IR IRS2573D 70W HID灯镇流器解决方案.docx

IR IRS2573D 70W HID 灯镇流器解决方案关键词: 电源管理, HID 灯镇流器, AC/DC 转换器 IR公司的 IRS2573D 是全集成全保护的 600V HID控制器 IC, 可驱动任何类型的 HID灯. 器件内部电路提供了点火,预热, 600 V高边和低边全桥驱动器,内部的 V 齐纳二极管箝位 VCC, 微功耗 150u IRS2573D 主要特性,方框图, 典型应用框图以及采用 IRS2573D 的 70W HID 灯镇流器参考设计主要特性,框图,电路图,材料清单和 PCB 布局图. The IRS2573D isa fully-integrated, fully-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, programmable over and under-voltage protection and programmable over-current protection. Advanced protection features such as failure ofa 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 one IC Continuous/critical-conduction mode buck control 600V high and low-side full-bridge driver 600V high-side buck Driver Low-side ignition FET gate driver Integrated bootstrap FETs for full-bridge high-side drivers Constant lamp power control Programmable buck cycle-by-cycle over-current protection Programmable buck output voltage limitation Programmable lamp current limitation Programmable full-bridge frequency Fault latch reset input Programmable ignition counter (