參數(shù)資料
型號: HAL509K
廠商: Electronic Theatre Controls, Inc.
英文描述: Hall Effect Sensor Family
中文描述: 霍爾效應(yīng)傳感器系列
文件頁數(shù): 18/44頁
文件大小: 315K
代理商: HAL509K
HAL503
18
Micronas
4.3. HAL503
The HAL503 is a latching sensor (see Fig. 4
9).
The output turns low with the magnetic south pole on the
branded side of the package and turns high with the
magnetic north pole on the branded side. The output
does not change if the magnetic field is removed. For
changing the output state, the opposite magnetic field
polarity must be applied.
For correct functioning in the application, the sensor re-
quires both magnetic polarities (north and south) on the
branded side of the package.
Magnetic Features:
switching type: latching
medium sensitivity
typical B
ON
: 7.6 mT at room temperature
typical B
OFF
:
7.6 mT at room temperature
operates with static magnetic fields and dynamic mag-
netic fields up to 10 kHz
typical temperature coefficient of magnetic switching
points is
1000 ppm/K
Applications
The HAL503 is the optimal sensor for applications with
alternating magnetic signals such as:
multipole magnet applications,
rotating speed measurement,
commutation of brushless DC motors, and
window lifter.
Fig. 4
9:
Definition of magnetic switching points for
the HAL503
B
HYS
Output Voltage
0
B
OFF
B
ON
V
OL
V
O
B
Magnetic Characteristics
at T
J
=
40
°
C to +170
°
C, V
DD
= 3.8 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
6.4
8.4
10.8
10.8
8.6
6.4
14.6
17
20.6
0.1
mT
25
°
C
6
7.6
10
10
7.6
6
13.6
15.2
18
1.5
0
1.5
mT
100
°
C
4.8
7.1
9.5
9.5
6.9
4.8
12.3
14
17
0.1
mT
140
°
C
4.4
6.7
9.2
9.2
6.4
4.4
11.5
13.1
16.5
0.1
mT
170
°
C
4
6.4
8.9
8.9
6
4
11
12.4
16
0.2
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
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