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TPS92075

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具有数字参考控制的非隔离式、相位可调光、降压 PFC LED 驱动器

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TPS92075

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产品详情

Input voltage type AC/DC Topology Buck, Buck-Boost Vin (min) (V) 11 Vin (max) (V) 18 Vout (max) (V) 120 Vout (min) (V) 9 Iout (max) (A) 2 Iq (typ) (mA) 1.3 Features Adjustable Switch Frequency, Soft Start, Thermal shutdown Operating temperature range (°C) -40 to 125 Dimming method Analog, Forward Phase (Triac), PWM, Reverse Phase Number of channels 1 Rating Catalog
Input voltage type AC/DC Topology Buck, Buck-Boost Vin (min) (V) 11 Vin (max) (V) 18 Vout (max) (V) 120 Vout (min) (V) 9 Iout (max) (A) 2 Iq (typ) (mA) 1.3 Features Adjustable Switch Frequency, Soft Start, Thermal shutdown Operating temperature range (°C) -40 to 125 Dimming method Analog, Forward Phase (Triac), PWM, Reverse Phase Number of channels 1 Rating Catalog
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) SOT-23-THN (DDC) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • Controlled Reference Derived PFC
  • Integrated Digital Phase-Angle Decoder
  • Digital 50/60 Hz Synchronization
  • Phase-Symmetry Balancing
  • Constant LED current operation
  • Fast Start-up
  • Dimming Implemented Via Analog Reference Control
  • Smooth Dimming Transitions
  • Overvoltage Protection
  • Feedback Short-Circuit Protection
  • Leading and Trailing Edge Dimmer Compatibility
  • Low BOM Cost and Small PCB Footprint
  • Patent Pending Digital Architecture
  • Available in 8-Pin SOIC and 6-Pin TSOT
  • Controlled Reference Derived PFC
  • Integrated Digital Phase-Angle Decoder
  • Digital 50/60 Hz Synchronization
  • Phase-Symmetry Balancing
  • Constant LED current operation
  • Fast Start-up
  • Dimming Implemented Via Analog Reference Control
  • Smooth Dimming Transitions
  • Overvoltage Protection
  • Feedback Short-Circuit Protection
  • Leading and Trailing Edge Dimmer Compatibility
  • Low BOM Cost and Small PCB Footprint
  • Patent Pending Digital Architecture
  • Available in 8-Pin SOIC and 6-Pin TSOT

The TPS92075 is a hybrid power factor controller (PFC) with a built-in phase dimming decoder. The device analyzes line cycles continuously using an internal, low-power, digital controller for shape and symmetry. The power converter stage generates an analog current reference and uses it to regulate the output current. The device uses control algorithms to manipulate the analog reference. These algorithms optimize dimmer compatibility, power factor and total harmonic distortion (THD).

Using a constant off-time control, the solution achieves low component count, high efficiency and inherently provides variation in the switching frequency. This variation creates an emulated spread spectrum effect easing the converters EMI signature and allowing a smaller input filter.

The TPS92075 also includes standard features: current limit, overvoltage protection, thermal shut-down, and VCC undervoltage lockout, all in packages

The TPS92075 is a hybrid power factor controller (PFC) with a built-in phase dimming decoder. The device analyzes line cycles continuously using an internal, low-power, digital controller for shape and symmetry. The power converter stage generates an analog current reference and uses it to regulate the output current. The device uses control algorithms to manipulate the analog reference. These algorithms optimize dimmer compatibility, power factor and total harmonic distortion (THD).

Using a constant off-time control, the solution achieves low component count, high efficiency and inherently provides variation in the switching frequency. This variation creates an emulated spread spectrum effect easing the converters EMI signature and allowing a smaller input filter.

The TPS92075 also includes standard features: current limit, overvoltage protection, thermal shut-down, and VCC undervoltage lockout, all in packages
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技术文档

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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 Non-isolated, Phase Dimmable, Buck PFC LED Driver with Digital Ref Control 数据表 (Rev. B) 2013-9-20
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
选择指南 电源管理指南 2018 2018-7-31
用户指南 Using the TPS92075 Buck Converter 2013-6-14
用户指南 Using the TPS92075 Buck-Boost EVM (Rev. A) 2013-4-16

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

TPS92075EVM2 — TPS92075EVM2 非隔离式、相位可调光、降压-升压 PFC LED 驱动器数字评估模块

The TPS92075EVM2 implements a 120V buck dimming solution using the TPS92075 integrated circuit from Texas Instruments. The TPS92075 is a hybrid power factor controller with a built-in phase dimming decoder. The EVM can support applications up to ~13W and includes output at LED voltage up to 35V.
支持的产品和硬件
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计算工具

TPS92075DESIGN-CALC — TPS92075 设计计算器

TPS92075 设计计算器是一种基于 Excel 的设计工具，用于帮助为具有数字基准控制功能的 TPS92075 非隔离式相位调光降压 PFC LED 驱动器确定外部组件值。TPS92075 AC/DC LED 驱动器适用于相位调光（TRIAC 和后缘型）LED 照明应用，例如 LED 灯和筒灯。
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 8 Ultra Librarian
SOT-23-THN (DDC) 6 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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