Topstek Current Transducer TQDV25A .. TQDV200A Closed Loop Current Transducers TQDV25A ~150A Features Applications 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 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 Symbol Unit TQDV 25A TQDV 37.5A TQDV 50A TQDV 75A TQDV 100A TQDV 125A Nominal Input Current Ifn A DC ±25 ±37.5 ±50 ±75 ±100 ±125 Linear Range Ifs A DC ±63 ±94 ±125 ±188 ±250 ±313 Secondary Coil Current IS A Consumption Current@ If=Ifn ICC mA Nominal Output Voltage Vhn V ±4 V±1% at If=Ifn ( RL=10k) , Ta=25°C Supply Voltage Range VCC/VEE V ±15V ±5% Offset Voltage Vos mV Within ±40 mV @ If=0, Ta=25°C Output Resistance ROUT <100(50nominal) Hysteresis Error Voh mV Within ±35 mV @ If=Ifn0 Linearity % Within ±0.2% of Ifn Response Time (90%Vhn) Tr Psec Frequency Bandwidth (-3dB) fBW Hz DC to 150kHz Thermal Drift of Output - %/°C Within ±0.02 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C Dielectric Strength - V AC2.5KV X 60 sec Isolation Resistance @ 1000 VDC RIS M >1000 M Operating Temperature Ta °C -40°C to 80°C Storage Temperature Ts °C -40°C to 85°C Mass W g 28 g Parameter If /1000 35 If /2000 50 60 3 Psec max. Within - 100 www.topstek.com 48 @ 60 72 d If /dt = Ipn / Psec ±1.5 mV/°C @ Ifn TQDV V080201 7/1/2008 Topstek Current Transducer TQDV25A .. TQDV200A Appearance, dimensions and pin identification All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted. s s [ [ mounting post +15V -15V VOUT 0V Pin Assignment - 101 www.topstek.com TQDV V080201 7/1/2008