for further information contact your local stmicroelectronics sales office. may 2014 docid024374 rev 2 1/10 STEVAL385LED4CH 200 w, digital 4-led channe ls demonstration board with stlux385a-controlled curre nt regulation and dimming data brief features ? based on the stlux385a digital controller ? up to 200 w ? 4 led channels ? adjustable led current and dimming ? adaptive voltage compensation ? real-time fault detection and protection (e.g: short or open circuit) ? serial interface ? dali (optional) description the STEVAL385LED4CH demonstration board is a complete and configurable solution to manage four independent high-brightness led channels using the stlux385a digital controller. the stlux385a is a part of the stmicroelectronics ? stlux? product family and embeds advanced peripherals tailored to generate high resolution pwm signals (smed). the STEVAL385LED4CH device implements inversed buck topology to drive each led channel. the smed technology integrated in the stlux385a device regulates the led current, exploiting the fixed-off-time (fot) principle. each channel can output current in the range of 250 ma to 1 a. the number of leds, the current and the pwm dimming working point can be set through the command interpreter, accessible via the serial interface. dimming can also be manually adjusted via the three on-board buttons. the demonstration board can be optionally controlled via a dali interface. the dali connection board is available separately (part number steval-ilm001v1). the stlux385a dali software drivers and application firmware are available. this demonstration board is available also with an order code steval-ill057v1. www.st.com
board description STEVAL385LED4CH 2/10 docid024374 rev 2 1 board description figure 1. jumper and connector location table 1. connector pinout name function power in (j9) input power connection. range: 12 - 48 v. dali dali connector. compatible with steval-ilm001v1 demonstration board. uart serial link. connector: jack mono 3.5 mm the uart cable is provided with the demonstration board. swim swim interface. ch0 (j6) led string connector, channel 0. ch1 (j8) led string connector, channel 1. ch2 (j5) led string connector, channel 2. ch3 (j7) led string connector, channel 3. $ 0 9
docid024374 rev 2 3/10 STEVAL385LED4CH board description 10 figure 2. STEVAL385LED4CH - schematic 1 of 3 8 6 7 0 / 8 ; 9 ' ' , 2 9 ' ' $ 9 2 8 7 * 1 ' , 2 * 1 ' $ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 3 : 0 > @ * 3 , 2 > @ 8 $ 5 7 b 7 ; * 3 , 2 > @ 8 $ 5 7 b 5 ; * 3 , 2 > @ , & b v g d + 6 ( 2 v f 2 x w * 3 , 2 > @ , & b v f o + 6 ( 2 v f , q * 3 , 2 > @ ' $ / , b w [ * 3 , 2 > @ ' $ / , b u [ 1 5 6 7 6 : , 0 $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ $ ' & , 1 > @ & 3 3 > @ & 3 3 > @ & 0 3 & 3 3 > @ & 3 3 > @ ' , * , 1 > @ & & 2 b f o n ' , * , 1 > @ ' , * , 1 > @ ' , * , 1 > @ ' , * , 1 > @ ' , * , 1 > @ - ' $ / , , ) 8 $ 5 7 b 7 ; 8 $ 5 7 b 5 ; 5 5 + 6 ( 0 + ] & 3 3 w r p r q l w r u / ( ' f k d l q f x u u h q w * 1 ' 6 w d w x v & & 2 r x w s x w w r 7 3 w h v w s x u s r v h 3 5 ( 6 ( 7 9 & & 5 . ' ) $ 8 / 7 5 h p r y h 5 z k h q x v h ' $ / , , ) ' 5 8 1 ' $ / , b 7 ; ' $ / , b 5 ; ' $ / , , ) x v l q j 6 7 ( 9 $ / , / 0 9 ; 0 + ] 1 0 & s 1 0 . ( < b ' $ / , 5 . & s 1 0 / : ( & % ) . ( < b ' $ / , * 1 ' * 1 ' * 1 ' * 1 ' ' , * 5 ( ' & x ) * 1 ' 5 5 9 & & 5 5 6 : , 0 * 1 ' 5 5 5 ( 6 q & q ) * 1 ' * 5 ( ( 1 9 & & / : ( & % ) 5 6 9 & & $ & q ) * 1 ' / : ( & % ) * 1 ' / : ( & % ) 9 & & $ 9 & & 5 . 5 . / : ( & % ) 5 . 1 h d u w k h s r z h u s l q - ' , 0 0 , 1 * 9 * 1 ' 6 : , 0 , ) 5 . & q ) * 1 ' 3 : 0 7 3 * 1 ' 5 ( 6 q 3 : 0 9 5 ( * b 9 & & / h g & k d l q / h g & k d l q 3 : 0 3 : 0 3 : 0 3 : 0 & 3 3 & 3 3 & 3 3 & 3 3 / ( ' b 3 : 9 / ( ' 9 / ( ' 9 / ( ' 9 / ( ' ' , * ' , * ' , * ' , * 3 : 0 3 : 0 3 : 0 3 : 0 3 : 0 3 : 0 3 : 0 3 : 0 3 r z h u 3 r z h u $ ' & , 1 / ( ' b 3 : ' , * ' , * ' , * ' , * 3 : 0 & 3 3 & 3 3 ' , * ' , * ' , * & 3 3 & 3 3 5 . - 8 $ 5 7 , ) 8 $ 5 7 b 7 ; 8 $ 5 7 b 5 ; & 3 3 & 3 3 * 1 ' & 3 3 & 3 3 5 . 5 . - $ ' & , 1 8 $ 5 7 b 7 ; * 1 ' 8 $ 5 7 b 5 ; $ ' & , 1 / ' b 3 : & x ) 9 7 3 8 6 % w r 8 $ 5 7 7 7 / 9 1 2 7 8 6 ( ' - 6 : , 0 , ) 5 . 5 . 1 0 * 1 ' 9 & & 5 . 1 0 9 & & 6 : , 0 7 3 * 1 ' & q ) & q ) * 1 ' 7 3 * 1 ' 7 3 9 & & l v 9 9 & & 5 . $ o o 7 3 l v d 6 0 ' 7 h v w 3 r l q w 5 . * 1 ' 5 . * 1 ' 6 3 6 3 7 3 7 3 9 . ( < ( [ f h s w 7 3 r q * 1 ' d q g 3 2 : ( 5 9 . ( < 7 3 7 3 7 3 6 3 6 3 5 5 9 & & 5 5 3 / ( ' & + 6 ( / 3 , 1 & & q ) * 1 ' 3 ' ( & * 1 ' * 1 ' * 1 ' * 1 ' * 1 ' * 1 ' 7 3 7 3 7 3 9 & & 9 / ( ' 9 / ( ' 9 / ( ' 9 / ( ' * 1 ' 7 3 ' $ / , b 5 ; ' $ / , b 7 ; 9 / ( ' 9 / ( ' 9 / ( ' 9 / ( ' $ 0 9
board description STEVAL385LED4CH 4/10 docid024374 rev 2 figure 3. STEVAL385LED4CH - schematic 2 of 3 $ 0 9 & 3 3 4 6 7 1 1 ) / ' 6 7 3 6 = 5 6 * 1 ' * $ 7 ( b 3 : 0 & q ) 9 4 1 5 1 0 5 5 : 9 / ( ' 9 / ( ' * 1 ' 5 . & q ) * 1 ' 9 ' b / ( ' b 3 : 5 5 - & + 9 & & $ 5 . 9 / ( ' 5 . 5 . ' 6 7 3 6 + $ 5 6 * 1 ' * 1 ' 5 . ' 6 7 3 6 + $ 5 6 * 1 ' 9 / ( ' & x ) 9 * 1 ' * 1 ' 5 5 3 : 0 5 5 & q ) 3 : 0 * 1 ' ' / / 5 1 0 * 1 ' 9 / ( ' & x w ) u h t . + ] * 1 ' ' , * ' 6 7 3 6 + $ 5 6 * 1 ' 9 & & $ & 3 3 5 5 * 1 ' 5 1 0 9 & & $ & q ) p $ v w h s * 1 ' 5 5 4 1 9 & & $ 3 : 0 * $ 7 ( b 3 : 0 5 1 0 & x ) 9 4 6 7 1 1 ) / & 3 3 7 3 * 1 ' * 1 ' / x + $ v d w * 1 ' * 1 ' & q ) * 1 ' 8 3 0 ( 1 3 : 0 * 1 ' 3 : 0 2 8 7 9 & & 2 8 7 ( 1 9 / ( ' 7 5 $ & . + l j k l p s h g h q f h s u r w h f w w r 6 : f x u u h q w 8 / 0 9 , / 7 3 : 0 / ( ' b 3 : ' , * - & + 9 / ( ' & q ) * 1 ' 8 3 0 ( 1 3 : 0 * 1 ' 3 : 0 2 8 7 9 & & 2 8 7 ( 1 & q ) 5 1 0 7 5 $ & . + l j k l p s h g h q f h s u r w h f w w r 6 : f x u u h q w * 1 ' & x ) 9 & 3 3 7 5 $ & . + l j k l p s h g h q f h s u r w h f w w r 6 : f x u u h q w ' / / * $ 7 ( b 3 : 0 5 1 0 3 : 0 * 1 ' 5 . / ( ' b 3 : 5 5 : 5 . * 1 ' 5 . - & + & q ) & x w ) u h t . + ] * 1 ' * 1 ' i u r p p $ w r $ 9 / ( ' 5 1 0 & 3 3 * 1 ' 4 6 7 1 1 ) / / ( ' b 3 : 5 1 0 5 5 : 5 5 : ' 6 7 3 6 = 5 6 i u r p p $ w r $ & q ) p $ v w h s & q ) * $ 7 ( b 3 : 0 & q ) * 1 ' ' 6 7 3 6 + $ 5 6 5 . * $ 7 ( b 3 : 0 & q ) 9 / x + $ v d w * 1 ' * $ 7 ( b 3 : 0 * 1 ' 5 5 : i u r p p $ w r $ 5 1 0 9 ' b & 3 3 5 5 5 1 0 ' 6 7 3 6 = 5 6 9 / ( ' 7 3 & q ) / ( ' b 3 : * 1 ' ' / / * 1 ' * $ 7 ( b 3 : 0 5 . 5 . 4 1 4 1 & x w ) u h t . + ] " " * 1 ' * 1 ' 5 5 ' , * 7 3 & q ) " " * $ 7 ( b 3 : 0 / x + $ v d w * 1 ' * 1 ' 5 5 : 5 5 9 ' b * $ 7 ( b 3 : 0 3 : 0 " " * 1 ' 9 & & $ & q ) & x w ) u h t . + ] * 1 ' 9 / ( ' 8 / 0 9 , / 7 * 1 ' 7 3 * 1 ' 9 & & $ 9 & & $ * $ 7 ( b 3 : 0 & q ) 5 1 0 * 1 ' * $ 7 ( b 3 : 0 5 . ' , * p $ v w h s 8 / 0 9 , / 7 & q ) & q ) 5 1 0 * 1 ' * 1 ' * 1 ' & q ) ' , * 7 3 & q ) 5 1 0 9 / ( ' 5 . 7 5 $ & . + l j k l p s h g h q f h s u r w h f w w r 6 : f x u u h q w / x + $ v d w 4 6 7 1 1 ) / * 1 ' 9 & & $ * 1 ' 5 . * 1 ' * $ 7 ( b 3 : 0 5 5 : * 1 ' 3 : 0 5 . * 1 ' 5 . & 3 3 i u r p p $ w r $ 5 1 0 * 1 ' 9 ' b & q ) 9 ' 6 7 3 6 = 5 6 & q ) 9 9 / ( ' 5 1 0 5 1 0 5 5 : & 3 3 ' , * & x ) 9 - & + 7 3 p $ v w h s ' / / 8 / 0 9 , / 7 3 : 0 ' , * ' , *
docid024374 rev 2 5/10 STEVAL385LED4CH board description 10 figure 4. STEVAL385LED4CH - schematic 3 of 3 $ 0 9 / ( ' b 3 : 5 . $ ' & , 1 9 ' b * 1 ' 9 & & 9 ' b / x + 5 6 $ , v d w r k p & x ) 9 8 / . 0 7 5 5 6 2 8 7 9 , 1 6 + ' 1 * 1 ' % < 3 $ 6 6 * 1 ' * 1 ' ' 6 7 3 6 / 8 5 6 * 1 ' * 1 ' & q ) 5 . & q ) 9 & q ) * 1 ' * 1 ' * 1 ' 9 & & $ & q ) * 1 ' 8 / 0 9 , / 7 ' % = 9 & 9 9 : 5 5 : p $ p d [ 9 r x w s x w 9 $ 3 & % 7 5 $ . & x ) 9 & x ) 9 9 & & $ 9 & & * 1 ' * 1 ' * 1 ' & q ) 9 $ & ' , 1 & q ) * 1 ' 9 & & $ 5 . 5 . * 1 ' 5 1 0 / : ( & % ) 5 6 - & 2 1 1 3 2 / , 8 6 7 6 ' . 1 ' % 2 2 7 ) % 9 , 1 ( 1 ( 1 * 1 ' 6 : 3 * 2 2 ' ( ; 3 b 3 $ ' & s ) & q ) & q ) * 1 ' 5 . & q ) * 1 ' & x ) 9 ( 1 5 . / ( ' b 3 : 5 . / ( ' b 3 :
bill of material STEVAL385LED4CH 6/10 docid024374 rev 2 2 bill of material table 2. STEVAL385LED4CH - bill of material item qty. reference part value decal note 1 2 c1, c4 1 f capc-0603 10 v 2 4 c2, c8, c43, c45 10 nf capc-0603 38 c3, c19, c20, c31, c32, c40, c44, c46 100 nf capc-0603 4 2 c5, c6 12 pf - n. m. capc-0603 not mounted 5 1 c7 4.7 nf capc-0603 6 4 c9, c11, c21, c23 10 nf capc-1206 100 v 7 4 c10, c12, c22, c24 1 f capc-1206 100 v 8 4 c13, c14, c25, c26 1 nf capc-0603 98 c15, c16, c17, c18, c27, c28, c29, c30 10 nf capc-0603 10 6 c33, c38, c42, c47, c48, c49 100 nf capc-0603 25 v 11 2 c34, c37 100 nf capc-1206 100 v 12 1 c35 150 pf capc-0805 25 v 13 1 c36 22 f d250p100 100 v 14 1 c39 150 f capc-7343 16 v 15 1 c41 10 f v-3216 10 v 16 1 c50 47 f cap-axp1000d400 100 v 17 1 d1 fault ledc-0603 18 1 d2 run ledc-0603 19 4 d3, d4, d9, d10 stps2h100a sma 20 4 d5, d6, d11, d12 stps0560z sod123 21 4 d7, d8, d13, d14 ll4148 sod80-st 22 1 d15 bzv85-c51v do41 51 v, 1.3 w 23 1 d16 stps3l60u smb 24 1 j1 swim i/f 4pin-p254 25 1 j2 dali i/f pin2x6p254 26 1 j3 uart i/f - ttl 3pin-p254 27 1 j4 uart i/f jack-3_5- 35rasmt2bhntrx 28 1 j5 ch2 mor-2poli-wago-250-402 29 1 j6 ch0 mor-2poli-wago-250-402 30 1 j7 ch3 mor-2poli-wago-250-402
docid024374 rev 2 7/10 STEVAL385LED4CH bill of material 10 31 1 j8 ch1 mor-2poli-wago-250-402 32 1 j9 conn-2poli mor-2poli-wago-236-402 33 1 j11 dimming 0-10 v 2pin-p254 34 2 l1, l7 we-cbf capc-0603 35 4 l2, l3, l4, l5 470 ? h ds5022p-coilcraft 1.2 a sat 36 1 l6 8.5 ? h ell4gg-panasonic 37 4 l8, l9, l10, l11 we-cbf capc-0603 38 1 p1 reset evqpsm-panasonic 39 1 p2 led ch sel smd-switch-b3fs 40 1 p3 inc smd-switch-b3fs 41 1 p4 dec smd-switch-b3fs 42 4 q1, q2, q5, q6 stn3nf06l sot223 43 4 q3, q4, q7, q8 2n7002 sot23 44 10 r1, r2, r3, r9, r77, r34, r35,r56, r57, r68, r78 0 ? resc-0603 45 1 r4 15 k ? resc-0603 46 1 r5 4.7 k ? resc-0603 47 2 r6, r7 1 k ? resc-0603 48 1 r8 51.1 k ? resc-0603 49 1 r10 3.3 k ? resc-0603 50 1 r11 47 k ? resc-0603 51 2 r12, r73 100 k ? resc-0603 52 1 r13 27 k ? resc-0603 53 8 r14, r15, r16, r17, r32, r33, r54, r55 not mounted resc-0603 not mounted 54 12 r18, r19, r24, r25, r40, r41, 26.1 k ? resc-0603 r46, r47, r67, r69, r72, r75 55 4 r20, r21, r42, r43 10 ? resc-0603 56 4 r22, r23, r44, r45 160 ? resc-0603 57 8 r26, r27, r28, r29, r48, r49, r50,r51 1.8 ? r2512 1 w 1% 58 4 r30, r31, r52, r53 not mounted resc-0805 not mounted 59 6 r36, r37, r58, r59, r70, r76 1.2 k ? resc-0603 60 4 r38, r39, r60, r61 5.1 k ? resc-0603 61 1 r62 10 ? r700diam100 1 w 62 1 r63 18 k ? resc-0805 table 2. STEVAL385LED4CH - bill of material (continued) item qty. reference part value decal note
bill of material STEVAL385LED4CH 8/10 docid024374 rev 2 figure 5. STEVAL385LED4CH - layout (top layer) 63 2 r64, r66 10 k ? resc-0805 64 1 r65 2.7 k ? resc-0805 65 2 r71, r74 100 k ? resc-0603 not mounted 66 1 u1 stmlux38 tssop38 67 2 u2, u3 pm8834 soi8 68 5 u4, u5, u6, u7, u10 lmv321ilt sot23-5l not mounted 69 1 u8 st1s14 so8-ep-9 70 1 u9 lk112m33tr sot23-5l 71 1 x1 16 mhz - n.m. x32-3_2x2_5-mec not mounted table 2. STEVAL385LED4CH - bill of material (continued) item qty. reference part value decal note am13712v1
docid024374 rev 2 9/10 STEVAL385LED4CH revision history 10 3 revision history table 3. document revision history date revision changes 04-apr-2013 1 initial release. 29-may-2014 2 updated section : description on page 1 (replaced ?masterlux ? ? by ?stlux ? ?, added ?this demonstration board is available also with an orde r code steval-ill057v1.? sentence). updated table 2: STEVAL385LED4CH - bill of material on page 6 (updated units, values, minor modifications). minor modifications throughout document.
STEVAL385LED4CH 10/10 docid024374 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 designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems wi th 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. ? 2014 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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