IRIRS2573D全集成全保护600V70WHID灯控制方案

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1、IRIRS2573D全集成全保护600V70WHID灯控制方案关键词：电源管理,HID灯,镇流器IR公司的IRS2573D是全集成全保护600VHID灯控制集成电路，集成了点火时序控制，恒流灯功率控制，可编全桥运行频率，可编过压和欠压保护以及可编过流保护。器件还具有600V高边和低边全桥驱动器，600V高边降压驱动器，低边点火FET栅极驱动器。本文介绍了IRS2573D主要特性，方框图，典型应用电路图和70WHID镇流器主要特性，方框图，电路图，材料清单和PCB布局图。TheIRS2573Disafully-integrat

2、ed,fully-protected600VHIDcontrolICdesignedtodrivealltypesofHIDlamps.Internalcircuitryprovidescontrolforignition,warm-up,runningandfaultoperatingmodes.TheIRS2573Dfeaturesineludeignitiontimingcontrol,constantlamppowercontrol,programmablefull-bridgerunningfrequency,pr

3、ogrammableoverandunder-voltageprotect!onandprogrammableover-currentprotection.Advaneedprotectionfeaturessuchasfailureofalamptoignite,openload,short-circuitandaprogrammablefaultcounterhavealsobeenineludedinthedesign.IRS2573D主要特性：Buck,full-bridgeandlampcontroIinoneIC

4、Continuous/c「itical-conductionmodebuckcontrol600Vhighandlow-sidefull-bridgedriver600Vhigh-sidebuckDriverLow-sideignitionFETgatedriverIntegratedbootstrapFETsforfull-bridgehigh-sidedriversConstantlamppowercontrolProgrammablebuckcycle-by-cycleover-currentprotectionPro

5、grammablebuckoutputvoltagelimitationProgrammablelampcurrentlimitationProgrammablefull-bridgefrequencyFaultlatchresetinputProgrammableignitioncounter(21sec/64sectypical)Programmablelampunder-voltagefaultcounter(197sectypical)forshort-circuitorlampdoesnotwarm-upFastt

6、ransientlampunder-voltageeventcounter(16384typical)forarcinstabilityorend・of-lifeProgrammablelampover-voltagefaultcounter(787sectypical)foropen・circuitorlampextinguishesProgrammablegoodfaultresetcounter(2730sectypical)Micro-controllercompatibletimingthresholdsInter

7、nal15.6VzenerclampdiodeonVCCMicropowerstartup(150

8、jA)LatchimmunityandESDprotectiononallpinsHflb^deBudeChIhRrtwrZCuntncSons两V9RQBUCKQsVSBICOMP[JzxQui哼ocvcc垢ENSECOMrstVSENSETCLK巨Ca»Drrvo<1010X¥0TIGHESCorflTDiFiMlMiidTimerLogcHigbeeGaOeOnvec图1oIRS2573D方框图口一RS2573D兰Txl

9、%£tt■:MM图2oIRS2573D典型应用电路图70WHID镇流器HIDBallastfor70WLampUsingtheIRS2573DTheIRPLHID2refereneedesignkitconsistsofacompleteballastsolutionfora70WHIDl