Topstek Current Transducer TQDV25A .. TQDV200A
Closed Loop Current Transducers
TQDV25A ~150A
Features
iHighly
reliable Closed Loop Hall Effect device
iOpen
Loop CT voltage output format: 4V out at nominal input
iCompact
and light weight
iFast
response time
iExcellent
linearity of the output voltage over a wide input range
iExcellent
frequency response (> 150 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
Secondary Coil Current
Consumption Current@ I
f
=I
fn
Nominal Output Voltage
Supply Voltage Range
Offset Voltage
Output Resistance
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
Symbol
I
fn
I
fs
I
S
I
CC
V
hn
V
CC
/V
EE
V
os
R
OUT
V
oh
mV
%
Psec
Hz
%/°C
mV/°C
V
M
°C
°C
g
Unit
A DC
A DC
A
mA
V
V
mV
35
TQDV
25A
±25
±63
TQDV
37.5A
±37.5
±94
I
f
/1000
50
60
48
TQDV
50A
±50
±125
TQDV
75A
±75
±188
TQDV
100A
±100
±250
I
f
/2000
60
72
TQDV
125A
±125
±313
±4 V±1% at If=I
fn
( R
L
=10k ) , T
a
=25°C
±15V ±5%
Within ±40 mV @ I
f
=0, T
a
=25°C
<100 (50 nominal)
Within ±35 mV @ I
f
=I
fn
0
Within ±0.2% of I
fn
3
Psec
max.
@
d
I
f
/dt = I
pn
/
Psec
DC to 150kHz
Within ±0.02 %/°C @ I
fn
Within
±1.5 mV/°C @ I
fn
AC2.5KV X 60 sec
>1000 M
-40°C to 80°C
-40°C to 85°C
28 g
- 100 -
www.topstek.com
TQDV
V080201
7/1/2008
TOPSTEK [ TOPSTEK INC. ]
