topstek current transducers tp25a .. tp300a - 92 - www.topstek.com tp v080201 7/1/2008 tp 25a~300a features highly reliable hall effect device compact and light weight. three sensors in one package fast response time excellent linearity of the output voltage over a wide input range excellent frequency response (> 50 khz) low power consumption (33 ma nominal) capable of measuring both dc and ac, both pulsed and mixed high isolation voltage between the measuring circuit and the current-carrying conductor (ac2.5kv) extended operating temperature range flame-retardant plastic case and silicone encapsulate, using ul classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range applications ups systems industrial robots nc tooling machines elevator controllers process control devices ac and dc servo systems motor speed controller electrical vehicle controllers inverter-controlled welding machines general and special purpose inverters power supply for laser processing machines controller for traction equipment e.g. electric trains other automatic control systems specifications parameter symbol unit tp 25a tp 37.5a tp 50a tp 75a tp 100a tp 125a tp 150a tp 175a tp 200a tp 250a tp 300a nominal input current i fn a dc 25 37.5 50 75 10 0 125 150 175 200 250 300 saturation current i fs a dc 75 112.5 150 225 300 375 450 525 600 600 600 linear range i fs a dc 75 112.5 150 225 300 375 450 450 450 450 450 nominal output voltage v hn v 4 v1% @ if=i fn ( r l =10k) offset voltage v os mv within 35 mv @ i f =0, t a =25c output resistance r out <100(50nominal) hysteresis error v oh mv within 25 mv @ i f =i fn 0 supply voltage v cc /v ee v 15v 5% linearity % within 1% of i fn consumption current i cc ma 33 ma nominal, 45 ma max response time (90%v hn ) t r sec 10 sec max. @ d i f / dt = i fn / sec response performance - % 5% overshoot max. frequency bandwidth (-3db) f bw hz dc to 50khz thermal drift of output - %/c within 0.1 %/c @ i fn thermal drift of zero current offset - mv/c < 3 <2 < 1.5 < 1 mv/c dielectric strength - v ac2.5kv x 60 sec isolation resistance @ 1000 vdc r is m >1000 m operating temperature t a c -15c to 80c storage temperature t s c -20c to 85c mass w g 90 g
topstek current transducers tp25a .. tp300a - 93 - www.topstek.com tp v080201 7/1/2008 positive current flow direction 3 gain 1 offset 1 gain 2 offset 2 gain 3 offset 3 pin assignment output1 gnd -15v +15v s output3 output2 s ) d v w s l q input1 input2 input3 [ [ appearance, dimensions and pin identification all dimensions in mm 0.2, holes C0, +0.2 except otherwise noted. cx
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