參數(shù)資料
型號(hào)： HMC1053
廠商： Honeywell Microelectronics & Precision Sensors
文件頁數(shù)： 9/11頁
文件大?。?/td> 656K
描述： SENSOR MAGNETIC 3-AXIS 16-PLCC
產(chǎn)品培訓(xùn)模塊： Magnetic Sensors
標(biāo)準(zhǔn)包裝： 1
傳感范圍： ±6g
類型： 線性
電源電壓： 1.8 V ~ 20 V
輸出類型： 差分電壓
特點(diǎn)： 羅盤 - 三軸
工作溫度： -40°C ~ 125°C
封裝/外殼： 16-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-LCC
包裝： 管件
產(chǎn)品目錄頁面： 2814 (CN2011-ZH PDF)
其它名稱： 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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