Topstek Current Transducer TQH10A .. TQH50A-SP1
TQH10A~50A-SP1
Features
iHighly
reliable Closed Loop Hall Effect device
iCompact
and light weight
iFast
response time
iExcellent
linearity of the output voltage over a wide input range
iExcellent
frequency response (> 100 kHz)
iLow
power consumption at quiescent state (10 mA nominal)
iCapable
of measuring both DC and AC, both pulsed and mixed
iHigh
isolation voltage between the measuring circuit and the
current-carrying conductor (AC2.5KV)
iExtended
operating temperature range
iFlame-Retardant
plastic case and silicone encapsulant, using UL
classified materials, ensures protection against environmental
contaminants and vibration over a wide temperature and
humidity range
Applications
iUPS
systems
iIndustrial
robots
iNC
tooling machines
iElevator
controllers
iProcess
control devices
iAC
and DC servo systems
iMotor
speed controller
iElectrical
vehicle controllers
iInverter-controlled
welding machines
iGeneral
and special purpose inverters
iPower
supply for laser processing machines
iController
for traction equipment eg. electric trains
iOther
automatic control systems
Specifications
Parameter
Nominal Input Current
Linear Range
Conversion Ratio
Consumption Current@ I
f
=I
pn
Symbol
I
pn
I
fs
K
N
I
CC
Unit
A DC
A DC
-
mA
TQH10A-SP1
TQH12A-SP1
TQH17A-SP1
TQH25A-SP1
TQH50A-SP1
±10
±15
5:1000
62
59
61
80
65
±12.5
±19
4:1000
62
59
61
80
65
±50
±16.667
±25
3:1000
62
59
61
80
65
±50
±12V … ±15V±5%
±25
±38
2:1000
62
59
61
80
65
±50
±50
±75
1:1000
62
59
61
80
65
±50
Max Sec. Resistance@25°C R
Cmax
Max Sec. Resistance@80°C R
Cmax
Maximum Load Resistance
Minimum Load Resistance
Nominal Output Current
Supply Voltage Range
Offset Current
Hysteresis Error
Linearity
Response Time (90%V
hn
)
Frequency Bandwidth (-3dB)
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Dielectric Strength
Isolation Resistance
@ 1000 VDC
Operating Temperature
Storage Temperature
Mass
T
r
f
BW
-
-
-
R
IS
T
a
T
s
W
R
Mmax
R
Mmin
I
on
V
CC
/V
EE
I
os
I
oh
mA
V
mA
mA
%
Psec
Hz
%/°C
mA/°C
V
M
°C
°C
g
±50
Within ±0.2 mA @ I
p
=0, T
a
=25°C
Within ±0.2 mA @ I
f
=I
fn
0
Within ±0.5% of I
fn
1.2
Psec
max.
@
d
I
f
/dt = I
pn
/
Psec
DC to 100kHz
Within ±0.02 %/°C @ I
fn
Within ±0.4mA 0°C~80°C
AC2.5KV X 60 sec
>1000 M
-40°C to 80°C
-40°C to 85°C
<14 g
-1-
www.topstek.com
TQH-SP1
V080707
7/7/2008
Topstek Current Transducer TQH10A .. TQH50A-SP1
Appearance, dimensions and pin identification
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted.
max
max
max
Secondary pins 4x(0.5x0.25)
Primary
Pin Assignment
-15V
NC
+15V
I
OUT
I+
I-
Bottom View
Nominal Primary Current
d (mm)
3--4A
0.6
5--7A
0.8
7.5--12A 12.5--25A 30--37.5A
1.0
1.3
1.4
40--50A
1.6
-2-
www.topstek.com
TQH-SP1
V080707
7/7/2008
Download Centre
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