WCS1700 Hall Effect Base Linear Current Sensor Features: Diameter 9.0 mm conductor through hole Output voltage proportional to AC and DC current Wide sensing current range 0~70A at 5V voltage supply High sensitivity 30 mV/A Wide operating voltage range 3.0~12 V. Low operating current 3mA Isolation voltage 4000V Ratiometric output from supply voltage 23K Hz Bandwidth Functional Description : The Winson WCS1700 current sensor provides economical and precise solution for both DC and AC current sensing in industrial, commercial and communications systems. The unique package provides easy implementation without breaking original system and makes current sensing possible. Typical applications include motor control, load detection and management, over-current fault detection and any intelligent power management system etc… The WCS1700 consists of a precise, low-temperature drift linear hall sensor IC with temperature compensation circuit and a diameter 9.0mm through hole. Users can use system’s own electric wire by pass it through this hole to measure passing current. This design allows system designers to monitor any current path without breaking or changing original system layout at all. Any current flowing through this hole will generate 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 allows the WCS1700 current sensor to be used in applications requiring electrical isolation without the use of opto-isolators or other costly isolation techniques and make system more competitive in cost. Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/27 WCS1700 Function Block: Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/27 WCS1700 Electrical Characteristics: Characteristic Symbol Supply Voltage Vdd Supply Current Isupply V0G Zero Current Vout Conductor Through Hole Sensitivity WCS1700 Bandwidth BW WCS1700 Measurable Current Range Temperature Drift △Vout (T=+25˚C, Vdd=5.0V ) Test Conditions ─ Min Typ Max Units 3.0 ─ 12 V IP =0 A ─ 3.5 6.0 mA IP =0 A 2.4 ─ 2.5 9.0 2.6 ─ V mm IP= +-10 A 25 30 35 mV/A － 23 － kHz Vdd=5V (DC ) － ±70 － Vdd=5V (AC RMS ) － 50 － Ip =0 A － ±0.5 － A mV/℃ 1.All output-voltage measurements are made with a voltmeter having an input impedance of at least 100kΩ 2. Do not apply any load on output pin, it will degrade IC’s performance. Package Information: Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/27 WCS1700 Characteristic Diagrams: WCS1700: Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/27 WCS1700 Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/27