WCS1750 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2009/9/9 hall effect base linear current sensor features: low noise analog signal path 120 ? internal conductor resistance output voltage proportional to ac and dc current min. sensing current 60a at 5v voltage supply high sensitivity 33mv/a wide operating voltage range 3.0~12 v. low operating current 3ma nearly zero magnetic hysteresis. ratiometric output from supply voltage 23k hz bandwidth functional description : the winson WCS1750 provides economical and precise solution for both dc and ac current sensing in industrial, commercial and communications systems. the unique package allows for easy implementation by the customer. typical applications include motor control, load detection and management, over-current fault detection and any intelligent power management system etc? the WCS1750 consists of a precise, low-temperature drift linear hall sensor ic with temperature compensat ion circuit and a current transformer with 120 ? typical internal conductor re sistance. this extremely low resistance can effectively reduce pow er loss, operating temperature and increase the reliability greatly. applied cu rrent flowing through this conduction path generates a magnetic field which is sensed by the integrated hall ic and converted into a proportional voltage. the terminals of the conductive path are electrically isolated from the sensor leads. this allow the wc s1750 current sensor to be used in applications requiring electrical isolati on without the use of opto-isolators or other costly isolation techniques and ma ke system more competitive in cost.
WCS1750 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2009/9/9 function block: electrical characteristics: (t=+25 ? c, vdd=5.0v ) characteristic symbol test conditions min typ max units supply voltage vcc ?
WCS1750 winson reserves the right to make changes to improve reliability or manufacturability. ?winson, 2009/9/9 ip= +10 a +29 +32 +35 sensitivity vout ip= -10 a -30 -33 -36 mv/a bandwidth bw 23 khz vdd=5v 60 measurable current range mcr vdd=12v 120 a temperature drift vout ip =0 a 0.5 mv/ all output-voltage measurem ents are made with a voltmeter havi ng an input impedance of at least 100 k normalized sensitivity (by 30oc) vs. temperature 0.00 0.20 0.40 0.60 0.80 1.00 1.20 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 oc factor package information:
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