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for further information contact your local stmicroelectronics sales office. june 2013 docid023042 rev 2 1/12 EVAL6206Q dual full bridge with programmable overcurrent data brief features ? voltage range from 8 to 52 v ? phase current up to 2.5 a r.m.s. ? adjustable overcurrent threshold ? logic inputs 5 v / 3.3 v compliant ? small application footprint with high thermal performance ? suitable for use in combination with practispin? 2 software description the EVAL6206Q demonstration board allows the user to test the l6206q functions. the dual full bridges integrated into the l6206q device can be used to drive a single 2-phase stepper motor or up to four dc motors (unidirectional). the bridges can also operate in parallel mode. the board can be driven using the steval-pcc009v2 demonstration board and the practispin 2 evaluation software. am11895v1 www.st.com
contents EVAL6206Q 2/12 docid023042 rev 2 contents 1 board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 overcurrent threshold regulati on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
docid023042 rev 2 3/12 EVAL6206Q board description 12 1 board description figure 1. trimmer and connector locations table 1. electrical specifications parameter value supply voltage (vs) 8 to 52 v maximum output current (each phase) 2.5 a r.m.s. low level logic input voltage 0 v high level logic input voltage 5 v / 3.3 v (1) switching frequency up to 100 khz operating temperature - 25 to +125 c l6206q thermal resistance junction-to-ambient 17 c/w 1. logic inputs are 3.3 v and 5 v compliant. p phase a connector current sensing connector phase b connector ower supply connector (8 v - 52 v) c j7 and j8 j3 and j4: ocdx to enx pin connection ontrol board connector ocd theshold regulation through control board. closed - open - ocd threshold regulation through r13 and r15 resistors (not mounted) am11896v1
board description EVAL6206Q 4/12 docid023042 rev 2 table 2. control board connector pinout (j2) pin type function 2 ground ground 3 logic input input in1a of l6206q 4 logic input input in2a of l6206q 5 logic input input in1b of l6206q 6 logic input input in2b of l6206q 11 analog input overcurrent threshold regulation for a bridge 12 analog input overcurrent threshold regulation for b bridge 13 ground ground 14 supply voltage 3.3 v supply voltage 16 logic input input ena of l6206q 23 ground ground 24 analog output board ident ification system id0 25 analog output board ident ification system id1 27 logic output fault output for a bridge (ocda output of l6206q) 28 ground ground 29 logic output fault output for b bridge (ocdb output of l6206q) 30 logic input input enb of l6206q others unconnected table 3. current sensing connector (j9) pin type function 1 ground ground 2 analog output sensea pin of l6206q (1) 1. the r22/23 resistor and c12/13 capacitor must be added when output is used. the value of the rc network should be chosen according to the target low-pass frequency of the filter. 3 analog output senseb pin of l6206q (1) 4 ground ground
docid023042 rev 2 5/12 EVAL6206Q schematic 12 2 schematic figure 2. schematic $ssolfdwlrquhihuhqfh 99 96 *1' 287$ 287$ 287% 287% 616$ 616% 96 *1' *1' 37+237,21 6(16($ 6(16(% ,1$ ,1$ ,1% ,1% (1$ (1% ,1$ ,1$ ,1% ,1% 2&'$ 2&'% (1$ (1% 6(16(% 6(16($ ,' ,' ,' 2&'$ 2&'% ,' 96 96 9 9 9 96 & q)9 5 5 10 & q)9 8 /4 287$ 287$ 287% 287% *1' *1' 96% 96% 96$ 96$ 9%227 (3$' ,1% ,1% (1% (1$ ,1$ ,1$ 616$ 616$ 616% 616% 287% 287% 287$ 287$ 9&3 2&'$ 2&'% 352*&/% 352*&/$ 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& - ' %$9 5 & q)9 5 5 10 - & 5 5 & q)9 5 5 - & q)9 5 - - & q)9 & q)9 5 - 5 - 5 10 51$ - 5 5 10 & 10 & q)9 &$ 237,21 5 5 10 5 5 51' 5 5 5 & q)9 51& 5 - 51% & 10 & q)9 $0y
bill of material EVAL6206Q 6/12 docid023042 rev 2 3 bill of material table 4. bill of material index quantity reference value package 1 1 c1 220 nf / 16 v capc-0603 2 1 c2 100 f / 63 v capes-r10hxx 3 1 c2a 100 f / 63 v (option) cape-r8h12-p35 4 2 c3, c5 100 nf / 4 v capc-0603 5 2 c4, c6 100 nf / 100 v capc-0805 6 1 c7 10 nf / 100 v capc-0805 7 2 c8, c9 5.6 nf / 6.3 v capc-0603 8 2 c10, c11 68 nf / 6.3 v capc-0603 9 2 c12, c13 nm capc-0603 10 1 d1 bav99 sot-23 11 3 j1, j5, j6 screw connector 2 poles morsv-508-2p 12 1 j2 pol. idc male header vertical 30 poles con-flat-15x2-180m 13 4 j3, j4, j7, j8 jumper - close jp2so 14 1 j9 nm strip254p-m-4 15 1 rn1 56 k ? resn-cay16 16 5 r1, r13, r15, r22, r23 nm resc-0603 17 1 r2 10 k ? / 1% resc-0603 18 1 r3 0 ? resc-0603 19 1 r4 14 k ?? / 1% resc-0603 20 1 r5 100 ? resc-0603 21 2 r6, r7 100 k ? resc-0603 22 2 r8, r17 10 k ? resc-0603 23 2 r9, r12 1.5 k ? resc-0603 24 2 r10, r14 12 k ? resc-0603 25 2 r11, r16 5.6 k ? resc-0603 26 4 r18, r19, r20, r21 0 ? / 1 w resc-2512 27 1 tp1 tpth-ring-1mm red th 28 2 tp2,tp3 tpth-ring-1mm black th 29 1 u1 l6206q qfn (7x7_48)
docid023042 rev 2 7/12 EVAL6206Q layout 12 4 layout figure 3. layout (silk screen) figure 4. layout (top layer) am11898v1 am11899v1
layout EVAL6206Q 8/12 docid023042 rev 2 figure 5. layout (inner layer 2) figure 6. layout (inner layer 3) am11900v1 am11901v1
docid023042 rev 2 9/12 EVAL6206Q layout 12 figure 7. layout (bottom layer) am11902v1
overcurrent threshold regulation EVAL6206Q 10/12 docid023042 rev 2 5 overcurrent threshold regulation figure 8. overcurrent threshold regulation
docid023042 rev 2 11/12 EVAL6206Q revision history 12 6 revision history table 5. document revision history date revision changes 03-apr-2012 1 initial release. 07-jun-2013 2 updated description on page 1 (replaced ?communication board? by ?demonstration board?). added contents on page 2. added titles to section 2: schematic to section 5: overcurrent threshold regulation . updated table 1 (added value and unit to ?thermal resistance junction-to-ambient?, removed superfluous ?EVAL6206Q? from title). updated figure 2 (removed ?EVAL6206Q? from title, completed units, minor modifications). updated table 4 (removed ?EVAL6206Q? from title, corrected unit in row 26). updated figure 3 to figure 7 (removed ?EVAL6206Q? from titles). minor corrections throughout document.
EVAL6206Q 12/12 docid023042 rev 2 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 parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not authorized for use in weapons. nor are st products designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ?automotive, automotive safety or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. 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 registered 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. ? 2013 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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