Topstek Current Transducer TGD3A .. TGD40A TGD 3A~50A Applications Features 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 (22 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 TGD3A .. TGD40A Nominal Input Current Ifn A DC 3 .. 40 Linear Range Ifs A DC ±3.75 .. ±50 = 1.25x Ifn Nominal Output Voltage Vhn V VCC/2 ±1.5V at If=±Ifn ( RL=10k) mV Within ±45mV Vos mV VCC/2 ±35 mV @ If=0, Ta=25°C Output Resistance ROUT <100 Supply Voltage VCC V +5V ±5% Linearity % Within ±1% of Ifn Consumption Current ICC mA +22 mA nominal, +30 mA max Response Time (90%Vhn) Tr Psec Frequency bandwidth (-3dB) fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C Within 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 8g Nominal Output Voltage Accuracy Offset Voltage - 36 www.topstek.com 5 Psec max. @ d If /dt = Ifn / Psec ±2 mV/°C @ Ifn TGD V080708 7/8/2008 Topstek Current Transducer TGD3A .. TGD40A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. s Primary 4x d Secondary pins 5x(0.5x0.25) 1 2 3 4 5 6 7 8 9 +5V NC VOUT1 VOUT2 GND I1+ I1I2+ I2- Primary Current Input Pin Diameter 3A-9A 10A-14A 15A-24A 25A-40A d(mm) 0.6 0.8 1.0 1.2 - 37 www.topstek.com TGD V0800708 7/8/2008