产品介绍应用.ppt

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1、AllegroMicrosystems,Inc.产品介绍/May62004产品型号完整定义A1321EUAF-1AllegroMicrosystemsInc.标示ATS=Allegro齿轮传感器模组ACS=Allegro电流传感器型号（4位数字）温度范围：C=Commercial(0°Cto+70°C)S=Standard(-20°Cto+85°C)E=Extendedautomotive/industrial(-40°Cto+85°C)F=Extendedautomotive/industrial(-40°Cto+95°C)G=Extende

2、dindustrial(-40°Cto+105°C)K=Extendedindustrial/military(-40°Cto+125°Cor+135°C)L=Automotive/military(-40°Cto+150°C)封装信息各种订货类型选择T=leadfreeMay62004Allegro产品分类HallEffectSensor霍尔效应传感器Currentsensor电流传感器MotorDriverIC马达驱动ICPowermanagementIC电源管理ICMay62004概念：(Unipolar)单极性霍尔：S极有效。当霍尔单元

3、所处地的磁场强度>规定的动作点磁场强度(Bop)，输出三极管打开；当磁场强度<规定的释放点磁场强度(Brp)，输出三极管关闭。(Bipolar)双极性霍尔：一般在足够的S极磁场下打开，在N极磁场下关闭。但当磁场移开后输出未定义，因此为了保证器件开关正常，必须保证有对应的足够的磁场强度。(Latch)锁存型霍尔：一般在足够的S极磁场下打开，在N极磁场下关闭。当磁场移开后输出保持原来的状态。(Micro-powerOmnipolar)微功耗极性无关型霍尔：这类的霍尔器件在足够的S极或N极的磁场强度下均能打开，当磁场移走后，输出关闭。(Linear)

4、线性：输出的电压值根据周围的磁通量的变化线性地变化。Hallsensor概念定义May62004产品:开关型1.微功耗极性无关型（A3212/13/14）区别：3线单极性（A314x;A312x;A324x;A110x)区别：霍尔开关型/锁存型/线性P/NSupplyVoltagePower(@2.75V)PeriodA32122.5V~3.5V15uW45(typ)~90msA32132.4V~5.5V825uW240(typ)~360usA32142.4V~5.5V14uW60(typ)~90msP/NOperatePointRelease

5、PointP/NOperatePointReleasePointA314130G~175G10G~145GA3121220G~500G80G~410GA3142115G~245G60G~190GA3122260G~430G120G~360GA3143205G~355G150G~300GA3123230G~470G160G~330GA314435G~450G25G~430GA3240<50G(Typ35G)>5G(Typ25G）A3241<120G>40GA3242<205G>105GMay62004霍尔开关型/锁存型/线性3.3线双极性（UGx

6、3132/33;A3134)锁存型A3185/87/88/89;A3280/81/83区别：线性UGN3503;A3515/16;A1301/02/05;A1321/22/23P/NOperatePointReleasePointP/NOperatePointReleasePointA3185140G~300G-300G~-140GA32805G~40G-40G~-5GA318750G~175G-175G~-50GA328115G~90G-90G~-15GA318880G~200G-200G~-80GA328270G~150G-150G~-70

7、GA318950G~250G-250G~-50GA3283100G~180G-180G~-100GP/NSupplyVoltageSensitivityQuiescentOutputUGN35034.5V~6.0V1.3mV/GTyp50%VccA35154.5V~5.5V5mV/GTyp50%VccA35164.5V~5.5V2.5mV/GTyp50%VccMay62004霍尔开关型/锁存型/线性齿轮传感器A1421替代A3064A1422替代A3060A1423替代A3059A1425(新)InfineonTLE4921/5Replacem

8、entP/NSupplyVoltageSensitivityQuiescentOutputA13214.5V~5.5V5mV/GTyp50%VccA1