IR IRS2573D 70W HID燈鎮(zhèn)流器解決方案

1、IR IRS2573D 70W HID燈鎮(zhèn)流器解決方案關(guān)鍵詞：電源管理, HID燈鎮(zhèn)流器,AC/DC轉(zhuǎn)換器IR公司的IRS2573D 是全集成全保護(hù)的600V HID控制器IC,可驅(qū)動(dòng)任何類(lèi)型的HID燈.器件內(nèi)部電路提供了點(diǎn)火,預(yù)熱,運(yùn)行和故障操作模式.具有600V高邊和低邊全橋驅(qū)動(dòng)器,內(nèi)部的15.6V齊納二極管箝位VCC,微功耗150uA起動(dòng).本文介紹了IRS2573D主要特性,方框圖, 典型應(yīng)用框圖以及采用IRS2573D的70W HID燈鎮(zhèn)流器參考設(shè)計(jì)主要特性,框圖,電路圖,材料清單和PCB布局圖.The IRS2573D is a fully-integrated, full

2、y-protected 600V HID control IC designed to drive all types of HID lamps. Internal circuitry provides control for ignition, warm-up, running and fault operating modes. The IRS2573D features include ignition timing control, constant lamp power control, programmable full-bridge running frequency, prog

3、rammable over and under-voltage protection and programmable over-current protection. Advanced protection features such as failure of a lamp to ignite, open load, short-circuit and a programmable fault counter have also been included in the design.IRS2573D主要特性:Buck, full-bridge and lamp control in on

4、e ICContinuous/critical-conduction mode buck control600V high and low-side full-bridge driver600V high-side buck DriverLow-side ignition FET gate driverIntegrated bootstrap FETs for full-bridge high-side driversConstant lamp power controlProgrammable buck cycle-by-cycle over-current protectionProgra

5、mmable buck output voltage limitationProgrammable lamp current limitationProgrammable full-bridge frequencyFault latch reset inputProgrammable ignition counter (21sec/64sec typical)Programmable lamp under-voltage fault counter (197sec typical) for short-circuit or lamp does not warm-upFast transient

6、 lamp under-voltage event counter (16384 typical) for arc instability or end-of-lifeProgrammable lamp over-voltage fault counter (787sec typical) for open-circuit or lamp extinguishesProgrammable good fault reset counter (2730sec typical)Micro-controller compatible timing thresholdsInternal 15.6V ze

7、ner clamp diode on VCCMicropower startup (150A)Latch immunity and ESD protection on all pins圖1.IRS2573D方框圖圖2.IRS2573D典型應(yīng)用框圖采用IRS2573D的70W HID燈鎮(zhèn)流器參考設(shè)計(jì)The IRPLHID2 reference design kit consists of a complete ballast solution for a 70W HID lamp. The design contains an EMI filter, low voltage power supp

8、ly, active power factor correction and a ballast control circuit using the IRS2573D. This demo board is intended to help with the evaluation of the IRS2573D HID ballast control IC, demonstrate PCB layout techniques and serve as an aid in the development of production ballasts using the IRS2573D.70W

9、HID燈鎮(zhèn)流器參考設(shè)計(jì)主要特性:Drives 1 x 70W HID lampInput voltage range: 185-265 VACHigh Power Factor / Low Total Harmonic DistortionControlled ignitionLow frequency square wave operationLamp power and current controlOpen circuit and no-lamp protectionShort circuit and lamp failure to warm-up protectionLamp end-of-life shutdownIRS2573DSPbF HID Ballast Control IC圖3.70W HID燈鎮(zhèn)流器參考設(shè)計(jì)外形圖