CXHA3144系列是一个集成霍尔效应位置传感器,设计用于无刷直流电动机的电子换流应用。该装置包括用于磁感应的片内霍尔电压发生器、放大霍尔电压的比较器和用于为噪声抑制提供开关磁滞的Sch mitt以及开路集电极输出。内部带隙稳压器用于为内部电路提供温度补偿电源电压,并允许宽的工作电源范围。在没有磁场的情况下,输出引脚为“关”(高)。一个足够强大的北极将使输出“开”(低)。当磁通密度(B)大于阈值Bop时,输出为“开”。如果B移向Brp,输出引脚在B
开路集电极预驱动器
最大输出汇电流:50mA
工作温度:-40℃~+125℃
封装:SOT33-3L
•N极感应
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[ CXHA3144 ]"
目录
7.相关产品
产品概述 返回TOP
The CXHA3144 series is an integrated Hall Effect position sensor designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifiers the Hall voltage, and a Sch-mitt to provide switching hysteresis for noise rejection, and open-collector output. An internal band gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.In the absence of a magnetic field, the output pin is “OFF” (High). A north pole of sufficient strength will turn the output “ON”(Low). While the magnetic flux density (B) is larger than threshold Bop, the output is “ON”. If B removed toward Brp,the output pin is latched “ON”state prior to B<Brp.When B<Brp, the output pin goes into “OFF”state
产品特点 返回TOP
Hall effect Switch Sensor
Wide operating voltage range :3.5V~35V
Open Collector Pre-Driver
Maximum output sink current: 50mA
Operating Temperature:-40℃~+125℃
Package:SOT23-3L
N-pole induction
应用范围 返回TOP
Rotor Position Sensing
Current Switch
Brush-less DC Motor
Revolution counting
Encoder
RPM Detection
Brush-less DC Fan
Speed measurement
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产品封装图 返回TOP
电路原理图 返回TOP
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开关型霍尔 |
|||||||
产品系列名 |
工作点 Bop(GS) |
释放点 Brp(GS) |
迟滞窗 口GS |
输出电 压范围(V) |
输出电 流mA |
工作温度 |
封装形式 |
-110 |
-75 |
35 |
3.8~30 |
50 |
-40~85 |
SOT23-3 |
|
110 |
75 |
35 |
3.8~30 |
50 |
-40~85 |
TO92S |
|
105 |
60 |
45 |
3.8~30 |
20 |
-40~85 |
TO92S/弯角编带 |
|
双极型霍尔 |
|||||||
产品系列名 |
工作点 Bop(GS) |
释放点 Brp(GS) |
迟滞窗 口 GS |
输出电 压范围(V) |
输出电 流 mA |
工作温度 |
封装形式 |
50 |
-50 |
100 |
3.8~35 |
50 |
-40~125 |
TO92S |
|
45 |
-45 |
90 |
3.8~35 |
40 |
-40~125 |
TO92S |
|
线性霍尔 |
|||||||
产品系列名 |
输入电 压范围(V) |
输出电压 (V) |
灵敏度 mv/GS |
输出电压(V) |
工作温度 |
特征 |
封装形式 |
4.5~5.5 |
1/2VCC |
5~30 |
0.5~4.5 |
-40~85 |
高精度高速可编程霍尔 |
TO92S |
|
2.3~6.5 |
2.5 |
1.8 |
0.9~4.2 |
-40~85 |
低成本 |
TO92S |
|
全极型霍尔 |
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产品系列名 |
工作点 Bop(GS) |
释放点Brp (GS) |
输入电 压范围V |
静态电 流( uA) |
工作频率 (Hz) |
特征 |
封装 |
±30 |
±20 |
1.8~5.5 |
2.5@Vcc=2.7V |
5 |
MicroPower/Opendrain output |
3Pin-SIP/SOT23-3-3 |
|
±30 |
±20 |
1.8~5.5 |
2.5@Vcc=2.7V |
5 |
MicroPower/Opendrain output |
3Pin-SIP |
|
±35 |
±25 |
1.8~5.5 |
5.0@Vcc=2.7V |
16 |
Fast Response |
3Pin-SIP/SOT23-3-3 |