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1、-NXP TEA152x STARplug Mini开关电源解决方案关键词：,NXP公司的TEA152x系列是低功耗系统的开关电源控制IC,采用高压EZ-HV SOI工艺和BiCMOS工艺制造,包括高压功率开关和直接从火线电压整流的起动电路,通用电源功率高达30W,火线电压从80 V到276 V,待机功耗低于100mW,主要用在充电器,适配器,STB,DVD,TV/监视器待机电源和PC外设.本文介绍了TEA152x主要特性和优势,方框图以及STARplug Mini演示板主要特性和多种配置电路图与相应的元件列表.TEA152x:SMPS ICs for low-power systemsThe
2、 TEA152x family STARplug is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains. It is implemented in the high-voltage EZ-HV SOI process, combined with a low-voltage Bipolar Complementary Metal-Oxide Semiconductor (BiCMOS) process. The device i
3、ncludes a high-voltage power switch and a circuit for start-up directly from the rectified mains voltage.A dedicated circuit for valley switching is built in, which makes a very efficient slim-line electronic power-plug concept possible.In its most basic version of application, the TEA152x family ac
4、ts as a voltage source.Here, no additional secondary electronics are required. A combined voltage and current source can be realized with minimum costs for external components. Implementation of the TEA152x family renders an efficient and low cost power supply system.TEA152x主要特性和优势: Design
5、ed for general purpose supplies up to 30 W Integrated power switch: TEA1520x: 48 ; 650 V TEA1521x: 24 ; 650 V TEA1522x: 12 ; 650 V TEA1523P: 6.5 ; 650 V Operates from universal AC mains supplies (80 V to 276 V) Adjustable frequenc
6、y for flexible design RC oscillator for load insensitive regulation loop constant Valley switching for minimum switch-on loss Frequency reduction at low power output makes low standby power possible ( 68 %, 12 V version 79 % Low standby (no-load) power: 80 mW OverPower
7、Protection (OPP) OverTemperature Protection (OTP) Built-in basic differential mode ElectroMagnetic Interference (EMI) filter.图2.TEA152x演示演示板外形图图2.TEA152x STARplug Mini默认配置图图3.TEA152x带RCD缓冲器的STARplug Mini配置图图4.TEA152x STARplug Mini初级反激配置图图5.TEA152x STARplug Mini自供电配置图图6.TEA152x简化次级反馈 STARplug Mini配置图默认元件列表: 5V/3W 和12V/5W版本RCD缓冲器增加元件列表:初级反馈增加元件列表: 官网： 中文网：自供电源TEA152x增加元件列表:简化次级反馈增加元件列表:第 17 页-