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this is information on a product in full production. for further information contact your local stmicroelectronics sales office. september 2012 doc id 023675 rev 1 1/12 12 EVAL6480H high power stepper motor driver mounting the l6480 data brief features voltage range from 10.5 v to 85 v low r ds(on) mosfets in dpak package spi with daisy chain feature flag and busy led indicators adjustable supply voltage compensation flexible supply voltage management suitable for use in combination with the steval-pcc009v2 applications high power bipolar stepper motor driving description the EVAL6480H demonstration board is a high power microstepping motor driver. in combination with the steval-pcc009v2 communication board and the evaluation software, the board allows the user to investigate all the features of the l6480 device. in particular, the board can be used to check the voltage mode driving and to regulate the l6480 parameters in order to fit the application requirements. the EVAL6480H supports the daisy chain configuration making it suitable for the evaluation of the l6480 in multi-motor applications. www.st.com
board description EVAL6480H 2/12 doc id 023675 rev 1 1 board description figure 1. jumper and connector location table 1. EVAL6480H electrical specifications parameter value supply voltage (vs) 10.5 to 85 v maximum output current (each phase) 25 a r.m.s. at 25 c (1) 1. refer to std25f10 datasheet for details. external mosfet r ds(on) 33 m ? typical at 25 c (1) gate driver supply voltage (vcc) 7.5 v to 15 v logic supply voltage 3.3 v logic interface supply voltage 3.3 v or 5 v low level logic inputs 0 v high level logic input vdd (2) 2. all logic inputs are 5 v tolerant. operating temperature -25 c to +125 c flag led su pply m a n a gement j u mper s ph as e a connector ph as e b connector m as ter s pi connector applic a tion a re a s l a ve s pi connector extern a l s witch connector ( s w inp u t) motor su pply volt a ge compen sa tion reg u l a tion (adcin inp u t) power su pply connector (10.5 v - 8 5 v) su pply m a n a gement connector (v s , v s reg, vccreg a nd gnd) bu s y led am14 8 74v1
EVAL6480H board description doc id 023675 rev 1 3/12 table 2. jumper and connector description name type function j5 power supply main supply voltage j7 power output power bridge a outputs j8 power output power bridge b outputs j6 power supply integrated voltage regulator inputs j3 spi master spi connector j4 spi slave spi connector jp1 jumper vs to vsreg jumper jp2 jumper vsreg to vcc jumper jp3 jumper vcc to vccreg jumper jp4 jumper vccreg to vreg jumper jp5 jumper vreg to vdd jumper jp6 jumper vdd to 3.3 v from spi connector jump jp7 jumper daisy chain termination jumper jp8 jumper stby to vs pull-up jumper tp8 (busy/sync) jumper busy/sync output test point table 3. master spi connector pinout (j3) pin number type description 1 open drain output l6480 busy output 2 open drain output l6480 flag output 3 ground ground 4 supply ext_vdd (can be used as external logic power supply) 5 digital output spi master in slave out signal (connected to the l6480 sdo output through daisy chain termination jumper jp7) 6 digital input spi serial clock signal (connected to l6480 ck input) 7 digital input spi master out slave in signal (connected to l6480 sdi input) 8 digital input spi slave select signal (connected to l6480 cs input) 9 digital input l6480 step-clock input 10 digital input l6480 standby/reset input table 4. slave spi connector pinout (j4) pin number type description 1 open drain output l6480 busy output 2 open drain output l6480 flag output
board description EVAL6480H 4/12 doc id 023675 rev 1 3 ground ground 4 supply ext_vdd (can be used as external logic power supply) 5 digital output spi master in slave out signal (connected to pin 5 of j3) 6 digital input spi serial clock signal (connected to l6480 ck input) 7 digital input spi master out slave in signal (connected to l6480 sdo output) 8 digital input spi slave select signal (connected to l6480 cs input) 9 digital input l6480 step-clock input 10 digital input l6480 standby/reset input table 4. slave spi connector pinout (j4) (continued) pin number type description
EVAL6480H board description doc id 023675 rev 1 5/12 figure 2. EVAL6480H schematic part 1/2 s pi_in s pi_out applic a tion reference o s c in o s c o ut s t ck nc s c k s d i s d o bu s y f la g n c s ck s d i bu s y bu s y f lag fl ag nc s ck s do s t by _re s et s t by_re s et s t ck s t c k f la g bu s y adc_ in s tby_ r e s et bu s y s tby_re s e t flag s tck adc_in g_h s _a1 g_l s _a1 g_h s _a2 g_l s _a2 g _h s _b 1 g_h s _b2 g_l s _b2 g_l s _b1 o uta 1 o u t a 2 o u tb1 outb 2 s tby adc_in v s v s _reg vcc vcc_re g vreg vd d 3 v 3 3 v 3 vdd vd d vdd vdd 3 v 3 v s v s _re g vc c vcc_reg vreg vdd adcin 1 c 5 22 u /6v 3 j p1 1 2 vc c 1 s tby 1 u1 l64 8 0 g _l s _a 1 1 ou t _a 1 2 g_ h s _a 1 3 g _l s _a 2 38 out _a 2 3 7 g_ h s _a 2 3 6 o ut_ b 1 1 8 g _l s _b 1 19 o u t_ b 2 21 g _l s _b 2 20 g_ h s _b 1 17 g_ h s _b 2 22 pgnd 2 3 pgnd 3 5 agnd 16 dgnd 2 9 v s 6 pgnd 8 v s _re g 12 vc c 10 vcc_re g 11 vreg 1 3 vboo t 7 cp 9 adc_ in 5 vdd 27 s tb y _re s 3 4 c s 24 s do 2 8 c k 2 5 s di 26 o s c_ in 1 4 o s c_ out 15 s w 3 3 s t ck 3 2 bu s y _ s y nc 3 0 f lag 3 1 gnd 3 9 n. c . 4 gnd 1 jp 3 1 2 c9 47n/100v c2 220n/100v jp2 1 2 j 2 n .m . 1 2 jp7 1 2 r4 470 c 8 100n/100v c1 470 n /25v j 1 n. m . 1 2 vdd 1 v s 1 r1 10 0 c1 3 10n/ 6v 3 jp5 1 2 vreg 1 r 3 3 9 k bu s y 1 c12 100p / 6v 3 c7 470n / 25v j 3 1 2 3 4 5 6 7 8 9 10 j4 1 2 3 4 5 6 7 8 9 1 0 jp4 1 2 jp6 1 2 c6 100n / 25 v s tck 1 c10 10n/6v 3 r 2 3 9 k d 1 bav9 1 2 3 dl1 led - amber 2 1 r5 470 c4 100n/4v c 3 100n / 6v 3 dl2 led - red 2 1 flag 1 am14 8 75v1
board description EVAL6480H 6/12 doc id 023675 rev 1 figure 3. EVAL6480H schematic part 2/2 option v s v s _reg vcc_reg gnd outa 12 outb 12 gnd v s applic a tion referenc e g _h s _b2 g _l s _b2 g _h s _b1 g_l s _b 1 g _h s _a1 g _l s _a1 g_ h s _a2 g_l s _a2 outa1 outa2 outb1 outb2 s t by adc_ in v s v s v s _reg vcc_reg v s v s v s _reg v s vdd v s v s j p 8 1 2 q 1 s td25nf10 1 4 3 q4 s td25nf10 1 4 3 c15 220 n /100v d2 bzx 5 8 5- b 3 v 3 q5 s t d25nf1 0 1 4 3 j 8 1 2 + c11a 220 u /100v q 8 s td25nf10 1 4 3 q2 s td25nf1 0 1 4 3 c14 220n / 100v j 6 n. m. 1 2 3 4 r 9 n. m . + c11 220 u /1 0 0 v r7 100k/0.125w q6 s t d25nf 10 1 4 3 r 6 100 k / 0.125w j5 1 2 r 8 50 k/0.125w 1 3 2 q 3 s td25nf10 1 4 3 j7 1 2 q7 s t d25nf10 1 4 3 d 3 b zx5 8 5 - b 3 v6 am14 88 0v1
EVAL6480H board description doc id 023675 rev 1 7/12 table 5. EVAL6480H - bill of material item quantity reference value package 19 vs, vreg, vdd, vcc, stck, stby, flag, busy, adcin tpth-ring-1mm (red) tpth-ring-1mm 2 2 c1,c7 470 nf/25 v capc-0603 3 1 c2 220 nf/100 v capc-0805 4 1 c3 100 nf/6.3 v capc-0603 5 1 c4 100 nf/4 v capc-0603 6 1 c5 22 f/6.3 v capc-1206 7 1 c6 100 nf/25 v capc-0603 8 1 c8 100 nf/100 v capc-0603 9 1 c9 47 nf/100 v capc-0805 10 2 c10, c13 10 nf/6.3 v capc-0603 11 1 c11 220 f/100 v capes-r18h17 12 1 c11a 220 f/100 v cape-r16h21-p75 13 1 c12 100 pf/6.3 v capc-0603 14 1 dl1 led amber ledc-0805 15 1 dl2 led red ledc-0805 16 1 d1 bav99 sot-23 17 1 d2 bzx585-b3v3 sod523 18 1 d3 bzx585-b3v6 sod523 19 1 gnd tpth-ring-1mm (black) tpth-ring-1mm 20 5 jp1, jp3, jp5, jp7, jp8 jumper closed jp2so 21 3 jp2, jp4, jp6 jumper open jp2so 22 2 j1, j2 n.m. strip254p-m-2 23 1 j3 pol. idc male header vertical 10 poles (black) con-flat-5x2-180m 24 1 j4 pol. idc male header vertical 10 poles (gray) con-flat-5x2-180m 25 3 j5, j7, j8 screw connector 2 poles morsv-508-2p 26 1 j6 n.m. strip254p-m-4 27 8 q1, q2, q3, q4, q5, q6, q7, q8 std25nf10 dpak 28 1 r1 100 ? resc-0603 29 2 r2, r3 39 k ? resc-0603 30 2 r4, r5 470 ? resc-0603
board description EVAL6480H 8/12 doc id 023675 rev 1 figure 4. EVAL6480H - layout (top layer) 31 2 r6, r7 100 k ? / 0.125 w resc-0603 32 1 r8 33 k ? / 0.125 w trimm-100x50x110- 64w 33 1 r9 n.m. resc-0603 34 1 u1 l6480 htssop050p- 660x110- 38-ep table 5. EVAL6480H - bill of material (continued) item quantity reference value package am14 8 76v1
EVAL6480H board description doc id 023675 rev 1 9/12 figure 5. EVAL6480H - layout (inner layer 2) figure 6. EVAL6480H - layout (inner layer 3) am14 8 77v1 am14 8 7 8 v1
board description EVAL6480H 10/12 doc id 023675 rev 1 figure 7. EVAL6480H - layout (bottom layer ) am14 8 79v1
EVAL6480H revision history doc id 023675 rev 1 11/12 2 revision history table 6. document revision history date revision changes 14-sep-2012 1 initial release.
EVAL6480H 12/12 doc id 023675 rev 1 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by two authorized st representatives, st products are not recommended, authorized or warranted for use in military, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or register ed trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2012 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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