wcs 2 750 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/5/27 hall effect base linear current sensor features: ? low noise analog signal path ? 85 ? internal conductor resistance ? output voltage proportional to ac and dc current ? min. sensing current 0~ 60a at 5 v voltage supply ? high sensitivity 3 2 mv/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 wcs 2 750 provide s 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 man agement, over - current fault detection and any intelligent power management system etc? the wcs 2 7 50 consists of a precise, low - temperature drift linear hall sensor ic with temperature compensation circuit and a current path with 85 ? typical internal cond uctor resistance. this extremely low resistance can effectively reduce power loss, operating temperature and increase the reliability greatly. applied current 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 wcs 2 7 5 0 current sensor to be used in applications requiring electrical isolation without the use of o pto - isolators or other costly isolation techniques and make system more competitive in cost.
wcs 2 750 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/5/27 function block: electrical characteristics: (t=+25 ? c, vdd=5.0v ) characteristic symbol test conditions min typ max units supply voltage vcc 3.0 12 v supply current isupply ip =0 a 3.5 6.0 ma zero current vout v0g i p =0 a 2. 4 2.5 2. 6 v primary conductor resistance r p rimary i p =10 a 85
sensitivity vout i p= 1 0 a 2 7 3 2 3 7 mv/ a
wcs 2 750 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/5/27 ba ndwidth bw 23 khz measurable current range m c r vdd=5v ( dc current ) 60 a vdd= 5 v ( ac rms ) 40 temperature drift vout ip =0 a 0.5 m v/ 1.all output - voltage measurements are made with a voltmeter having an input impedance of at least 1 00k 2. do not apply any load on output pin, it will degrade ic s performance. 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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