TQL50A Datasheet, PDF (1/2 Pages) Topstek Inc. – Topstek Current Transducer

Topstek Current Transducer TQL50A
TQL50A
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 (> 150 kHz)
i Low power consumption (9 mA nominal)
i Capable 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
Symbol Unit
Nominal Input Current
I_pn
A DC
Supply Voltage Range
V_CC/V_EE
V
Supply Voltage ±5%
V_CC/V_EE
V
Consumption Current
I_CC
mA
Measuring Range
I_fs
A DC
Maximum Load Resistance R_Mmax
ȍ
Minimum Load Resistance R_Mmin
ȍ
Conversion Ratio
K_N
Secondary Current @ I_pn
I_s
mA
Secondary Resistance
R_Mmax
ȍ
Offset Current
I_os
mA
Overall Accuracy @ I_pn
%
Linearity
È¡
%
Response Time (90%V_hn)
T_r
Psec
Frequency bandwidth (-3dB) f_BW
Hz
Thermal Drift of Output
-
mA
Dielectric Strength
-
V
Isolation Resistance
@ 1000 VDC
R_IS
Mȍ
Operating Temperature
T_a
°C
Storage Temperature
T_s
°C
Mass
W
g
TQL50A
±50
±12 --- ±15
±12
±15
15 mA + I_s
±80
±100
±80
±100
37.5
15
75
45
0
0
20
20
1:1000
50
63 @ 25°C, 65 @ 80°C
Within ±0.3 mA @ I_p=0, T_a=25°C
Within ±0.3% of I_pn
Within ±0.1% of I_pn
2 Psec max. @ d I_f /dt = I_pn / Psec
DC to 150kHz
Within ±0.5mA 0°C~80°C
AC2.5KV X 60 sec
>1000 Mȍ
-20°C to 80°C
-20°C to 85°C
27 g
- 110 -
www.topstek.com
TQL50A V080201 7/1/2008