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IR IRS2573D 全集成全保护600V 70W HID灯控制方案

IR公司的IRS2573D 是全集成全保护600V HID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70W HID镇流器主要特性,方框图,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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