5 4 3 2 1 REVISION HISTORY ECO REV _ 2 DESCRIPTION APPROVED DATE LEO C. 04-19-10 PRODUCTION VPIC VCC 2 3 DIV 7 R4 33.2 GND SET OSCIN 4 RA5 RA4 RA3 RA2 RA1 RA0 PGD/RB7 PGC/RB6 RB5 RB4 RB3 31 OSCOUT RB2 RB1 INT/RB0 C SYSTEM_RST# AUX_MAIN# GPO_2 27 26 25 RE2/CS RE1/WR RE0/RD 6 VSS GPO_1 RX/RC7 TX/RC6 MOSI/RC5 MISO/RC4 SCK/RC3 RC2 18 MCLR RC1 RC0 VSS R3 20k OUT 30 VDD 28 C3 0.1uF V+ 5 RD7 RD6 RD5 RD4 RD3 RD2 RD1 RD0 24 23 22 21 20 19 17 16 15 14 11 10 9 8 RA5 RA4 USB_TXE# USB_WR_CLK# USB_RXF# USB_RD_CLK# R5 1k RB5/CS NXP_WR_ ALERTB NXP_INT_ 1 44 43 42 37 36 35 32 NXP_RD_ NXP_CE_ RC5/MOSI/SDAO RC4/MISO/SDAI RC3_SCK NXP_A0_ NXP_A1_ OUTEN 5 4 3 2 41 40 39 38 PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 R1 49.9k PROG JP1 5 6 3 4 1 2 D COMMAND LED1 LTST-C190KGKT (LITE-ON) GRN R2 475 USB_RXF# HD2X3-079 VCC R10 4.99k OPT R12 1M OPT C 3 2 1 JP2 OPT 1 0 HD1X3-079 29 1 VDD U2 LTC1799CS5 VCC U1 PIC16LF1937-I/PT - C2 0.1uF + C1 0.1uF D B B ASSY -A -B R63 OPT 0 R64 0 OPT R65 0 OPT R66 OPT 1k R67 0 OPT R68 OPT 1k Q6 OPT 2N7002 Q7 OPT 2N7002 CUSTOMER NOTICE A NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0402. 2. INSTALL SHUNTS ON JUMPERS AS SHOWN. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TECHNOLOGY KT LEO C. I2C / SMBUS / PMBUS CONTROLLER 4 3 N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 APPROVALS DATE: 2 IC NO. DEMO CIRCUIT 1613A Monday, April 19, 2010 SHEET 1 1 REV. 2 OF 4 A 5 4 3 R14 VCC 475 C9 0.1uF 1 USB5V C12 0.1uF C11 0.1uF D 2 C10 10uF,6.3V 0805 D R21 10k 48MHZ VCC R22 33.2 R23 1k 29 USB5V 3 26 13 USBDP 16 15 RD RSTOUT 14 WR 12 TXE RXF EECS 27 XTIN EESK 28 XTOUT EEDATA 11 3V3OUT 10 SI/WU 4 PWREN RST TEST AGND R24 10k USBDM J2 R17 22.1 8 R18 22.1 7 C18 47pF C19 47pF R69 0 1206 5 USB5V 32 2 6 C U7 93LC46BT-I/OT C16 0.1uF C15 0.1uF 1 2 3 4 5 6 USB-B MILL-MAX R20 10k 1 31 1 2 3 4 5 6 R19 1.5k 6 5 9 17 GND GND C USB_RD_CLK# USB_WR_CLK# USB_TXE# USB_RXF# D7 D6 D5 D4 D3 D2 D1 D0 C14 USB5V 0.01uF U6 FT245BL VCC VCC VIO 18 19 20 21 22 23 24 25 PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 AVCC 30 C13 0.1uF 4 R26 10k VCC CS CLK DO VSS DI 1 2 3 R25 2.21k U8 LTC6905CS5-96 C17 0.1uF 1 2 3 B V+ OUT EE 5 EN DIS GND SET DIV 4 1 2 3 JP4 HD1X3-079 CUSTOMER NOTICE APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A B TECHNOLOGY KT LEO C. TITLE: SCHEMATIC I2C / SMBUS / PMBUS CONTROLLER SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: 2 IC NO. DEMO CIRCUIT 1613A Monday, April 19, 2010 SHEET 2 1 REV. 2 OF 4 A 8 5 Y Z R43 1k 2 4 7 GPO_2 R44 4.99k A1 COL1 C1 E1 A2 COL2 C2 E2 7 7 1 X0 X1 5 U16B 74HC125D 6 1 4 8 +5V * 7 6 A1 COL1 C1 E1 A2 COL2 C2 E2 8 OUTENISO INT EXT PU2 C VCCIO +5V SDA U16D 74HC125D 11 J1 1 2 3 4 5 6 7 8 9 10 11 12 GPO_1_ISO 5 VCCIO A1 E1 C1 COL2 A2 E2 C2 B VCCIO R50 1k + - 3 6 R53 1k U20B LT1720CS8 4 5 R52 2.49k COL1 AUXP SDA GND SCL LGKPWR ALERTB GPO_1 OUTEN GPO_2 GND AUXSCL AUXSDA U20A LT1720CS8 1 + - 2 7 7 6 R51 1k 1 2 3 4 ALERTB_ISO CUSTOMER NOTICE APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY KT LEO C. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC I2C / SMBUS / PMBUS CONTROLLER SIZE 4 JP7 HD2X6-079 C29 +5V 0.1uF 8 8 5 5 * SCL R46 R47 4.99k 4.99k U19 MOCD207M VCC ALERTB 1 2 3 Q7 1 * 12 EXT PU1 R41 4.99k * R64 INT VCCIO U16C 74HC125D 8 9 R63 GPO_2_ISO +5V R54 4.99k * R68 Z0 Z1 5 U12, SDA/SCL THRESHOLDS VIL = 0.3 VDD X 3.3 = 0.99V VIH = 0.7 VDD X 3.3 = 2.31V VOL@20mA < 0.4V (20 OHM) R67 JP6 * * Y0 Y1 7 6 R66 C27 +5V 0.1uF Q6 1 W0 W1 CTRL U18 MOCD207M 3 GPO_1 R39 10k * 1 2 3 +5V 2 OUTEN R38 10k R65 5 10 14 9 R49 1k R37 10k R45 4.99k 8 VCC R48 1k 15 W0 1 W1 2 X0 3 X1 6 Y0 10 Y1 11 Z0 12 Z1 R36 10k U16A 74HC125D 3 14 13 R42 1k U17 MOCD207M 9 7 16 X VCCIO R32 4.99k 14 4 CONTROL W 4 AGND 4 7 13 14 14 W X Y Z +5V 3 U13C 74HC125D 8 B 16 15 14 13 12 11 10 9 VCC AUX_MAIN# 12 VDD2 GND2 OUT1 OUT2 OUT3 IN4 NC GND2 VEE U13B 74HC125D 5 1 U13D 74HC125D 11 VDD1 GND1 IN1 IN2 IN3 OUT4 NC GND1 2 U15 OPT MC14551BDG VSS 5 1 2 3 4 5 6 7 8 13 7 C28 0.1uF U14 HCPL-091J U13A 74HC125D 2 3 C26 0.1uF VDD 8 + 3 - 6 VCC U11B LT1720CS8 6 4 R40 499 C +5V +5V R34 2k E3 C24 +5V 0.1uF +5V C25 0.1uF 5 R33 499 VCC C23 0.1uF 7 VCC + - +5V +5V 5 D 14 2 7 NXP_WR_ NXP_RD_ NXP_CE_ NXP_A0_ NXP_A1_ NXP_INT_ RC3_SCK 1 1 7 20 D0 VDD 19 D1 SDA 18 D2 SCL 17 D3 RESET# 16 D4 INT# 15 D5 A1 14 D6 A0 13 D7 CE# 12 I.C. RD# 11 VSS WR# U11A LT1720CS8 7 14 1 2 3 4 5 6 7 8 9 10 R30 2k 4 14 PIC_DB0 PIC_DB1 PIC_DB2 PIC_DB3 PIC_DB4 PIC_DB5 PIC_DB6 PIC_DB7 R29 4.99k ( LOW LEVEL = 0.657V ) 0805 U12 PCA9665PW C21 0.01uF 6 3 C22 10uF,6.3V D X0 X1 X Y0 Y1 Y VCCIO E2 14 10 VCC C20 0.1uF 16 15 14 13 12 11 10 9 8 VCC VCC VCC S VCC 1B1 OE 1B2 4B1 1A 4B2 2B1 4A 2B2 3B1 2A 3B2 GND 3A FST3257MTCX E1 VCCIO 2 RA5 R28 499 1 2 3 4 5 6 7 8 CTRL W0 W1 W Z0 Z1 Z R27 4.53k +5V U26 1 U10 JP5 VCCIO ACCEL LTC4311CDC 1 EN 1 2 ENABLE GND 3 DIS 2 NC BUS2 3 VCC BUS1 3 ISOLATED 2 2 NON-ISOLATED VCC ( 0.327V ) 3 GND 4 7 5 N/A SCALE = NONE 2 DATE: IC NO. REV. DEMO CIRCUIT 1613A Monday, April 19, 2010 SHEET 1 2 3 OF 4 A 5 4 3 2 NON-ISOLATED 1 ISOLATED RA4 V+ 5VSW D V+ D E4 5VSW VSEN 1 5 OUT 5 GND SHDN BYP 4 2 C35 0.01uF 5 6 C36 10uF,6.3V 0805 R56 100 7 VIN COLA SYNC COLB CT CT 2 C40 0.1uF CG RSL 4 T1 PA0510 3 14 4 4 R59 10k USB5V ON 3 1 1 3 1 E7 V+ E5 V+ E6 AGND 2 C38 2.2nF,1000V D2 BAT54S C 1206 U24 LT1761ES5-5 V+ JP9 5VSW HD2X3-079 1 2 3 4 5 6 1 C42 10uF,6.3V 0805 SW ISO OFF 8 3 C37 R58 330pF 16.9k R60 100 D1 BAT54S 2 5 6 RT R57 100 ON C41 0.01uF USB5V 3 SHDN 10 17 1 C VCC GND 3 3 VIN U21 LT3439EFE PGND PGND 2 U23 LTC4210-1CS6 6 1 11 GND GND 2 Q5 VPIC 2N7002 R55 10k 16 1 3 0805 C34 10uF,6.3V 0805 C39 0.1uF U22 LT1761ES5-3.3 Q4 Si2316DS RSENSE1 0.1 OHM 1 USB5V 13 OPT C31 10uF,16V 0805 R61 10k 2 3 VIN OUT +5V 5 GND SHDN BYP 4 C43 0.01uF R62 1.5k C44 10uF,6.3V 0805 USB5V E8 ISO PWR LED2 LTST-C190KGKT (LITE-ON) GRN - JP8 C30 0.1uF C33 100uF,6.3V 1210 + C32 0.1uF VCC GND U25 LT1761ES5-3.3 V+ E9 B VCC 1 JP10 ISO PWR 1 INT 2 3 EXT VCC E10 GND CUSTOMER NOTICE 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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 2 3 VIN OUT VCCIO 5 B GND SHDN BYP 4 C45 10uF,6.3V 0805 APPROVALS TECHNOLOGY PCB DES. KT APP ENG. LEO C. C46 0.01uF 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC I2C / SMBUS / PMBUS CONTROLLER SIZE N/A SCALE = NONE 2 DATE: IC NO. DEMO CIRCUIT 1613A Monday, April 19, 2010 SHEET 4 1 REV. 2 OF 4 A