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| 型号： | HAL566SF-K |
| 厂商： | MICRONAS SEMICONDUCTOR HOLDING AG |
| 元件分类： | 磁阻传感器 |
| 英文描述： | Two-Wire Hall Effect Sensor Family |
| 中文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 2-7.4mT, RECTANGULAR, SURFACE MOUNT |
| 封装： | PLASTIC, SOT-89B, 4 PIN |
| 文件页数： | 12/21页 |
| 文件大小： | 231K |
| 代理商： | HAL566SF-K |
HAL556
12
Micronas
4. Type Description
4.1. HAL556
The HAL556 is a very sensitive unipolar switching sen-
sor (see Fig. 4–1).
The sensor turns to high current consumption with the
magnetic south pole on the branded side of the package
and turns to low current consumption if the magnetic
field is removed. It does not respond to the magnetic
north pole on the branded side.
For correct functioning in the application, the sensor re-
quires only the magnetic south pole on the branded side
of the package.
In the HAL55x, HAL56x two-wire sensor family, the
HAL566 is a sensor with the same magnetic character-
istics but with an inverted output characteristic.
Magnetic Features:
– switching type: unipolar
– very high sensitivity
– typical B
ON
: 6 mT at room temperature
– typical B
OFF
: 4 mT at room temperature
– operates with static magnetic fields and dynamic mag-
netic fields up to 10 kHz
Applications
The HAL556 is designed for applications with one mag-
netic polarity and weak magnetic amplitudes at the sen-
sor position such as:
– applications with large airgap or weak magnets,
– solid state switches,
– contactless solutions to replace micro switches,
– position and end point detection, and
– rotating speed measurement.
B
HYS
Current consumption
0
B
ON
B
OFF
I
DDlow
B
Fig. 4–1:
Definition of magnetic switching points for
the HAL556
I
DDhigh
Magnetic Characteristics
at T
J
= –40
°
C to +170
°
C, V
DD
= 4 V to 24 V,
Typical Characteristics for V
DD
= 12 V
Magnetic flux density values of switching points.
Positive flux density values refer to the magnetic south pole at the branded side of the package.
Parameter
T
J
On point B
ON
Typ.
Off point B
OFF
Min.
Typ.
Hysteresis B
HYS
Min.
Typ.
Magnetic Offset
Min.
Typ.
Unit
Min.
Max.
Max.
Max.
Max.
–40
°
C
3.4
6.3
7.7
2.1
4.2
5.9
0.8
2.1
3
5.2
mT
25
°
C
3.4
6
7.4
2
3.8
5.7
0.5
1.8
2.8
2.7
4.9
6.5
mT
100
°
C
3.2
5.5
7.2
1.9
3.7
5.7
0.3
1.8
2.8
4.6
mT
140
°
C
3
5.2
7.4
1.2
3.6
6
0.2
1.6
3
4.4
mT
170
°
C
2.8
5
7.6
1
3.5
6.2
0.2
1.5
3.2
4.2
mT
The hysteresis is the difference between the switching points B
HYS
= B
ON
– B
OFF
The magnetic offset is the mean value of the switching points B
OFFSET
= (B
ON
+ B
OFF
) / 2
Changes to the previous edition:
– upper limit for B
HYS
at –40
°
C, 25
°
C, and 100
°
C; limits for B
Offset
at 25
°
C changed
– specification for 140
°
C and 170
°
C added
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相关代理商/技术参数 |
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|---|---|
| HAL566SO-C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| HAL566SO-E | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| HAL566UA-A | 制造商:MICRONAS 制造商全称:MICRONAS 功能描述:Two-Wire Hall Effect Sensor Family |
| HAL566UA-C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Hall-Effect Switch |
| HAL566UA-E | 制造商:MICRONAS 制造商全称:MICRONAS 功能描述:Two-Wire Hall Effect Sensor Family |
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