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AH477Z4-BE1 PDF预览

AH477Z4-BE1

更新时间： 2024-09-15 03:08:03
品牌 Logo 应用领域
BCDSEMI /
页数 文件大小 规格书
2页 50K
描述
SINGLE PHASE HALL EFFECT LATCH

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中文翻译

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AH477Z4-BE1 技术参数

生命周期：ObsoleteReach Compliance Code：compliant
风险等级：5.72Is Samacsys：N
主体宽度：3.6 mm主体长度或直径：5.13 mm
滞后：7 mT最大磁场范围：10 mT
最小磁场范围：-10 mT安装特点：THROUGH HOLE MOUNT
最大工作电流：25 mA最高工作温度：85 °C
最低工作温度：-20 °C输出类型：DIGITAL CURRENT
封装形状/形式：RECTANGULAR传感器/换能器类型：MAGNETIC FIELD SENSOR,HALL EFFECT
最大供电电压：18 V最小供电电压：3.5 V
表面贴装：NO端接类型：SOLDER
Base Number Matches：1

AH477Z4-BE1 数据手册

 浏览型号AH477Z4-BE1的Datasheet PDF文件第2页 
Product Brief  
SINGLE PHASE HALL EFFECT LATCH  
AH477  
Description  
Parametric Table  
The AH477 is an integrated Hall sensor with output driver  
designed for electronic commutation of brushless DC  
motor applications. The device includes an on-chip Hall  
sensor for magnetic sensing, an amplifier that amplifies  
the Hall voltage, a comparator to provide switching hys-  
teresis for noise rejection, a bi-directional drivers for sink-  
ing and driving large current load. It also includes an  
internal bandgap regulator to provide temperature com-  
pensated bias for internal circuits and allows a wide oper-  
ating supply voltage range.  
Supply Voltage (V)  
4 to 20  
0.25  
1.0  
Output Down Saturation Voltage (V)  
Output Up Saturation Voltage (V)  
Supply Current (mA)  
Hysteresis (Gauss)  
14  
70  
Package  
TO-94  
Placing the device in a variable magnetic field, if the mag-  
netic flux density is larger than threshold B , the DO is  
OP  
turned to sink and DOB is turned to drive. This output  
state is held until the magnetic flux density reverses and  
falls below B then causes DO to be turned to driveand  
RP,  
DOB turned to sink.  
Features  
Benefits  
·
·
·
·
On-Chip Hall Sensor  
·
·
·
·
Minimum External Components  
Good High Temperature Performance  
High Efficiency  
Operating Voltage: 4V to 20V  
H-Bridge Output Drivers for Single Coil  
Internal Bandgap Regulator for Temperature Com-  
pensation  
Rotate Reposefully  
·
·
·
·
Low Output Switching Current Noise  
o
o
-20 C to 85 C Operating Temperature  
Low Profile TO-94 (SIP-4L) Package  
ESD Rating: 3000V (Human Body Model)  
Applications  
Additional Available Materials  
·
·
Single-Coil Brushless DC Motor  
Single-Coil Brushless DC Fan  
·
·
·
·
Samples  
Preliminary Datasheet  
Reliability Report  
ESD Report  
Nov. 2007  
BCD Semiconductor Manufacturing Limited  
12

中文翻译

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