TW75A [TOPSTEK]
Topstek Current Transducers; Topstek电流传感器
| 型号： | TW75A |
| 厂家： | 
TOPSTEK INC. |
| 描述： | Topstek Current Transducers |
| 文件： | 总2页 (文件大小：122K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Topstek Current Transducers TW25A .. TW300A
TW 25A~300A
Features
Applications
ꢀUPS systems
ꢀHighly reliable Hall Effect device
ꢀCompact and light weight. Two sensors in one package
ꢀFast response time
ꢀIndustrial robots
ꢀExcellent linearity of the output voltage over a wide input range
ꢀExcellent frequency response (> 50 kHz)
ꢀNC tooling machines
ꢀElevator controllers
ꢀLow power consumption (22 mA nominal)
ꢀProcess control devices
ꢀCapable of measuring both DC and AC, both pulsed and mixed
ꢀHigh isolation voltage between the measuring circuit and the
current-carrying conductor (AC2.5KV)
ꢀAC and DC servo systems
ꢀMotor speed controller
ꢀElectrical vehicle controllers
ꢀInverter-controlled welding machines
ꢀGeneral and special purpose inverters
ꢀPower supply for laser processing machines
ꢀController for traction equipment e.g. electric trains
ꢀOther automatic control systems
ꢀExtended operating temperature range
ꢀFlame-Retardant plastic case and silicone encapsulate, using
UL classified materials, ensures protection against
environmental contaminants and vibration over a wide
temperature and humidity range
Specifications
Parameter
TW
TW
TW
TW
TW
TW
TW
TW
TW
TW
TW
Symbol Unit
25A 37.5A 50A 75A 100A 125A 150A 175A 200A 250A 300A
Nominal Input Current
Linear Range
Ifn
Ifs
A DC
25
37.5
50
75
100 125 150 175 200 250 300
A DC ±75 ±112.5 ±150 ±225 ±300 ±375 ±±50 ±525 ±ꢀ00 ±750 ±750
Nominal Output Voltage
Offset Voltage
Vhn
Vos
ROUT
Voh
VCC/VEE
ꢃ
V
± V±1% @ If=Ifn ( RL=10kꢁ)
Within ±35 mV @ If=0, Ta=25°C
<100ꢁ(50ꢁnominal)
mV
Output Resistance
Hysteresis Error
ꢁ
mV
Within ±30 mV @ If=Ifnꢂ0
±15V ±5%
Supply Voltage
V
Linearity
%
Within ±1% of Ifn
Consumption Current
Response Time (90%Vhn)
Frequency bandwidth (-3dB)
Thermal Drift of Output
ICC
Tr
mA
±22 mA nominal, ±30 mA max
ꢁsec
5 ꢁsec max.
DC to 50kHz
Within ±0.1 %/°C @ Ifn
< ±1 mV/°C
@
d If /dt = Ifn / ꢁsec
fBW
-
Hz
%/°C
Thermal Drift of
Zero Current Offset
-
mV/°C < ±3 mV/°C < ±1.5 mV/°C
Dielectric Strength
-
V
Mꢁ
°C
°C
g
AC2.5KV X ꢀ0 sec
>1000 Mꢁ
Isolation Resistance
@ 1000 VDC
RIS
Ta
Operating Temperature
Storage Temperature
Mass
-15°C to 80°C
-20°C to 85°C
150 g
Ts
W
- 98 -
www.topstek.com
TW V080201 7/1/2008
Topstek Current Transducers TW25A .. TW300A
Appearance, dimensions and pin identification
All dimensions in mm ±0.1, holes ꢄ0, ꢅ0.2 except otherwise noted.
Positive current flow direction
ꢄꢅ
ꢁ
ꢆꢀ
ꢁ
Pin Assignment
ꢇ
0V
ꢀ
B output
A output
-15V
ꢉ
ꢁ
ꢃ
ꢇ
ꢀ
ꢉ
ꢁ
ꢃ
+15V
ꢁꢈ3ꢀꢂꢃꢁ
ꢁꢃ
ꢁꢃ
ꢊꢀ
ꢉꢋ
5ꢇꢊꢂꢃ
ꢇꢃ
ꢉꢊ
ꢇꢀ
ꢇꢀ
ꢇꢀꢂꢃ
ꢇꢀꢂꢃ
Offset A Gain A
Gain B Offset B
ꢇꢃ
ꢇꢃ
ꢀꢅ
ꢄꢅ
- 99 -
www.topstek.com
TW V080201 7/1/2008
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