wcs 1301,1302,1303,1304 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/2/6 hall effect base current s witch features: ? 8 .3 m internal conductor resistance ? output ? low ? when ip>= iop ? output ? high ? when ip < irp ? wide operating voltage range 2.6 ~1 8 v. ? low operating current 2.0 ma ? 10 k hz bandwidth ? customized spec. upon request functional description : winson ? s wcs 1301,1302,1303 and 1304 provides cheap and convenient solution for current detection in industrial and commercial electronic systems. typical applications include short circuit detection , load detection and over - current fault detection etc? the wcs 1301~4 consists of a precise, low - temperature drift hall s witch ic with temperature compe nsation circuit and a current p a th with typical 8 .3 m internal conductor resistance. this extremely low resistance can effectively reduce power loss, operating temperature and increase the reliability greatly. measured current ip flowing through this conduction path generates a magnetic field which is sensed by the integrated hall switch ic and output ? low ? when ip>=iop and output ? high ? when ip wcs 1301,1302,1303,1304 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/2/6 function block: electrical characteristics: (t=+25 ? c, vdd= 5 .0v ) characteristic symbol test conditions min typ max units supply voltage v dd 2 . 6 1 8 v supply current isupply ip =0 a 2 . 0 5 .0 ma vout saturation voltage v sat i p > = i o p, isink=10 m a 0.2 0 . 6 v output leakage current i leakage vdd= 5 v, i p < irp <0.1 10 ua primary conductor resistance r primary i p= 5 a 8.3 m
bandwidth bw 10 khz output rise time tr ipiop, rl=2k
cl=20pf 0.3 1.5 us all output - voltage measurements are made with a voltmeter having an input impedance of at least 100 k
wcs 1301,1302,1303,1304 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/2/6 current characteristics: (t=+25 ? c, vdd= 5 .0v ) charactieristic symbol part no min. typ. max. unit operating point i op wcs1301 0.6 0.8 1.0 wcs1302 1.0 1.5 2.0 a WCS1303 2.0 2.5 3.0 wcs1304 3.0 3.5 4 . 0 release point i rp wcs1301 0. 2 wcs1302 0. 5 a WCS1303 1.5 wcs1304 2. 2 hysteresis current i hys 0.2 0.8 a application circuit:
wcs 1301,1302,1303,1304 winson reserves the right to make changes to improve reliability or manufacturability. ? winson, 2015/2/6 package information:
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