Model & package intelligence
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TEA19161T/2Y TEA19161T
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- NXP TEA19161T / 2Y
- Type
- NXP
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TEA19161T/2Y
- Electronic Component
- 1
- Package
- SO-16
- Electronic Component
- AC-DC Controllers and Regulators
- Electronic Component
- 0.282g
- Electronic Component
- 1
- Features
- Audio;;; (OTP);; (UVP); (OVP); (OCP)
- Electronic Component
- Electronic Component
- Electronic Component
- BM0058430770
- Operating Voltage
- 19.1V
- Switching Frequency
- 500kHz
- Electronic Component
- Electronic Component
- Isolation
- Isolated
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TEA19161T/2Y 产品概述
一、产品简介
TEA19161T/2Y 是恩智浦（NXP）面向隔离式有源功率因数校正（PFC）前端的高集成控制器，工作于间歇导电模式（DCM），开关频率约为 500kHz，封装为 SO-16。该器件以副边反馈作为电压/电流闭环手段，适用于中小功率离线电源、适配器、充电器及工业开关电源中需要高能效与紧凑体积的场合。
二、主要特性
- 工作模式：间歇导电模式（DCM），便于在轻载时降低开关损耗并简化磁性设计。
- 开关频率：500kHz，帮助减小磁性元件体积，利于小型化设计。
- 保护功能：集成过热保护（OTP）、欠压保护（UVP）、过压保护（OVP）与过流保护（OCP），提高系统可靠性。
- 反馈方式：副边反馈，支持通过光耦或次级脉冲/辅助绕组回传精确的输出调节信号，适配隔离系统拓扑。
- 封装与制造：SO-16 封装，便于 PCB 布局和散热管理。
三、应用场景
- 需要隔离与高功率因数的离线适配器与充电器；
- 中小功率开关电源（含工业与消费类电源）；
- LED 驱动器与功率模块中要求稳定输出与多重保护的场合；
- 作为 PFC 级前端配合后级隔离式拓扑（如半桥、全桥或单端反激）使用。
四、设计要点与建议
- 开关器件：TEA19161 通常与外部功率 MOSFET 配合使用，需根据最大输入电压与峰值电流选择合适的器件并做好栅极驱动与吸收网络设计。
- 电流检测：采用低阻值电阻或电流变比合适的传感器实现精确过流检测，保证 OCP 响应可靠。
- 副边反馈：推荐使用光耦或次级辅助绕组配合基准和误差放大电路实现精确稳压，注意光耦线性与温漂特性。
- EMI 与滤波：DCM 工作点在开关边沿产生较强谐波，合理设计输入 EMI 滤波与磁芯选型、布置共模/差模电感以满足法规。
- 热管理：SO-16 封装需合理布局大电流轨与散热铜箔，必要时在 PCB 上增加散热面以控制结温，配合 OTP 提升系统可靠性。
五、优势与注意事项
- 优势：高频率（500kHz）与 DCM 工作带来体积与成本优化、轻载效率提升，同时内建多重保护简化系统安全设计。
- 注意事项：DCM 下峰值电流较高，需针对电感和开关器件进行峰值能量与热应力评估；副边反馈回路需校准带宽与相位裕度，保证系统稳定性。
六、结论
TEA19161T/2Y 为追求高功率因数、体积小、可靠性高的隔离式电源设计提供了实用的控制解决方案。通过合理的磁性、器件选型与 PCB 布局，可在多种中小功率电源产品中实现高效稳定的性能表现。若用于量产建议参考恩智浦的应用手册与参考设计以优化器件选型与 EMC/热设计。
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