Topstek Current Transducer TKV 3A .. TKV 50A TKV 3A~50A Applications Features iHighly reliable Hall Effect device iCompact and light weight iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 50 kHz) iLow power consumption (12 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 TKV3A .. TKV50A TKV3A-B12 .. TKV50A-B12 Nominal Input Current Ifn A DC Linear Range Ifs A DC Nominal Output Voltage Vhn V 4 V±1% at If=Ifn ( RL=10k) Offset Voltage Vos mV Within ±40 mV @ If=0, Ta=25°C Output Resistance ROUT <100 Hysteresis Error Voh mV Within ±15 mV @ If=Ifn0 Supply Voltage VCC/VEE V Linearity % Within ±1% of Ifn Consumption Current ICC mA ±12 mA nominal, ±16 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 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 10 g 3 .. 50 ±9 .. ±150 = 3x Ifn - 77 www.topstek.com ±7.2 .. ±120 = 2.4x Ifn ±15V ±5% ±12V ±5% 3 Psec max. Within @ d If /dt = Ifn / Psec ±1.5 mV/°C @ Ifn TKV V080227 7/1/2008 Topstek Current Transducer TKV 3A .. TKV 50A Appearance, dimensions and pin identification for TKV 3A .. TKV 25A models All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. PD[ TKV 3A 07262 s PD[ 3ULPDU\[ G Secondary pins 4x(0.5x0.25) [ [[ Pin Assignment [ G Bottom View -15V 0V +15V VOUT I+ I- [ [ [ H 3A to 25A PCB mounting hole layout Nominal Primary Current 3--4A 5--7A 7.5--12A 12.5—20A 21—30A d (mm) 0.6 0.8 1.0 1.2 1.6 e (mm) 1.2 1.4 1.6 1.8 2.2 - 78 www.topstek.com TKV V080227 7/1/2008 Topstek Current Transducer TKV 3A .. TKV 50A Appearance, dimensions and pin identification for TKV 30A..TKV 50A models All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted. PD[ TKV 30A 07262 s PD[ Primary[ G Secondary pins 4x(0.5x0.25) [[ [ Pin Assignment s [ G Bottom View [ [ [ H -15V 0V +15V VOUT I+ I- PCB mounting hole layout Nominal Primary Current d (mm) e (mm) 30—37.5A 1.6 2.2 - 79 www.topstek.com 40--50A 2.0 2.6 TKV V080227 7/1/2008