【产品】3线制可编程微功耗霍尔开关MLX92291,MLX92292,功耗仅7µA
MLX92291,MLX92292是MELEXIS公司推出的两款3线制可编程微功耗霍尔开关。它们具有3.3V~18V的宽工作电压范围。其功耗也极低,通常仅有7µA,适合于电池供电的应用。
MLX92291,MLX92292支持ASILB安全完整性等级,其符合ISO26262标准,可用于关键的安全系统。其内部集成了自诊断功能,并具有灵活的技术安全要求。对于MLX92291来说,其提供出厂可编程参数,参数包括电源、磁特性和诊断,客户可根据要求进行编程。而对于MLX92292来说,客户可以选择直接的预编程单元,也可以采用行尾(EOL)编程功能,其主要包括:可编程永磁温度系数,可编程开关或锁存器传感器功能,可编程输出功能-直接或反向,可编程运行周期等。
MLX92291,MLX92292采用了一种全新的感应方式,其采用IMC-Hall® 技术,不仅能够检测是否存在垂直磁场,还可以检测是否存在侧向磁场。当进行侧向磁场测量时,可大幅提升磁场测量中的信噪比。其检测示意图如下图所示:
MLX92291,MLX92292具有的宽工作电压范围,可应对40V负载突降。另外,它们还具备欠压锁定保护、反向电源电压保护、热保护等一系列保护功能,可全面保证器件的安全运行。
3线制可编程微功耗霍尔开关MLX92291,MLX92292采用3线TSOT或TO92封装,其引脚及实物如图1、图2所示。其温度范围均为-40℃~150℃,较宽的温度范围使其能够适用于汽车行业,它们常用于汽车行业的车身、空调系统、舒适和照明,动力系统,底盘与安全,变速器,混合动力和电动动力系统,以及工业和机器人行业,建筑,安全,家庭和办公自动化行业,消费行业解决方案,家电和家用电器等众多领域。
3线制可编程微功耗霍尔开关MLX92291,MLX92292其订购信息如下图所示:
3线制可编程微功耗霍尔开关MLX92291,MLX92292订购说明:
Temperature Code为温度码,L为-40℃~150℃。
Package Code为封装码,SE为TSOT-23L封装,UA为TO92-3L封装。
Option Code为选择码,000为3线霍尔效应开关/锁存器,200为IMC版本。
Packing Form为封装形式,BU为散装,RE为卷轴。
订购示例:MLX92292LSE-AAA-001-RE
图1 MLX92291,MLX92292 TSOT封装引脚说明及实物图
图2 MLX92291,MLX92292 TO92封装引脚说明及实物图
MLX92291,MLX92292 微功耗霍尔开关产品特性:
•宽工作电压范围:3.3V~18V
•功耗极低,通常仅为7µA
•集成了自诊断功能
•灵活的技术安全要求
•具备欠压锁定保护、反向电源电压保护、热保护等功能
•具有侧向感应功能
•宽工作电压范围,可应对40V负载突降
MLX92291,MLX92292 微功耗霍尔开关应用领域:
•车身,空调系统,舒适和照明
•动力系统
•底盘与安全
•变速器
•混合动力和电动动力系统
•工业和机器人行业
•建筑,安全,家庭和办公自动化行业
•消费行业解决方案
•家电和家用电器
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产品型号
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品类
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Typical Bop / Brp(mT)
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TC(ppm / °C)
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Supply Voltage(V)
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Output Type
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Ioff(mA)
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Package&pole active(UA)
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Magnetic Polarity
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ICAP
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ISO26262
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MLX92241LUA-AAA-003
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2-wire Switch
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7.9 / 5.3
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-1100
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2.7 - 24
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Current source
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3.3
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S
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Direct
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-
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-
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