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CQ-206B の電気的特性と機能

CQ-206BのメーカーはAsahi Kasei Microsystemsです、この部品の機能は「High-Speed Small-Sized Current Sensor」です。


製品の詳細 ( Datasheet PDF )

部品番号 CQ-206B
部品説明 High-Speed Small-Sized Current Sensor
メーカ Asahi Kasei Microsystems
ロゴ Asahi Kasei Microsystems ロゴ 




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CQ-206B Datasheet, CQ-206B PDF,ピン配置, 機能
[CQ-206B]
CQ-206B
High-Speed Small-Sized Current Sensor
Overview
CQ-206B is an open-type current sensor using a Hall sensor which outputs the analog voltage proportional
to the AC/DC current. Quantum well ultra-thin film InAs (Indium Arsenide) is used as the Hall sensor, which
enables the high-accuracy and high-speed current sensing. Simple AI-Shell package with the Hall sensor,
magnetic core, and primary conductor realizes the space-saving and high reliability.
Features
- Unidirectional type
- Electrical isolation between the primary conductor and the sensor signal
- 5V single supply operation
- Ratiometric output
- Low variation and low temperature drift of sensitivity and offset voltage
- Low noise output: 2.1mVrms (max.)
- Fast response time: 1μs (typ.)
- Small-sized package, halogen free
Functional Block Diagram
P
Magnetic
Core
Amplifier
Buffer
VOUT
Hall
Sensor
Compensation
VSS
Bias Unit
EEPROM Unit
VDD
DATA_IO SCLK
N
Figure 1. Functional block diagram of CQ-206B
MS1444-E-01
-1-
2013/06

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CQ-206B pdf, ピン配列
[CQ-206B]
Absolute Maximum Ratings
Table 3. Absolute maximum ratings
Parameter
Symbol
Min.
Max.
Units
Notes
Supply Voltage
Analog Output Current
Storage Temperature
VDD
IOUT
Tstg
0.3
1
40
6.5 V VDD
1 mA VOUT
125 C
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal
operation is not guaranteed at these extremes.
Primary Current Derating Curve
Conditions: Mounted on the test board complying with the EIA/JEDEC Standards (EIA/JESD51.)
60
50
40
30
20
10
0
-60 -40 -20 0 20 40 60
Ta []
NOTE) Cooling or thermal radiation will improve the derating curve above.
80
Figure 4. Primary current derating curve of CQ-206B
100
Recommended Operating Conditions
Table 4. Recommended operating conditions
Parameter
Symbol Min. Typ. Max. Units
Notes
Supply Voltage
Output Current
Output Load
Capacitance
VDD 4.5 5.0
IOUT 0.5
CL
5.5 V
0.5 mA VOUT
100 pF VOUT
Operating Ambient
Temperature
Ta
40
90 C
NOTE: Electrical characteristics are not guaranteed when operated at or beyond these conditions.
MS1444-E-01
-3-
2013/06


3Pages


CQ-206B 電子部品, 半導体
[CQ-206B]
Reference data of the temperature drift of sensitivity of CQ-206B is shown in Figure 6.
(5) Temperature drift of offset voltage Vof-d [mV]
Temperature drift of offset voltage is defined as the drift value between the offset voltage (Vof) at Ta=Ta1
(40C<Ta1<90C) and the Vof at Ta=35C, and calculated from the formula below:
Vof-d = Vof(Ta = Ta1) Vof(Ta = 35C)
Maximum temperature drift of offset voltage (Vof-dmax) is defined as the maximum value of |Vh-d| through
40C<Ta1<90C.
Reference data of the temperature drift of offset voltage of CQ-206B is shown in Figure 7.
5
4
VDD=5.0V
IIN=0~45A
3
2
1
0
-1
-2
-3
-4
-5
-60 -40 -20 0 20 40 60 80 100 120
Ta [°C]
Figure 6. Temperature drift of sensitivity
of CQ-206B
(for reference, n=1)
40
30
VDD=5.0V
IIN=0A
20
10
0
-10
-20
-30
-40
-60 -40 -20 0 20 40 60 80 100 120
Ta [°C]
Figure 7. Temperature drift of offset voltage
of CQ-206B
(for reference, n=3)
(6) Rise response time tr [μs] and fall response time tf [μs]
Rise response time (or fall response time) is defined as the time delay from the 90% (or 10%) of input
primary current (IIN) to the 90% (or 10%) of the VOUT voltage (VOUT) under the pulse input of primary
current (see Figure 8.)
IIN IIN
VOUT
90% IIN
Time
VOUT
10% IIN
Time
90% Vout
10% Vout
tr
Time
tf
Time
Rise response time (tr)
Fall response time (tf)
Figure 8. Definition of response time
MS1444-E-01
-6-
2013/06

6 Page



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共有リンク

Link :


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