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参数资料
| 型号： | HMC1053 |
| 厂商： | Honeywell Microelectronics & Precision Sensors |
| 文件页数： | 9/11页 |
| 文件大小： | 656K |
| 描述： | SENSOR MAGNETIC 3-AXIS 16-PLCC |
| 产品培训模块： | Magnetic Sensors |
| 标准包装： | 1 |
| 传感范围： | ±6g |
| 类型： | 线性 |
| 电源电压： | 1.8 V ~ 20 V |
| 输出类型： | 差分电压 |
| 特点： | 罗盘 - 三轴 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-VFQFN 裸露焊盘 |
| 供应商设备封装： | 16-LCC |
| 包装： | 管件 |
| 产品目录页面： | 2814 (CN2011-ZH PDF) |
| 其它名称： | 342-1035 342-1035-5 342-1035-ND |
HMC1051/HMC1052/HMC1053
www.honeywell.com 9
Alternating or Direct Current Sensing
The HMC105X family sensors can be utilized in a novel way for moderate to high current sensing applications using a
nearby external conductor providing the sensed magnetic field to the bridge. Figure 6 shows a HMC1051Z used as a
current sensor with thermistor element performing a temperature compensation function for greater accuracy over a wide
range of operational temperatures. Selection of the temperature compensation (tempco) resistors used depends on the
thermistor chosen and is dependant on the thermistors %/癈 shift of resistance. For best op-amp compatibility, the
thermistor resistance should be above about 1000 ohms. The use of a 9-volt alkaline battery supply is not critical to this
application, but permits fairly common operational amplifiers such as the 4558 types to be used. Note that the circuit
must be calibrated based on the final displacement of the sensed conductor to the measuring bridge. Typically, an
optimally oriented measurement conductor can be placed about one centimeter away from the bridge and have
reasonable capability of measuring from tens of milliamperes to beyond 20 amperes of alternating or direct currents. See
application note AN-209 for the basic principles of current sensing using AMR bridges.
H M C 1 0 5 1
U 1
V c c
o ffs e t
s e t/ r e s e t
.1 u f
s e t/ r e s e t
V c c / 2
5 .0 0 k
5 .0 0 k
5 0 0 k
5 0 0 k
T L C 0 7 2
T L C 0 7 2
. 1 f
U 2
5 .0 v
+
-
+
-
V c c
1 0 k
1 0 k p o t
T h r e s h o ld S e t
R LE D
L E D
o u tp u t
+
-
1 f*
* L o w E S R T a n ta lu m
F M M T 7 1 7
F M M T 6 1 7
1 0 k
1 0 k
V c c
2 0 0
0 .1 f
0 .1 f
R
S
H M C 1 0 5 1
U 1
V c c
o ffs e t
s e t/ r e s e t
.1 u f
s e t/ r e s e t
V c c / 2
5 .0 0 k
5 .0 0 k
5 0 0 k
5 0 0 k
T L C 0 7 2
T L C 0 7 2
. 1 f
U 2
5 .0 v
+
-
+
-
V c c
1 0 k
1 0 k p o t
T h r e s h o ld S e t
R L E D
L E D
o u tp u t
+
-
1 f*
* L o w E S R T a n ta lu m
F M M T 7 1 7
F M M T 6 1 7
1 0 k
1 0 k
V c c
2 0 0
0 .1 f
0 .1 f
R
S
Figure 5
Magnetic Field Detector
H M C 1 0 5 1
U 1
V c c= 9 V d c
o ffs e t
s e t/ r e s e t
.1 u f
s e t/ r e s e t
V c c /2 ~ + 4 .5 V d c
5 .0 0 k
5 .0 0 k
5 0 0 k
5 0 0 k
R C 4 5 5 8
R C 4 4 5 8
. 1 f
U 2
+
-
+
-
+
-
1 f*
* L o w E S R T a n ta lu m
V c c = 9 V d c
2 0 0
C o n d u c to r to b e
C u rre n t M e a s u re d
I
dc
I
a c
R
b
R
a
R
th
te m p c o
n e tw o r k
s ta n d o ff d is ta n c e
o u tp u t
S i1 5 5 3 D L
U 3
H M C 1 0 5 1
U 1
V c c= 9 V d c
o ffs e t
s e t/ r e s e t
.1 u f
s e t/ r e s e t
V c c /2 ~ + 4 .5 V d c
5 .0 0 k
5 .0 0 k
5 0 0 k
5 0 0 k
R C 4 5 5 8
R C 4 4 5 8
. 1 f
U 2
+
-
+
-
+
-
1 f*
* L o w E S R T a n ta lu m
V c c = 9 V d c
2 0 0
C o n d u c to r to b e
C u rre n t M e a s u re d
I
d c
I
a c
R
b
R
a
R
th
te m p c o
n e tw o r k
s ta n d o ff d is ta n c e
o u tp u t
S i1 5 5 3 D L
U 3
Figure 6
Current Sensor
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PDF描述 |
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| HOA1874-011 | SNSR OPTO TRANS 3.05MM TRANSM |
| HOA1877-002 | SENSOR PHOTOTRANS NPN SLOTTED |
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