TPS61161
- 2.7-V to 18-V Input Voltage Range
- 26-V Open LED Protection (TPS61160)
- 38-V Open LED Protection (TPS61161)
- 200-mV Reference Voltage With ±2% Accuracy
- Flexible Digital and PWM Brightness Control
- Built-in Soft Start
- Up to 90% Efficiency
With a 40-V rated integrated switch FET, the TPS61160 and TPS61161 are boost converters that drive LEDs in series. The boost converters run at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allow 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 . During the operation, the LED current can be controlled using the one-wire digital interface (EasyScale protocol) through the CTRL pin. Alternatively, a pulse width modulation (PWM) signal can be applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In either digital or PWM mode, the TPS61160 and TPS61161 do not burst the LED current; therefore, they do not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disable the TPS61160 and/or TPS61161 to prevent the output voltage from exceeding the device's absolute maximum voltage ratings during open LED conditions.
The TPS61160 and TPS61161 are 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
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | TPS6116x White LED Drivers With Digital and PWM Brightness Control in 2-mm x 2-mm WSON Package 数据表 (Rev. E) | PDF | HTML | 2016-7-14 | ||
| 白皮书 | 常见 LED 功能和 LED 驱动器设计注意事项 | 英语版 | 2020-9-21 | |||
| 应用手册 | Some Guidelines and Tips for the LED Driver Application | 2019-8-14 | ||||
| 应用手册 | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 2018-12-11 | ||||
| 选择指南 | 电源管理指南 2018 | 2018-7-31 | ||||
| 应用手册 | Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) | 2017-11-29 | ||||
| 应用手册 | Extending the Soft Start Time Without a Soft Start Pin (Rev. B) | 2017-6-15 | ||||
| 应用手册 | Simple Backlight Driver Dimming Performance | 2017-3-20 | ||||
| 应用手册 | Analog PWM Dimming in White-LED Drivers | 2016-12-21 | ||||
| 应用手册 | Inductor Selection in Boost Converters for LCD Backlight Applications | 2016-10-24 | ||||
| 应用手册 | Schottky Diode Selection in Asynchronous Boost Converters | 2016-9-6 | ||||
| 应用手册 | How to Use Analog Dimming With TPS6116x | 2011-8-5 |
设计与开发
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TPS61161EVM-243 — TPS61161EVM-243 评估模块
The TPS61161EVM-243 facilitates evaluation of the TPS61161 White LED Driver with Digital and PWM Brightness Control. With its 40 V rated integrated switch FET, the TPS61161 is a boost converter to drive up to 10 LEDs in series. The boost converter runs at 600 kHz fixed switching (...)
TPS6116XEVM-SW — TPS6116x 评估模块的软件
The TPS6116xEVM-SW software provides a software interface for the TPS6116x/70 EVM boards. Use this software to change the TPS6116x IC register via the USB Interface Adapter.
SLVC366 — Design Tool for Analog Dimming Using a PWM Signal
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| WSON (DRV) | 6 | Ultra Librarian |
订购和质量
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