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page 1/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com for the electronic measurement of current: dc, ac, pulsed..., with galvanic separation between the primary and the secondary circuit. features open loop multi-range current transducer voltage output single power supply +5 v over-current detect 2.93 x i pn (peak value) eeprom control galvanic separation between primary and secondary circuit low power consumption compact design for tht pcb mounting factory calibrated dedicated parameter settings available on request (see page 9). advantages low offset drift over-drivable v ref 8 mm creepage /clearance fast response. applications ac variable speed and servo motor drives static converters for dc motor drives battery supplied applications uninterruptible power supplies (ups) switched mode power supplies (smps) power supplies for welding applications combiner box solar inverter on dc side of the inverter (mppt). standards en 50178: 1997 iec 61010-1: 2010 iec 61326-1: 2012 ul 508: 2010 (pending). application domain industrial. current transducer ho-np series i pn = 40, 60, 120, 150 a ref: ho 40-np, ho 60-np, ho 120-np, ho 150-np n97.k3.23.000.0; n97.k3.27.000.0; n97.k3.36.000.0; n97.k3.39.000.0
page 2/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com absolute maximum ratings parameter symbol unit value supply voltage (not destructive) u c v 8 supply voltage (not entering non standard modes) u c v 6.5 primary conductor temperature t b c 120 esd rating, human body model (hbm) u esd kv 2 stresses above these ratings may cause permanent damage. exposure to absolute maximum ratings for extended periods may degrade reliability. insulation coordination parameter symbol unit value comment rms voltage for ac insulation test 50/60hz/1 min u d kv 4.3 impulse withstand voltage 1.2/50 s ? w kv 8 partial discharge extinction rms voltage @ 10 pc u e v >930 primary / secondary clearance (pri. - sec.) d ci mm >8 shortest distance through air creepage distance (pri. - sec.) d cp mm >8 shortest path along device body clearance (pri. - sec.) mm >8 when mounted on pcb with recommended layout case material v0 according to ul 94 comparative tracking index cti - 600 application example - - 600 v cat iii pd2 reinforced insulation, non uniform feld according to en 50178, en 61010 application example - - 1000 v cat iii pd2 based insulation, non uniform feld according to en 50178, en 61010 application example - - 600 v cat iii pd2 simple insulation, non uniform feld according to ul 508 environmental and mechanical characteristics parameter symbol unit min typ max comment ambient operating temperature t a c -40 105 ambient storage temperature t s c -40 105 mass m g 31 ho 40 .. 150-np series
page 3/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com electrical data ho 40-np-0100 at t a = 25 c, u c = +5 v, r l = 10 k? unless otherwise noted (see min, max, typ. defnition paragraph in page 10). parameter symbol unit min typ max comment primary nominal rms current i pn a 40 primary current, measuring range i pm a -100 100 @ u c 4.6 v number of primary turns n p 1,2,4 see application information primary jumper resistance @ +25 c r p m 0.09 4 jumpers in // primary jumper resistance @ +120 c r p m 0.12 4 jumpers in // supply voltage 1) u c v 4.5 5 5.5 current consumption i c ma 19 25 reference voltage (output) v ref v 2.48 2.5 2.52 internal reference reference voltage (input) v ref v 0.5 2.65 external reference output voltage range @ i pm v out - v ref v -2 2 over operating temperature range v ref output resistance r ref 130 200 300 series v out output resistance r out 2 5 series allowed capacitive load c l nf 0 6 ocd output: on resistance r on 70 95 150 open drain, active low over operating temperature range ocd output: hold time t hold ms 0.7 1 1.4 additional time after threshold has released eeprom control v out mv 0 50 v out forced to gnd when eeprom in an error state 2) electrical offset voltage @ i p = 0 a v oe mv -5 5 v out - v ref @ v ref = 2.5 v electrical offset current referred to primary i oe a -0.25 0.25 temperature coeffcient of v ref tcv ref ppm/k -170 170 -40 c .. 105 c temperature coeffcient of v oe tcv oe mv/k -0.075 0.075 -40 c .. 105 c offset drift referred to primary @ i p = 0 a tci oe ma/k -3.75 3.75 -40 c .. 105 c theoretical sensitivity g th mv/a 20 800 mv@ i pn sensitivity error @ i pn g % -0.75 0.75 factory adjustment, 1 turn confguration, 4 jumpers in // temperature coeffcient of g tcg ppm/k -200 200 -40 c .. 105 c linearity error 0 .. i pn l % of i pn -0.75 0.75 linearity error 0 .. i pm l % of i pm -0.5 0.5 magnetic offset current (@ 10 i pn ) referred to primary i om a -0.8 0.8 one turn reaction time @ 10 % of i pn t ra s 2 @ 50 a/s response time @ 90 % of i pn t r s 2.5 @ 50 a/s frequency bandwidth (-3 db) bw khz 350 output rms voltage noise (spectral density) (100 hz .. 100 khz) e no v/hz 16 output voltage noise (dc .. 10 khz) (dc .. 100 khz) (dc .. 1 mhz) v no mvpp 7.8 24.2 45.1 over-current detect a 2.64 x i pn 2.93 x i pn 3.22 x i pn peak value 10 % accuracy @ i pn x % of i pn -1.5 1.5 accuracy @ i pn @ t a = +105 c x % of i pn -3.9 3.9 see formula note 3) accuracy @ i pn @ t a = +85 c x % of i pn -3.5 3.5 see formula note 3) notes: 1) 3.3 v sp version available 2) eeprom in an error state makes the transducer behave like a reverse current saturation. use of the ocd may help to differentiate the two cases. 3) x ta (t a - 25) = x + ( + tcg 10000 tci oe 1000 i p 100 (t a - 25)). accuracy @ (% of i pn ) ho 40 .. 150-np series
page 4/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com electrical data ho 60-np-0100 at t a = 25 c, u c = +5 v, r l = 10 k? unless otherwise noted (see min, max, typ. defnition paragraph in page 10). parameter symbol unit min typ max comment primary nominal rms current i pn a 60 primary current, measuring range i pm a -150 150 @ u c 4.6 v number of primary turns n p 1,2,4 see application information primary jumper resistance @ +25 c r p m 0.09 4 jumpers in // primary jumper resistance @ +120 c r p m 0.12 4 jumpers in // supply voltage 1) u c v 4.5 5 5.5 current consumption i c ma 19 25 reference voltage (output) v ref v 2.48 2.5 2.52 internal reference reference voltage (input) v ref v 0.5 2.65 external reference output voltage range @ i pm v out - v ref v -2 2 over operating temperature range v ref output resistance r ref 130 200 300 series v out output resistance r out 2 5 series allowed capacitive load c l nf 0 6 ocd output: on resistance r on 70 95 150 open drain, active low, over operating temperature range ocd output: hold time t hold ms 0.7 1 1.4 additional time after threshold has released eeprom control v out mv 0 50 v out forced to gnd when eeprom in an error state 2) electrical offset voltage @ i p = 0 v oe mv -5 5 v out - v ref @ v ref = 2.5 v electrical offset current referred to primary i oe a -0.375 0.375 temperature coeffcient of v ref tcv ref ppm/k -170 170 -40 c .. 105 c temperature coeffcient of v oe tcv oe mv/k -0.075 0.075 -40 c .. 105 c offset drift referred to primary @ i p = 0 tci oe ma/k -5.625 5.625 -40 c .. 105 c theoretical sensitivity g th mv/a 13.333 800 mv@ i pn sensitivity error @ i pn g % -0.75 0.75 factory adjustment, 1 turn confguration, 4 jumpers in // temperature coeffcient of g tcg ppm/k -200 200 -40 c .. 105 c linearity error 0 .. i pn l % of i pn -0.65 0.65 linearity error 0 .. i pm l % of i pm -0.5 0.5 magnetic offset current (@10 i pn ) referred to primary i om a -0.8 0.8 one turn reaction time @ 10 % of i pn t ra s 2 @ 50 a/s response time @ 90 % of i pn t r s 2.5 @ 50 a/s frequency bandwidth (-3 db) bw khz 350 output rms voltage noise (spectral density) (100 hz .. 100 khz) e no v/hz 11 output voltage noise (dc .. 10 khz) (dc .. 100 khz) (dc .. 1 mhz) v no mvpp 5.7 16.5 31.1 over-current detect a 2.64 x i pn 2.93 x i pn 3.22 x i pn peak value 10 % accuracy @ i pn x % of i pn -1.4 1.4 accuracy @ i pn @ t a = +105 c x % of i pn -3.8 3.8 see formula note 3) accuracy @ i pn @ t a = +85 c x % of i pn -3.4 3.4 see formula note 3) notes: 1) 3.3 v sp version available 2) eeprom in an error state makes the transducer behave like a reverse current saturation. use of the ocd may help to differentiate the two cases. 3) x ta (t a - 25) = x + ( + tcg 10000 tci oe 1000 i p 100 (t a - 25)). accuracy @ (% of i pn ) ho 40 .. 150-np series
page 5/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com electrical data ho 120-np-0100 at t a = 25 c, u c = +5 v, r l = 10 k? unless otherwise noted (see min, max, typ. defnition paragraph in page 10). parameter symbol unit min typ max comment primary nominal rms current i pn a 120 primary current, measuring range i pm a -300 300 @ u c 4.6 v number of primary turns n p 1,2,4 see application information primary jumper resistance @ +25 c r p m 0.09 4 jumpers in // primary jumper resistance @ +120 c r p m 0.12 4 jumpers in // supply voltage 1) u c v 4.5 5 5.5 current consumption i c ma 19 25 reference voltage (output) v ref v 2.48 2.5 2.52 internal reference reference voltage (input) v ref v 0.5 2.65 external reference output voltage range @ i pm v out - v ref v -2 2 over operating temperature range v ref output resistance r ref 130 200 300 series v out output resistance r out 2 5 series allowed capacitive load c l nf 0 6 ocd output: on resistance r on 70 95 150 open drain, active low, over operating temperature range ocd output: hold time t hold ms 0.7 1 1.4 additional time after threshold has released eeprom control v out mv 0 50 v out forced to gnd when eeprom in an error state 2) electrical offset voltage @ i p = 0 a v oe mv -5 5 v out - v ref @ v ref = 2.5 v electrical offset current referred to primary i oe a -0.75 0.75 temperature coeffcient of v ref tcv ref ppm/k -170 170 -40 c .. 105 c temperature coeffcient of v oe tcv oe mv/k -0.075 0.075 -40 c .. 105 c offset drift referred to primary @ i p = 0 a tci oe ma/k -11.25 11.25 -40 c .. 105 c theoretical sensitivity g th mv/a 6.667 800 mv@ i pn sensitivity error @ i pn g % -0.75 0.75 factory adjustment, 1 turn confguration, 4 jumpers in // temperature coeffcient of g tcg ppm/k -200 200 -40 c .. 105 c linearity error 0 .. i pn l % of i pn -0.5 0.5 linearity error 0 .. i pm l % of i pm -0.5 0.5 magnetic offset current (@10 i pn ) referred to primary i om a -0.8 0.8 one turn reaction time @ 10 % of i pn t ra s 2 @ 50 a/s response time @ 90 % of i pn t r s 2.5 @ 50 a/s frequency bandwidth (-3 db) bw khz 350 output rms voltage noise (spectral density) (100 hz .. 100 khz) e no v/hz 6.1 output voltage noise (dc .. 10 khz) (dc .. 100 khz) (dc .. 1 mhz) v no mvpp 3.6 8.9 17.1 over-current detect a 2.64 x i pn 2.93 x i pn 3.22 x i pn peak value 10 % accuracy @ i pn x % of i pn -1.25 1.25 accuracy @ i pn @ t a = +105 c x % of i pn -3.65 3.65 see formula note 3 accuracy @ i pn @ t a = +85 c x % of i pn -3.25 3.25 see formula note 3) notes: 1) 3.3 v sp version available 2) eeprom in an error state makes the transducer behave like a reverse current saturation. use of the ocd may help to differentiate the two cases. 3) x ta (t a - 25) = x + ( + tcg 10000 tci oe 1000 i p 100 (t a - 25)). accuracy @ (% of i pn ) ho 40 .. 150-np series
page 6/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com electrical data ho 150-np-0100 at t a = 25 c, u c = +5 v, r l = 10 k? unless otherwise noted (see min, max, typ. defnition paragraph in page 10). parameter symbol unit min typ max comment primary nominal rms current i pn a 150 primary current, measuring range 85 c 1) 105 c i pm a -375 -360 375 360 @ u c 4.6 v number of primary turns n p 1,2,4 see application information primary jumper resistance @ +25 c r p m 0.09 4 jumpers in // primary jumper resistance @ +120 c r p m 0.12 4 jumpers in // supply voltage 2) u c v 4.5 5 5.5 current consumption i c ma 19 25 reference voltage (output) v ref v 2.48 2.5 2.52 internal reference reference voltage (input) v ref v 0.5 2.65 external reference output voltage range @ i pm v out - v ref v -2 2 over operating temperature range v ref output resistance r ref 130 200 300 series v out output resistance r out 2 5 series allowed capacitive load c l nf 0 6 ocd output: on resistance r on 70 95 150 open drain, active low, over operating temperature range ocd output: hold time t hold ms 0.7 1 1.4 additional time after threshold has released eeprom control v out mv 0 50 v out forced to gnd when eeprom in an error state 3) electrical offset voltage @ i p = 0 a v oe mv -5 5 v out - v ref @ v ref = 2.5 v electrical offset current referred to primary i oe a -0.9375 0.9375 temperature coeffcient of v ref tcv ref ppm/k -170 170 -40 c .. 105 c temperature coeffcient of v oe tcv oe mv/k -0.075 0.075 -40 c .. 105 c offset drift referred to primary @ i p = 0 a tci oe ma/k -14.0625 14.0625 -40 c .. 105 c theoretical sensitivity g th mv/a 5.333 800 mv@ i pn sensitivity error @ i pn g % -0.75 0.75 factory adjustment, 1 turn confguration, 4 jumpers in // temperature coeffcient of g tcg ppm/k -200 200 -40 c .. 105 c linearity error 0 .. i pn l % of i pn -0.4 0.4 linearity error 0 .. i pm l % of i pm -0.5 0.5 magnetic offset current (@10 i pn ) referred to primary i om a -0.8 0.8 one turn reaction time @ 10 % of i pn t ra s 2 @ 50 a/s response time @ 90 % of i pn t r s 2.5 @ 50 a/s frequency bandwidth (-3 db) bw khz 350 output rms voltage noise (spectral density) (100 hz .. 100 khz) e no v/hz 5.2 output voltage noise (dc .. 10 khz) (dc .. 100 khz) (dc .. 1 mhz) v no mvpp 3.2 7.3 14.3 over-current detect a 2.64 x i pn 2.93 x i pn 3.22 x i pn peak value 10 % accuracy @ i pn x % of i pn -1.15 1.15 accuracy @ i pn @ t a = +105 c x % of i pn -3.55 3.55 see formula note 4) accuracy @ i pn @ t a = +85 c x % of i pn -3.15 3.15 see formula note 4) notes: 1) magnetic core temperature remaining equal or less than ambiant temperature t a 2) 3.3 v sp version available 3) eeprom in an error state makes the transducer behave like a reverse current saturation. use of the ocd may help to differentiate the two cases 4) 4) x ta (t a - 25) = x + ( + tcg 10000 tci oe 1000 i p 100 (t a - 25)). accuracy @ (% of i pn ) ho 40 .. 150-np series
page 7/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com ho-np series, measuring range versus external reference voltage - 300 - 200 - 100 0 10 0 20 0 30 0 0.5 1 1.5 2 2.5 i p (a ) v r e f ( v ) h o 40 - n p u c = 5 v u = 4 . 75 v u c c = 4 . 6 v - 400 - 300 - 200 - 100 0 10 0 20 0 30 0 40 0 0.5 1 1.5 2 2.5 i p (a ) v r e f ( v ) h o 60 - n p u c = 5 v u = 4 . 75 v u c c = 4 . 6 v - 400 - 300 - 200 - 100 0 10 0 20 0 30 0 40 0 0.5 1 1.5 2 2.5 i p (a ) v r e f ( v ) h o 120 - n p u c = 5 v u = 4. 75 v u c c = 4. 6 v - 400 - 300 - 200 - 100 0 10 0 20 0 30 0 40 0 0.5 1 1.5 2 2.5 i p (a ) v r e f ( v ) h o 150 - n p u = 5 v u = 4. 75 v u c c c = 4. 6 v ho 40 .. 150-np series
page 8/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com maximum continuous dc current for all ranges: important notice: whatever the usage and/or application, the transducer jumper temperature shall not go above the maximum rating of 120 c as stated in page 2 of this datasheet. 0 50 10 0 15 0 20 0 - 40 - 20 0 20 40 60 80 10 0 12 0 14 0 i p ( a ) t a ( c) h o 4 0 - np h o 6 0 - np h o 120 - np h o 150 - np ho 40 .. 150-np series
page 9/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com ho-np series: name and codifcation ho family products may be ordered on request 1) with a dedicated setting of the parameters as described below (standards products are delivered with the setting 0100 according to the table). ho-np-xxxx standards products are: - ho 40-np-0100 - ho 60-np-0100 - ho 120-np-0100 - ho 150-np-0100 ho-np series: output compatibility with hais series reference i pn (a) i pm (a) i pm / i pn v out - v out @ i pn (v) reference i pn (a) i pm (a) i pm / i pn v out - v out @ i pn (v) ho 40-np 40 100 2.5 0.8 ho 60-np 60 150 2.5 0.8 hais 50-tp 50 150 3 0.625 ho 120-np 120 300 2.5 0.8 hais 100-tp 100 300 3 0.625 ho 150-np 150 375 2.5 0.8 the ho-np gives the same output levels as the hais-tp referring to the hais nominal currents. this allows easier replacement of hais by ho-np in existing applications. note: 1) for dedicated settings, minimum quantities apply, please contact your local lem support. internal reference 0 2.5 v 1 1.65 v 2 1.5 v 3 0.5 v 4 external v ref only over current detection ( i pn ) 0 2.93 1 3.59 2 3.99 3 4.77 4 5.19 5 5.76 6 1.68 7 2.35 response time 0 3.5 s 1 2.5 s 2 6 s eeprom control 0 yes 1 no ho 40 .. 150-np series
page 10/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com application information possibilities between range selection and number of turns 1) 2) connection diagram notes: 1) the standard confguration is with all jumpers in // (1 primary turn) which is the only one calibrated and guaranteed by lem. the sensitivity may change slightly for all other confgurations, therefore, lem advises the user to characterize any specifc confguration. 2) the maximum magnetic offset referred to primary is inversely proportional to the number of turns, thus is divided by 2 with 2 turns and by 4 with 4 turns. defnition of typical, minimum and maximum values minimum and maximum values for specifed limiting and safety conditions have to be understood as such as well as values shown in typical graphs. on the other hand, measured values are part of a statistical distribution that can be specifed by an interval with upper and lower limits and a probability for measured values to lie within this interval. unless otherwise stated (e.g. 100 % tested), the lem defnition for such intervals designated with min and max is that the probability for values of samples to lie in this interval is 99.73 %. for a normal (gaussian) distribution, this corresponds to an interval between -3 sigma and +3 sigma. if typical values are not obviously mean or average values, those values are defned to delimit intervals with a probability of 68.27 %, corresponding to an interval between -sigma and +sigma for a normal distribution. typical, maximal and minimal values are determined during the initial characterization of a product. remark installation of the transducer must be done unless otherwise specifed on the datasheet, according to lem transducer generic mounting rules. please refer to lem document nane120504 available on our w eb site: products/product documentation. number of primary turns primary resistance current rms r p (m? ) @ t a = 25 c recommended connections 1 0.09 10 11 12 13 9 8 7 6 2 0.36 10 11 12 13 9 8 7 6 4 1.45 10 11 12 13 9 8 7 6 number of primary turns primary current i pn = 40 a i pn = 60 a i pn = 120 a i pn = 150 a 1 40 a 60 a 120 a 150 a 2 20 a 30 a 60 a 75 a 4 10 a 15 a 30 a 37.5 a ho 40 .. 150-np series
page 11/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com pcb footprint in mm. general tolerance 0.3 mm) (layout example with 4 jumpers in // assembly on pcb ? recommended pcb hole diameter 2.15 mm for primary pin 0.9 mm for secondary pin ? maximum pcb thickness 2.4 mm ? wave soldering profle maximum 260 c, 10 s no clean process only insulation distance (nominal values): safety this transducer must be used in limited-energy secondary circuits according to iec 61010-1. this transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturers operating instructions. caution, risk of electrical shock. when operating the transducer, certain parts of the module can carry hazardous voltage (e.g. primary bus bar, power supply). ignoring this warning can lead to injury and/or cause serious damage. this transducer is a build-in device, whose conducting parts must be inaccessible after installation. a protective housing or additional shield could be used. main supply must be able to be disconnected. d cp d ci on pcb: a - b 11.65 mm - between jumper and secondary terminal 13.08 mm 13.65 mm between core and pcba 13.56 mm - ho 40 .. 150-np series
page 12/12 25july2014/version 1 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com dimensions ho-np series (mm, general linear tolerance 0.3 mm) remark: v out is positive with respect to v ref when positive i p fows in direction of the arrow shown on the drawing above. v ref v out u c i p connection ho 40 .. 150-np series

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