CDS4006ABA quick reference guide symbol parameter min. typ. max. unit v cc supply voltage 4.75 5 5.25 v i pn primary nominal current (rms) - - 6 a i pr primary measuring range 1) -18 - +18 a overall accuracy 2) - 0.8 1.3 % of i pn f co upper cut-off frequency (-1 db) 100 150 200 khz t b busbar temperature 3) -25 - +100 c t amb ambient temperature 3) -25 - +85 c = g + off + lin 1) 2) 3) with v cc = 5 v and t amb = 25 c. operating condition. for 1 s in a 60 s interval; r m = 300 ? . product description package delivery type CDS4006ABA tht demoboar d tray cdk4006aba pocketbox product overview standard status en 61800-5-1: 2003 approved iec 62103 approved ul508c pending din en 50178 approved name adjustable speed electrical power drive systems electronic equipment for use in power installations electronic equipment for use in power installations power conversion equipment qualification overview model cds4006 current sensors current sensors magnetoresistive current sensor (i pn = 6a) preliminary data sheet 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 description the cds4000 current sensor family is designed for highly dynamic electronic measurement of dc, ac, pulsed and mixed currents with integrated galvanic isolation. the magnetoresistive technology enables an excellent dynamic response without the hysteresis that is present in iron core based designs. the system accuracy can be improved by using either the internal or an external reference voltage. this further reduces temperature drift and several sensors can share the same reference voltage. the adjustable overcurrent detection enables a fast response in overload situations to prevent damage to the power units. the cds4000 product family offers pcb-mountable tht current sensors from 3 a up to 150 a nominal current for industrial applications. ? based on the anisotropic magneto resistive (amr) effect ? galvanic isolation between primary and measurement circuit ? single 5v power supply ? adjustable overcurrent detection ? excellent accuracy ? low temperature drift ? very small size ? highly dynamic response ? external reference possible ? low primary inductance ? negligible hysteresis ? solar power converters ? ac variable speed drives ? converters for dc motor drives ? uninterruptible power supplies ? switched mode power supplies ? power supplies for welding applications advantages features applications rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) electrical data t amb = 25 c; v cc = 5 v; unless otherwise specified. symbol parameter conditions min. typ. max. unit i pn primary nominal current (rms) - - 6 a i pr measuring range 1) -18 - +18 a i pm maximum primary peak current (abs) 2) - - 60 a i outn nominal output current (rms) i p = i pn - 2 - ma i outm maximum output current (abs) 1) i p = 3 i pn - - 6 ma r m burden resistor for output signal 3) 100 300 1000 ? r p resistance of primary conductor 6 8 10 m ? v cc supply voltage 4.75 5 5.25 v i q quiescent current i p = 0 - 25 30 ma v out maximum output voltage range 4) 0.625 - 4.375 v v refout reference voltage output v refin connected to gnd 2.49 2.5 2.51 v v refin reference voltage input 1.5 2.5 2.6 v g v voltage gain r m = 300 ? - 100 - mv/a g i current gain - 1/3 - ma/a i l maximum additional load v refout ? v refout 10 mv - - 1 ma i cn nominal current consumption i p = i pn - 50 60 ma i cm maximum current consumption - 105 150 ma symbol parameter min. max. unit v cc supply voltage -0.3 +7 v i pm maximum primary current 5) - 60 a t amb ambient temperature -40 +130 c t stg storage temperature tbd. tbd. c in accordance with the absolute maximum rating system (iec60134). t b busbar temperature tbd. tbd. c absolute maximum ratings stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the de- vice at these or any other condi- tions beyond those indicated in the operational sections of this specifi- cation is not implied. exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. 1) 2) output voltage is scaled by changing r m but not beyond these limits. 3) for 3 ms in a 100 ms interval. r m > 300 ? : reduces i pr but increases g v . for 1 s in a 60 s interval; r m = 300 ? . 4) 5) for 3 ms in a 100 ms interval. qualifications symbol parameter conditions min. typ. max. unit v i isolation test voltage (rms) 50/60 hz, 60 s - 3 - kv v imp impulse withstand voltage 1.2/50 s - 6 - kv v pde partial discharge extinction voltage 1 - - kv d cp creepage distance - 15 - mm d cl clearance distance - 15 - mm cti comparative tracking index - 600 - - 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) accuracy t amb = 25 c; v cc = 5 v; unless otherwise specified. symbol parameter conditions min. typ. max. unit overall accuracy 1) i p i pn - 0.8 1.3 % of i pn g gain error i p i pn - 0.3 0.5 % of i pn off offset error i p = 0 - 0.3 0.5 % of i pn lin linearity error i p i pn - 0.2 0.3 % of 2i pn vrefint internal reference error -10 0 +10 mv t g maximum temperature induced gain error t b = (-25?+85)c -1 0 +1 % of i pn t off maximum temperature induced offset error t b = (-25?+85)c -1 0 +1 % of i pn t lin maximum temperature induced linearity error t b = (-25?+85)c - 0 0.1 % of 2i pn t vrefint maximum temperature induced error of internal reference t b = (-25?+85)c -0.6 0 +0.6 % of v refout psrr power supply rejection rate - 40 30 db n noise level (rms) f < 300 khz - 1.7 - a vrefext external reference error 2) v refin = 1.5 to 2.6 v -3 0 +3 mv t vrefext maximum temperature induced error of external reference t b = (-25?+85)c -0.1 0 +0.1 % of v refout hys hysteresis 3) - - - % of i pn dynamical data t amb = 25 c; v cc = 5 v; unless otherwise specified. symbol parameter conditions min. typ. max. unit t ra reaction time 4) 10% i pn to 10% i out - 650 - ns t r response time 4) 90% i pn to 90% i out - 850 - ns f co upper cut-off frequency -1 db 100 150 200 khz fig.1: definition of reaction (t ra ) and response time (t r ). vrefext = v refin - v refout 1) 2) 3) = g + off + lin residual voltage after 3 i pn dc. hysteresis is smaller than noise level n. 4) i p = i pn with di/dt of 6 a/s. see fig.1. notes i [%] t 100 90 10 i pn i out t r t ra 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) overcurrent detection (ovc) related data the cds4006 current sensor offers with ovc a digital com- parator output to signal primary current overloads. the output is pulled low when a user defined critical current value is exceeded. the overcurrent de- tection is adjustable for both threshold voltage and delay time. the ovc output is an open collector output with inter- nal 10 k ? pull up resistor. a maximum of 3 cds (for 3- phase-detection) can be con- nected in parallel as a wired-or signal. t amb = 25 c; v cc = 5 v; unless otherwise specified. symbol parameter conditions min. typ. max. unit v ovch overcurrent output high level 4.5 - 5 v v ovcl overcurrent output low level 0 - 0.7 v v set threshold input 0.625 - 2.5 v ovcvset error of ovc threshold r m = 300 ? , i p = i pn -3 - +3 % of v out,n ovchys switching hysteresis 7 10 13 mv r d internal pull up resistance 7 10 13 k ? i s maximum current sink at ovc output - - 2 ma fig. 2: response of the overcurrent detection. positive and negative overcurrents will be detected. v t v ref ovc v out v set v ovcl v ovch general data symbol parameter conditions min. typ. max. unit t amb ambient temperature -25 - +85 c t stg storage temperature tbd. - tbd. c t b busbar temperature -25 - +100 c t tht solder temperature for tht version tbd. tbd. tbd. c m mass tbd. tbd. tbd. g 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) cds4006 in tht-housing pin symbol parameter 1 v refout reference voltage output 2 out signal output 3 gnd ground 4 v cc supply voltage 5 v refin external reference voltage input 6 c d overcurrent delay capacitor input 7 ovc overcurrent detection output 8 v set threshold voltage for overcurrent detection 9 i in primary current input 10 i out primary current output pinning dimensions bottom view all dimensions in mm fig.4: package outline of tht-housing. toler ance 0.2 mm unless otherwise specified. fig.3: pinning of CDS4006ABA-ia. 8 7 6 5 4 3 2 1 9 10 top view 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) application circuit fig.5: top: example of how to use the internal reference voltage. bottom: circuit with external reference voltage at v refin (pin 5). 1) with 2.5 k ? < (r 1 + r 2 ) < 25 k ? . 2) t d 0.5 s + c d (pf) 50 pf in the above fig.7 the potential divider with r 1 and r 2 on pin 8 (v set ) is used to adjust the threshold for the overcurrent detection. notes the overcurrent delay time is adjustable with the capacitor c d on pin 6. without c d the delay time has its minimum value. the minimum delay time is achieved by not using a capacity c d (not connected on ground). s 3) r m > 300 ? : reduces i pr but increases g v . 4) v out is positive, if i p flows from pin 9 ?i in ? to pin10 ?i out ?. 1) 1) 2) 2) 3) 3) 4) 4) 1.5 ? 2.6 v the overcurrent threshold is set by applying a voltage to pin 8 (v set ) according to the formula: i oc = v refout - v set r m g i r 1 + r 2 i oc 1 - v refout r m g i 5) v cc should always be buffered with a capacity of at least 100 nf. 5) 5) example: v refout = 2.5 v; r m = 300 ? ; i oc = 12 a v set = 1.3 v top view r 2 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) fig.6: example of how to use an operational amplif ier to adjust the output signal to an a/d converter. with r m = 300 ? and r 3 = 410 ? , the output signal is amplified to a full scale output of 4.92 v. application circuit pcb layout fig.7: recommended pcb layout for the cds4006 sensor. ? the minimum clearance to other magnetic devices (for example: relay, current c onductors and permanent mag- nets) depends on the strength of their magnetic field. homogeneous fields should be below 1 ka/m and mag- netic field gradients should be lower then 4 ka/m2. a conductor carrying 1 a produces a magnetic field of 20 a/m and a magnetic field gradient of 2.5 ka/m2 at a distance of 8 mm. ? the maximum operating temperature is primarily limited by the busbar tem perature. care must be taken to keep the busbar temperature below 100 c. ? it is recommended to place multiple cds4006 sensors wi th a clearance (a) of at least 10 mm. a smaller dis- tance will only influence the offset. cross-talk is not relevant. the current paths in the pcb however may not be routed underneath a cds4000 sensor. a a a a a: clearance additional notes for the designer top view top view 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) typical performance graphs t fig.9: typical frequency response. 4 3 2 ) (db 1 ude 0 itampl -1 -2 -3 -4 1 10 100 1,000 10,000 100,000 1,000,000 frequency (hz) dc 1 > t 1) ch 1: 2 a 1 us 2) ch 2: 200 mvolt 1 us 2 > 2 fig.8: typical output characteristic due to a current jump from 0 to i pn . input di/dt 60 a/s. ch2 ch1 ch 1: 2 a, 1 s ch 2: 200 mv, 1 s 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) the cds4000 product family the cds4006 is a member of the cds4000 product family offering pcb-mountable tht current sensors from 3 a up to 150 a nominal current for various industrial applications. product i pn (a) i pr (a) package cds4003aba-ix 3 9 CDS4006ABA-ix 6 18 cds4010aba-ix 10 30 cds4015aba-ix 15 45 cds4025aba-ix 25 75 cds4050aba-ix 50 150 cds4050aca-ix 50 150 cds4100aca-ix 100 300 cds4125aca-ix 125 375 cds4150aca-ix 150 450 i pn : nominal primary current (rms) . i pr : measurement range (for 1 s in a 60 s interval; r m = 300 ? ) . 6120 hanging moss road ? orlando, florida 32807 ? www.fwbell.com phone (407) 678-6900 ? fax (407) 677-5765 ? toll free (800) 778-6117 rev. date 7/21/08
cds4006 magnetoresistive current sensor (i pn = 6 a) life critical applications right to make changes application information general information product status sypris test & measurement 6120 hanging moss road orlando, fl 32807 phone (407) 678-6900 fax (407) 677-5765 toll free (800) 778-6117 www.sypris.com copyright ? 2008 by sypris all rights reserved. no part of this document may be copied or reproduced in any form or by any means without the prior written agreement of the copyright owner. the information in this document is subject to change without notice. sypris does not assume any liability for any consequence of its use. sypris reserves the right to make changes, without notice, in the products, including software, described or contained herein in order to improve design and/or performance. sypris assumes no responsibility or liability for the use of any of these products. applications that are described herein for any of these products are for illustrative purposes only. sypris make no representation o r wa r ran t y t h a t s u ch a p p l i c a t i o n s will be suitable for the specified use without further testing or modification. these products are not qualified for use in life support appliances, aeronautical applications or devices or systems where malfunction of these products can reasonably be expected to result in personal injury. the product is undergoing qualification tests. deliverables have a sample status at this time. the data-sheet is preliminary. note: the status of the product may have changed since this data sheet was published. the latest information is available on the internet at www.sypris.com. e-mail sales.stm@sypris.com www.fwbell.com rev. date 7/21/08
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