Topstek Current Transducers TPW25A .. TPW250A TPW 25A~250A Features Applications iHighly reliable Hall Effect device iCompact and light weight. Two sensors in one package iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 50 kHz) iLow power consumption (24 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 encapsulate, 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 e.g. electric trains iOther automatic control systems Specifications Parameter Symbol Unit TPW 25A TPW 37.5A TPW 50A TPW 75A TPW 100A TPW 125A TPW 150A TPW 175A TPW 200A TPW 250A 37.5 50 75 100 125 150 175 200 250 Nominal Input Current Ifn A DC 25 Saturation Current Ifs A DC ±75 ±112.5 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±600 Linear Range Ifs A DC ±75 ±112.5 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±600 Nominal Output Voltage Vhn V 4 V±1% @ If=Ifn ( RL=10k) 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 Supply Voltage VCC/VEE V ±15V ±5% Linearity % Within ±1% of Ifn Consumption Current ICC mA ±24 mA nominal, ±30 mA max Response Time (90%Vhn) Tr Psec Response Performance - % 10% Overshoot max. fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°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 -15°C to 80°C Storage Temperature Ts °C -20°C to 85°C Mass W g 85 g Frequency bandwidth (-3dB) 10 Psec max. @ d If /dt = Ifn / Psec < ±3 mV/°C - 96 www.topstek.com < ±2 mV/°C TPW V080622 7/1/2008 Topstek Current Transducers TPW25A .. TPW250A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. TPW100A 08265 [ Positive current flow direction 3 Pin Assignment $ % [ & +15V GND -15V Output A NC* Output C &KDQHO%LVHPSW\QRRXWSXWDWSLQ - 97 www.topstek.com TPW V080622 7/1/2008