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TPS92074DDCT

产品分类: AC-DC稳压器
厂牌: TEXAS INSTRUMENTS
产品描述: Step-Down (Buck),Step-Up (Boost) 9V 11V 120V 18V No SOT-23-THIN 导线安装,贴片安装,黏合安装
供应商型号: TPS92074DDCT
供应商: 国内现货
标准整包数: 1000
TEXAS INSTRUMENTS AC-DC稳压器 TPS92074DDCT

TPS92074DDCT概述

    TPS92074 Non-Isolated, Buck PFC LED Driver: A Comprehensive Technical Overview
    1. Product Introduction
    The TPS92074 is a hybrid power factor correction (PFC) controller developed by Texas Instruments specifically for driving LED lighting solutions. Unlike other controllers, it is optimized for non-phase-dimmable LED lamps and area lighting applications, eliminating the need for complex phase dimming compatibility. The device operates on a constant LED current principle, monitoring the rectified AC waveform via an internal digital controller. This approach enables efficient power factor regulation, facilitating high-performance lighting solutions.
    Key functionalities include:
    - Digital synchronization at 50/60 Hz
    - Constant off-time control for high efficiency
    - Adjustable magnetic configurations
    - Compact design with a low BOM cost
    2. Technical Parameters
    Below are the key technical specifications of the TPS92074:
    | Parameter | Specification |

    | Supply Voltage Range (VCC) | 11V to 18V |
    | Quiescent Current (IQ) | 1.3mA to 2.5mA (non-switching) |
    | Peak Current Reference (ISNS) | 445mV to 555mV |
    | Switching Frequency | Variable (controlled by internal off-time timer) |
    | Thermal Limit (TSD) | 160°C |
    | Thermal Hysteresis (THYS) | 20°C |
    The controller supports both 8-pin SOIC and 6-pin TSOT packages, providing flexibility in PCB integration. The thermal characteristics are outlined as follows:
    | Package | θJA (°C/W) | ψJT (°C/W) |
    |
    | SOIC (8-pin) | 112.3 | 12.5 |
    | TSOT (6-pin) | 165.5 | 0.3 |
    3. Product Features and Advantages
    The TPS92074 offers a range of unique features that make it stand out in the market:
    - High Power Factor Solutions: Achieves regulated average LED current while maintaining high power factor (>0.9).
    - Compact Design: Reduced component count and minimal PCB footprint.
    - Low BOM Cost: Cost-effective design reduces material expenses.
    - Patent-Pending Digital Architecture: Unique triangular reference generation ensures smooth output current regulation.
    - Wide Temperature Range: Operates reliably across -40°C to 125°C.
    These features collectively enhance the product's market competitiveness, particularly in areas requiring compact, energy-efficient lighting systems.
    4. Application Case Studies and Usage Recommendations
    The TPS92074 is well-suited for various LED lighting applications, including:
    - Non-Phase-Dimmable LED Lamps: Ideal for environments where dimming is unnecessary.
    - Bulb Replacement: Perfect for retrofitting conventional bulbs with energy-efficient LED counterparts.
    - Area Lighting: Suitable for large-scale public or commercial lighting setups.
    Usage Recommendations:
    - Implement a VSEN pin connection for optimal line synchronization.
    - Use thermal foldback techniques to prevent overheating in high-temperature environments.
    - Optimize the coupling between the TPS92074 and the magnetic components to improve efficiency and reduce EMI.
    5. Compatibility and Support
    The TPS92074 is highly compatible with common LED drivers and AC-DC power supplies. Texas Instruments provides comprehensive support, including:
    - Extensive documentation and application notes.
    - Sample availability for prototyping purposes.
    - Detailed FAQs addressing potential user queries.
    6. Common Issues and Solutions
    Some common issues users might encounter and their corresponding solutions include:
    | Problem | Solution |

    | High LED flickering | Ensur

TPS92074DDCT参数

参数
输出电流 -
功率 -
故障保护 -
开关频率 -
最大输出电压 120V
最大输入电压 18V
内部开关 No
最小输出电压 9V
击穿电压 -
隔离 -
占空比 -
电压 - 电源(Vcc/Vdd) -
拓扑 Step-Down (Buck),Step-Up (Boost)
最小输入电压 11V
通用封装 SOT-23-THIN
安装方式 导线安装,贴片安装,黏合安装
零件状态 在售
包装方式 散装,卷带包装

TPS92074DDCT厂商介绍

Texas Instruments(简称TI),是一家总部位于美国德克萨斯州达拉斯的全球性半导体设计与制造公司,成立于1930年。TI是全球领先的模拟技术、数字信号处理和微控制器(MCU)领域的供应商。

主营产品分类:
1. 模拟产品:包括电源管理、信号链和接口产品,广泛应用于工业、汽车、医疗等领域。
2. 嵌入式处理:包括微控制器(MCU)、数字信号处理器(DSP)和处理器,广泛应用于消费电子、工业控制、汽车电子等领域。
3. 无线产品:包括无线通信模块和解决方案,应用于物联网、智能城市、智能家居等领域。
4. 计算器:TI也是知名的计算器制造商,拥有多款科学计算器和图形计算器产品。

应用领域:
TI的产品和技术广泛应用于通信、计算机、消费电子、汽车、工业、医疗等多个领域。

优势:
1. 技术创新:TI在模拟、嵌入式处理和无线通信领域拥有强大的研发实力和专利技术。
2. 产品多样性:TI提供广泛的产品线,满足不同客户的需求。
3. 客户支持:TI在全球设有技术支持中心,为客户提供专业的技术支持和解决方案。
4. 供应链管理:TI拥有强大的供应链管理能力,确保产品的稳定供应和交付。

TPS92074DDCT数据手册

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TEXAS INSTRUMENTS AC-DC稳压器 TEXAS INSTRUMENTS TPS92074DDCT TPS92074DDCT数据手册

TPS92074DDCT封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
1000+ ¥ 4.4722
2000+ ¥ 4.3585
3000+ ¥ 4.2448
库存: 7000
起订量: 1000 增量: 250
交货地:
最小起订量为:1000
合计: ¥ 4472.2
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