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简单的电路免受过电压的汽车视频驱动程序

资料介绍
摘要:该电路保护汽车意外地接触到汽车的电池电压( 16V最大)视频放大器,电压检测故障,并迅速打开功放和电池之间的连接。

Maxim > App Notes > Circuit Protection Video Circuits
Keywords: automotive circuit protection, video DACs, digital inverters, MOSFETs Nov 16, 2010

APPLICATION NOTE 4516
Simple Circuit Protects Automotive Video Drivers from Overvoltage


Abstract:This circuit protects automotive video amplifiers from accidental exposure to the car's battery voltage (16V maximum),
by sensing voltage faults and quickly opening the connection between amplifier and battery.

A similar version of this article appeared in the May 20, 2008 issue of Electronic Design magazine.

In a typical automotive video application, the video DAC (from a rear camera or DVD player, for example) is followed by a lowpass
reconstruction filter and an amplifier th……
简单的电路免受过电压的汽车视频驱动程序
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