ROHM新品开发板-AC零交叉检测

Release time：2020-07-10
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source：AMEYA360
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  ROHM本次的开发板输出一个从90伏交流电到264伏交流电输入的过零信号。发开板采用BM1Z002FJ，输出目标交流电压的高精度零交叉定时。BM1Z002FJ将提供低至传统零交叉信号发生器电路消耗功率的1/10。开发板上还安装了IC的电源。


操作程序


1.必要设备


（1） 交流电源（90伏交流电至264伏交流电，10瓦或以上）


（2） 示波器


2.连接设备


（1） 将交流电源设置为90伏交流电压至264伏交流电源关闭。


（2） 将输出引脚（输出引脚，公共引脚）连接到示波器（保持隔离）。


（3） 用一对导线将电源（CN1）的引脚连接到交流电源输出。


（4） 交流电源接通。


（5） 确认输出波形与交流电压同步。


注意：为了避免电击，请保持示波器探头隔离。


应用电路

这个开发板输出一个过零信号。


通过监测VH帴AC1引脚和VH帴AC2之间的电压，从ACOUT引脚输出交流电压的零交叉点IC1引脚。


VH_AC1引脚和VH_AC2引脚集成了600V耐压监测电路，实现了高可靠性和低功耗。


A输出引脚5V为高电平，0V为低电平。


ROHM新品开发板-AC零交叉检测

Figure . BM1Z002FJ-EVK-001

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ROHM新品开发板-AC零交叉检测

Figure . BM1Z002FJ-EVK-002

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ROHM新品开发板-AC零交叉检测


Figure . BM1Z102FJ-EVK-001

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