TP16 SCL 17 ~7 19 RTCLK SCL SRC4 SCL DRN3 SRC3 9 OPT 10 11 +5V U4 LTC6900CS5 TP18 GND TP19 GND TP20 GND GND RTCLK TP29 RTCLK GND DRN2 ADDR2 SRC2 ADDR3 DRN1 ADDR4 SRC1 LEDREF 8 12 11 9 8 ADDR3 JP1 10 7 ADDR4 6 5 3 2 ADDR2 1 DIV GND GND TP28 4 1 5 ADDR1 21 20 19 18 17 16 15 14 LED3 XP-E D18 6 6 LED4 XP-E 7 7 LED5 XP-E D19 D20 8 8 LED6 XP-E 9 LED7 XP-E D21 10 LED8 XP-E 9 D22 10 RTCLK TP9 TP30 VIN 3 6 SDA DRN5 SRC5 SCL DRN4 TP1 SCL SRC4 SCL DRN3 2 OPEN CLOSED SRC3 9 10 11 12 +5V D12 13 C42 OPT R72 OPT 0402 DRN6 SRC6 TP2 PMEG4010CEH LED1- R49 0 ADDR1 DRN2 ADDR2 SRC2 ADDR3 DRN1 ADDR4 SRC1 LEDREF JP2 2 2 3 3 4 4 LED9 XP-E LED10 XP-E 5 5 LED11 XP-E 6 6 LED12 XP-E 7 7 LED13 XP-E 8 8 LED14 XP-E 9 9 LED15 XP-E D30 10 10 LED16 XP-E D 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 D23 D24 D25 D26 D27 D28 D29 LED2+ JP4 OPEN CLOSED 2 D13 C59 OPT R73 OPT 0402 PMEG4010CEH C LED2- TP8 RTCLK R50 0 TP14 RTCLK TP23 GND R81 OPT TP31 GND TP21 R82 OPT TP32 GND TP33 GND 3V3 TP34 A2 R34 5.1K 12 13 14 15 16 17 18 19 C C 4 2 1 2 3 4 5 6 7 8 TX_1 RX_0 J9 10 9 8 7 6 5 4 3 2 1 ALERT B DIGITAL(PWM~) TP13 ALERT TP5 ALERT TP17 ALERT TP26 Q1 VN10LF 20 R54 0 0402 RESET D31 YELLOW D14 GREEN A1 R37 5.1K ON +5V R21 1K SHDN R74 OPT 0402 S2 VSW FB +5V C16 22uF 6.3V 1206 X5R 4 2 C18 22pF NPO 1 R23 604k 1% R24 200k 1% 2 9 R48 1K NC L5 33uH TOKO D52LC U6 LT3470AEDDB BIAS 7 RESET NOTE: UNLESS OTHERWISE SPECIFIED X5R C15 1uF 50V 0805 X7R 8 R27 100 SCK R20 1K C14 0.22uF VIN 1 13 +5V R36 ROTARY DIP SWITCH 5.1K ~7 ALERT OPT 1 POWER ~9 3 10 C11 1uF BOOST A0 9 11 6 5 3 GND +5V 8 NC NC 6 S1 PATTERN SELECT ~7 7 Vout 1 3 2 VIN ALERT RTCLK 6 Vin VIN J7 2 A3 A2 A1 A0 5 4 C7 0.1uF GND RESET 13 SCL SDA 4 2 ANALOG IN 6 5 4 3 2 1 2 3 GND J8 ~9 1 3VAREF ~7 ~6 ~5 4 ~3 J6 Bourns Inc. 91A1A‐B28‐A15L 1 R14 10k +5V GND +5V 2 1 U5 LT6656ACS6-3 1 C13 1uF CCW 2 3 CW +5V J5 3VAREF GND 13 12 ~11 ~10 ~9 MUX SEL 8 C10 1uF 2 8 7 6 5 4 3 2 1 J4 3VAREF 5 TP22 GND GND B ALERT 5 JP3 SRC8 DRN7 SRC7 4 SDA SDA 2 2 5 1 4 TP12 GND 2 GND OUT TP40 TP39 TP38 TP37 0 SET TP27 12 +5V ADDR1 3 GND TP11 C8 0.1uF V+ TP10 GND +5V +5V +5V +5V 13 1 R9 57.6K GND C DRN4 TP6 SCL 23 22 4 5 DRN8 VDD RTCLK SCLTP25 SRC5 4 R19 10K 0402 8 SCL DRN5 D17 EN/UVLO 7 R8 ALERT 10K 0402 C51 OPT R64 OPT 0402 C52 OPT R65 OPT 0402 C53 OPT R66 OPT 0402 C54 OPT R67 OPT 0402 C55 OPT R68 OPT 0402 C56 OPT R69 OPT 0402 C57 OPT R70 OPT 0402 C58 OPT R71 OPT 0402 J13 OPT 1 D23-D30 PMEG4010CEJ 1 29 20 SDA 5 25 24 9.09K R7 10K 0402 12 11 18 SRC6 6 26 3 +5V C2 0.1uF 10V 0402 J3 OPT U2 LT3965EFE 10 15 TP7 DRN6 3 9 8 16 TP15 SRC7 ALERT LED1 XP-E LED2 XP-E 3 D16 ADDR4 13 TP24 R4 10K 0402 D15 6 5 14 SDA SDA SDA 27 ADDR3 11 SDA 28 7 9 12 SDA 1 R3 D5 PMEG6010CEH C6 1.0uF 50V 0805 Q5 FMMT593TA 1K LED1+ 1 10 ~9 C43 OPT R56 OPT 0402 C44 OPT R57 OPT 0402 C45 OPT R58 OPT 0402 C46 OPT R59 OPT 0402 C47 OPT R60 OPT 0402 C48 OPT R61 OPT 0402 C49 OPT R62 OPT 0402 C50 OPT R63 OPT 0402 GND 7 SRC8 DRN7 RTCLK 5 8 DRN8 VDD R18 10K 0402 4 1 29 3 6 EN/UVLO 7 C1 0.1uF 10V 0402 R6 10K 0402 2 LED2+ 3 9.09K 1 4 3 D15-D22 PMEG4010CEJ 2 3 2 +5V J2 2 R5 R47 ADDR2 U1 LT3965EFE 1K 1 4 1 LED1+ ALERT E2 J12 OPT J1 OPT 1 VIN2 TP36 TP4 R2 49.9K 1 +5V D D4 PMEG6010CEH Q4 FMMT593TA 2 R44 C3 1.0uF 50V 0805 R1 49.9K RTCLK VIN2 VIN2 ADDR1 C17 0.1uF 50V VIN1 TP35 TP3 0 C12 0.1uF 50V SW3 VIN1 VIN2 3 C5 0.1uF 50V C4 0.1uF 50V D9 PMEG6010CEJ D8 PMEG6010CEJ 2 D7 PMEG6010CEJ VIN D6 PMEG6010CEJ 1 GND VIN1 INTVCC 2 3 3 1 4 1 5 1. ALL RESISTORS ARE 0603. ALL CAPACITORS ARE 0603. RED 150080SS75000 1 A 3 +5V D32 FLASH WHEN READY R22 10K A 12 ~11 CUSTOMER NOTICE Q2 VN10LF 1 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED TITLE: CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. S3 2 PUSH TO START B3SL GREEN SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 2 N/A DATE: TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only SCHEMATIC 8-SWITCH MATRIX LED DIMMER IC NO. REV. LT3965EFE DC2218A Friday, November 06, 2015 1 7 SHEET 1 OF 2 5 4 3 2 1 Q3 VN10LF 3 R80 OPT 2512 2.5K 2512 ISN1 GND 44.2K E5 SW3 2 3 15uH C24 4.7uF 7443551151 50V 1210 1 D10 PMEG6010CEJ LED2+ D11 PMEG6010CEJ VIN R75 OPT 10K OPT REF 1 2 3 E12 TG1 TG2 14 33 ISP2 TG2 ISN2 32 TG1 ISP2 26 SENSEP2 SENSEN2 25 24 GATE2 23 GATE1 31 R17 0.05 1206 R39 10 0603 R38 10 0603 SENSEP1 21 ISP1 ISP1 SENSEN1 ISN1 FBH3 16 38 37 36 ISN3 35 TG3 R10 C32 47.5K 1uF C33 1uF C34 0.22uF 310kHz 0603 0603 0603 FBH1 FBH2 17 FBH1 30 FBH2 RTCLK R11 5.6K 12 VC3 B 40 VC2 SYNC C37 C19 2.2nF 2.2nF C36 10uF 10V 0603 47uH SD25-470-R R76 OPT 28 19 53 INTVCC VC1 GND INTVCC 46 INTVCC C35 0.1uF 0603 L4 E9 45 BOOST 48 SW2 SW1 47 49 FLT3 3 FLT2 2 FLT1 SS1 20 CTRL1 RT 11 CTRL2 100K 8 R45 9 CTRL3 PWM3 REF 10 7 PWM2 R79 C GND 3 2 1 R16 0.05 1206 R35 1M 0603 ISP3 42 SENSEP3 43 4 22 R15 0.02 1206 M2 Si7308DN U3 LT3797EUKG 6 5 R83 D2 5 6 7 8 8 7 6 5 4 OVLO PWM1 52 FBH2 44.2K DFLS260 R32 43.2K EN/UVLO 4 R78 OPT SW2 WE-7447789133 M1 Si7308DN 1 2 3 51 ~7 CTRL LED1+ R31 L2 33uH DFLS260 R41 38.3K R53 0 B VIN R40 249K E8 R77 OPT 30VOUT 0805 LED2- ISN2 C28 C27 C30 C26 C25 M3 10uF Si7850DP 50V 1206 SENSEN3 50 C31 1uF 50V 0805 GATE3 44 R33 10 0603 ENABLE ISN2 0 R55 0603 OPT 0603 L2,L3 SW1 15 4 C L1 33uH D1 C29 EEHZA1H330XP EN/UVLO M5 Si7611DN LED1+ LED2+ D PDS360 ISN1 C23 33uF 50V 5 6 7 8 J10 R52 1 2 3 1M 0603 FBH1 1M 0603 1 + M4 Si7611DN 5 6 7 8 LED1C41 OPT C21 22uF 10V 0603 R30 D3 L3 E3 LED1- R29 5 6 7 8 1 2 3 R26 0.5 1206 E6 C39 10uF 50V 1206 VIN GND R51 SS3 E4 R28 41 C38 0.1uF 50V VIN SS2 EMIVIN 9V - 36V R25 0.5 1206 C20 22uF 10V 0603 0 0603 27 FB1 742792150 30VOUT 0805 ISP2 4 TG2 D 4 TG1 ISP1 J11 C40 OPT 30VOUT E7 L6 10uH 7443251000 LED2- 2 30VOUT ~9 1 R46 R12 5.6K C9 22nF C22 1nF R13 15K INTVCC FLT1 FLT2 R42 100K 0603 E10 R43 100K 0603 E11 1630 McCarthy Blvd. Milpitas, CA 95035 CUSTOMER NOTICE A LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A Phone: (408)432-1900 www.linear.com CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; TECHNOLOGY Fax: (408)434-0507 HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO LTC Confidential-For Customer Use Only VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED TITLE: SCHEMATIC CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR 8-SWITCH MATRIX LED DIMMER TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE 0402. ALL CAPACITORS ARE 0402. SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 2 N/A DATE: IC NO. REV. LT3965EFE DC2218A 7 SHEET Friday, November 06, 2015 1 2 OF 2 A