电流进行编程。为了使整个闪光灯亮度最大，ADP1653提供输入可以在50 μs内降低闪光灯电流，即Tx mask。在RF传输过程中，Tx masking可以通过降低LED电流来降低功耗。\nADP1653解决方案在I2C模式仅需要 2.1 A, 12 V电源开关\n6.4 mm × 7.2 mm的小尺寸解决方案\n92% 高效能\n低噪声：1.2 MHz PWM \n可编程定时器寄存器: 闪光灯超时高达820 ms\n可编程指示灯LED电流，高达20 mA\n可编程闪光灯和手电筒模式电流 \n手电筒模式，高达200 mA\n闪光灯模式，高达500 mA \n在50 μs内启动Tx masking\n安全特性\n中断输出引脚\n故障条件寄存器，短路保护\n输出过压保护\n过热保护\n集成电流限制与软启动\n引脚选择接口: 2 bitI2C: 2-bit 逻辑或 I2C \n输入电压范围：2.75 V ～5.5 V ;

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Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface

文件：979.95 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface

文件：981.89 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface

文件：953.22 Kbytes 页数：24 Pages

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丝印：L3H；Package：LFCSP；Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface

文件：981.89 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface

文件：953.22 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface

文件：981.89 Kbytes 页数：24 Pages

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Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface

文件：953.22 Kbytes 页数：24 Pages

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