IR IRS2573D 70W HID灯镇流器解决方案

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,运行和故障操作模式.具有600V高边和低边全桥驱动器,内部的15.6V齐纳二极管箝位VCC,微功耗150uA起动.本文介绍了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 is a 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 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 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
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