TPS61160A
- Input Voltage Range: 2.7 V to 18 V
- 26-V Open LED Protection for TPS61160A
38-V Open LED Protection for TPS61161A - 200mV Reference Voltage With ±2% Accuracy
- PWM Interface for Brightness Control
- Built-in Soft Start
- Up to 90% Efficiency
- 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad
With a 40-V rated integrated switch FET, the TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.
The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in the typical application. During the operation, the LED current can be controlled by a pulse width modulation (PWM) signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.
The TPS61160A/61A is available in a space-saving, 2-mm × 2-mm WSON package with thermal pad.
For all available packages, see the orderable addendum at the end of the data sheet.技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | TPS6116xA White LED Driver with PWM Brightness Control in 2-mm x 2-mm WSON Package 数据表 (Rev. C) | PDF | HTML | 2016年 7月 14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 | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 2018年 12月 11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 | ||||
应用手册 | How to Use Analog Dimming With TPS6116x | 2011年 8月 5日 | ||||
更多文献资料 | Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies | 2001年 2月 15日 |
设计和开发
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
WSON (DRV) | 6 | Ultra Librarian |
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