LP5522
- Programmable Blinking Sequence
- 1 to 3 Programmable Pulses
- 1 ms to 255 ms LED on Time
- 10 ms to 2500 ms LED Off Time
- Single or Continuous Run of Programmed Blinking Sequence
- Constant Current High Side Output Driver
- Adjustable Current with External Resistor
- 0.2 µA Typical Shutdown Current
- Autonomous Operation without External Clock
- DSBGA-6 Package with 0.4 mm Pitch:
- 1.215 mm x 0.815 mm x 0.6 mm (LxWxH)
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The LP5522 is a simple single wire programmable LED controller in six bump DSBGA package. It provides constant current flow through high side driver. Output current can be set from 1 mA to 20 mA by using an external resistor on the ISET pin. If no external resistor is used, output current is set to 5 mA default current. The LP5522 is controlled using only one signal. The signal controls either directly the LED driver or it launches previously programmed blinking sequence.
The LP5522 works autonomously without a clock signal from the master device. Very low LED driver headroom voltage makes possible to use supply voltages close to LED forward voltage. Current consumption of the LP5522 is minimized when LED is turned off and once controller is disabled all supporting functions are also shut down. Very small DSBGA package together with minimum number of external components is a best fit for handheld devices.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | LP5522 Programmable LED Driver 数据表 (Rev. A) | 2013年 3月 11日 | |||
白皮书 | 常见 LED 功能和 LED 驱动器设计注意事项 | 英语版 | 2020年 9月 21日 | |||
应用手册 | How to Select a RGB LED Driver | 2019年 8月 8日 | ||||
选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
选择指南 | 电源管理指南 2018 (Rev. R) | 2018年 6月 25日 | ||||
用户指南 | AN-1636 LP5522 Evaluation Kit (Rev. A) | 2013年 4月 30日 | ||||
应用手册 | 具备颜色管理功能的发光二极管驱动器:前景一片璀璨 | 英语版 | 2007年 6月 20日 | |||
应用手册 | AN-1636 LP5522 Evaluation Kit (cn) | 最新英语版本 (Rev.A) | 2007年 6月 13日 |
设计和开发
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LP5522TMEV — PowerWise® 系统可编程 LED 驱动器
The LP5522 is a simple single wire programmable LED controller in six bump micro SMD package. It provides constant current flow through high side driver. Output current can be set from 1mA to 20mA by using an external resistor on the ISET pin. If no external resistor is used, output current is set (...)
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
DSBGA (YFQ) | 6 | Ultra Librarian |
订购和质量
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- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
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