【经验】2线式可编程霍尔锁存器开关MLX92242标定之硬件准备及连接

时间： 2020-12-11 来源：Melexis

技术问答

在笔者的前一篇文章《释疑：明明是3个引脚的MLX92242，为何被称为2线式可编程霍尔锁存器开关？》中介绍了MELEXIS的2线式可编程霍尔开关/锁存器MLX92242的特别之处。这里再为第一次接触这种2线可编程霍尔开关/锁存器的读者，讲一下标定需要的前期准备工作。

首先，需要准备的是标定需要的硬件工具。包括：通用的编程器PTC 04，对应的标定子板则是支持3线可编程霍尔开关锁存器MLX92232的PTC04-DB-922xx。就是说MLX92242和MLX92232的标定子板是相同的。这两个硬件工具，在MELEXIS的代理商，世强网站上是可以买到的。

有了这两个工具，接下来就是具体的连接问题了，PTC04-DB-922xx子板是插在PTC 04上面的(取掉上盖，插在其通用接口上)。

对于PTC04-DB-922xx子板和MLX92242的连接，这里需要注意的是，因为在实际应用中，只用了VDD和GND引脚。在编程标定时，也只需将这两个引脚和子板对应的引脚连接起来。如下表一所示。这点也是和MLX92232的不同之处(MLX92232是需要将VDD、VOUT、GND引脚3个引脚与子板对应引脚连接起来)

表一：PTC04-DB-922xx子板和MLX92242连接说明

以上既是标定MLX92242需要准备的硬件方面的工作。如有问题或疑问，欢迎探讨。下篇文章，笔者再为大家分享一下标定需要的相关软件工具，敬请期待。

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【经验】释疑：明明是3个引脚的MLX92242，为何被称为2线式可编程霍尔锁存器开关？

MELEXIS的2线式可编程霍尔开关/锁存器MLX92242，是比较特殊的一款可编程霍尔开关/锁存器，特殊在什么地方？本文解释该产品明明是3个引脚的MLX92242，为何被称为2线式可编程霍尔锁存器开关？

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【经验】2线式可编程霍尔锁存器开关MLX92242标定之软件及标定步骤

本文介绍了迈来芯的2线式可编程霍尔锁存器开关MLX92242标定之软件及标定步骤，供读者参考。

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