Topstek Current Transducer TQH5A .. TQH50A
TQH5A~50A
Features
Applications
ꢀHighly reliable Closed Loop Hall Effect device
ꢀUPS systems
ꢀCompact and light weight
ꢀIndustrial robots
ꢀFast response time
ꢀNC tooling machines
ꢀExcellent linearity of the output voltage over a wide input range
ꢀExcellent frequency response (> 100 kHz)
ꢀLow power consumption at quiescent state (10 mA nominal)
ꢀ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)
ꢀElevator controllers
ꢀProcess control devices
ꢀ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 eg. electric trains
ꢀOther automatic control systems
ꢀExtended operating temperature range
ꢀFlame-Retardant plastic case and silicone encapsulant, using UL
classified materials, ensures protection against environmental
contaminants and vibration over a wide temperature and
humidity range
Specifications
TQH5A
±5
TQH7.5A TQH10A
TQH15A
±15
TQH25A TQH37.5A TQH50A
Parameter
Symbol Unit
Nominal Input Current
Linear Range
Ifn
Ifs
A DC
A DC
-
±±.5
±22.5
ꢁ:1ꢀ00
ꢀ5
±10
±ꢀ0
ꢀ:1ꢀ00
ꢀ5
±25
±±5
1:1ꢀ00
ꢀ1
±ꢀ±.5
±11ꢀ
1:1ꢀ00
ꢁ1
±50
±1ꢁ0
1:1600
ꢁꢀ
±15
6:1ꢀ00
ꢀ5
±ꢁ5
Conversion Ratio
KN
2:1ꢀ00
ꢀ5
Consumption Current@ If=Ifn
Sec. Resistance@25°C
Sec. Resistance@80°C
Maximum Load Resistance
Minimum Load Resistance
Nominal Output Current
Supply Voltage Range
Offset Current
ICC
mA
ꢂ
RCmax
RCmax
RMmax
RMmin
Vhn
5ꢀ
5ꢀ
5ꢀ
5ꢀ
5ꢀ
5ꢀ
80
ꢂ
55
55
55
55
55
55
8ꢀ
ꢂ
118
118
118
118
153
84
57
ꢂ
45
45
45
45
45
45
20
mA
V
±2ꢀ.08
±2ꢀ.08
±2ꢀ.08
±2ꢀ.08
±15V ±5%
±1ꢃ.2ꢀ
±28.85
±ꢀ1.25
VCC/VEE
Ios
mA
mA
%
Within ±0.2 mA @ Ip=0, Ta=25°C
Within ±0.2 mA @ If=Ifnꢄ0
Within ±0.5% of Ifn
Hysteresis Error
Ioh
Linearity
ꢅ
Response Time (ꢃ0%Vhn)
Frequency Bandwidth (-ꢀdB)
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Tr
ꢁsec
Hz
%/°C
ꢀ ꢁsec max.
@
d If /dt = Ipn / ꢁsec
fBW
DC to 100kHz
-
Within ±0.02 %/°C @ Ifn
Within ±0.ꢁmA 0°C~80°C
AC2.5KV X 60 sec
-
-
mA/°C
V
Dielectric Strength
Isolation Resistance
@ 1000 VDC
RIS
Mꢂ
>1000 Mꢂ
Operating Temperature
Storage Temperature
Mass
Ta
Ts
W
°C
°C
g
-ꢁ0°C to 80°C
-ꢁ0°C to 85°C
<1ꢁ g
- 106 -
www.topstek.com
TQH V080201 7/1/2008