SS539 bipolar hall-effect position sensor packages features and benefits ? 4.5v to 24v operation ? -40 to 150 superior temperature operation ? bipolar technology ? open-collector 25 ma output ? reverse battery protection ? solid-state reliability ? resistant to physical stress ? small size-sot23 3l and sip 3l ? activate with small, commercially available 3 pin sot23 (suffix so) 3 pin sip (suffix ua) permanent magnets ? functional block diagram application examples ? automotive, consumer and industrial ? solid-state switch ? brushless dc motor commutation ? speed measurement ? angular position detection ? revolution counting ? proximity detection ? general description the SS539 is an integrated hall effect latched sensor designed for electronic commutation of brush-less dc motor applications. the device integrates a voltage regulator, reverse battery protection diode, hall sensor with dynamic offset cance llation system, temperature compensation circuitry, small signal amplifier, schmitt trigger and an open-collector output to sink up to 25 ma these hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150 , and are more stable with both temperature and supply voltage changes. if a magnetic flux density larger than threshold bop, output is turned on (low). the output state is held until a magnetic flux density reversal falls below b rp , causing output to be turned off (high). thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in dc motor applications. the device is delivered in a small outline transistor (sot) or in a plastic single in line ( sip 3l flat). both 3-lead packages are rohs compliant. sip package sot package pin 1 ? v dd pin 1 ? v dd pin 2 ? gnd pin 2 ? out pin 3 ? out pin 3 ? gnd ? 1 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS539 bipolar hall-effect position sensor glossary of terms millitesla (mt), gauss units of magnetic flux density: 1mt = 10 gauss rohs restriction of hazardous substances operating point (b op ) magnetic flux density applied on the branded side of the package which turns the output driver on (v out = v dson ) release point (b rp ) magnetic flux density applied on the branded side of the package which turns the output driver off (v out = high) pin definitions and descriptions ? sot pin sip pin name type function 1 1 vdd supply supply voltage pin 2 3 out output open drain output pin 3 2 gnd ground ground pin table 1: pin definitions and descriptions absolute maximum ratings parameter symbol value units supply voltage v dd 28 v supply current i dd 50 ma output voltage v out 28 v output current i out 50 ma storage temperature range t s -65 to 170 c table 2: absolute maximum ratings operating temperature range symbol value units temperature suffix ?e? t a -40 to 85 c temperature suffix ?k? t a -40 to125 c temperature suffix ?l? t a -40 to 150 c exceeding the absolute maximum ratings may cause permanent damage. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS539 bipolar hall-effect position sensor general electrical specifications dc operating parameters t a = 25 , v dd = 4.5v to 24v (unless otherwise specified) parameter symbol test conditions min typ max units supply voltage v dd operating 4.5 24 v supply current i dd b < b rp 5 10 ma output saturation voltage v dson i out = 20ma, b > b op 0.4 0.5 v output leakage current i off b < b rp v out = 24v 0.01 5 a output rise time t r r l = 1k ? , c l = 20pf 0.3 1.5 s output fall time t f r l = 1k ? , c l = 20pf 0.3 1.5 s table 3: electrical specifications magnetic specifications dc operating parameters v dd = 4.5v to 24v (unless otherwise specified) SS539 parameter symbol test conditions min typ max units operating point b op 5 70 g release point b rp -70 -5 g hysteresis b hyst ta=25 ,v dd =5v dc 90 g table 4: magnetic specifications application information 3 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS539 bipolar hall-effect position sensor package ua, 3-pin sip: ? 4 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
SS539 bipolar hall-effect position sensor package sot, 3-pin sot-23: sot-23 package hall location: ordering information part no. pb-free temperature code package code packing SS539esot yes -40c to 85c sot-23 7-in. reel, 3000 pieces/reel SS539eua yes -40c to 85c to-92 bulk, 1000 pieces/bag SS539ksot yes -40c to125c sot-23 7-in. reel, 3000 pieces/reel SS539kua yes -40c to125c to -92 bulk, 1000 pieces/bag SS539lsot yes -40c to 150c sot-23 7-in. reel, 3000 pieces/reel SS539lua yes -40c to 150c to-92 bulk, 1000 pieces/bag ? 5 v2.10 may 1, 2012 www.datasheet.net/ datasheet pdf - http://www..co.kr/
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