3 2 2 R29 LED5 475 1% B R41 33 2512 VREG R37 33 2512 R5 100 1% C5 C5 OPT Q5 0805 BSS308PE 5 16 17 19 20 C31 10nF S5 21 22 23 Q4 BSS308PE 24 C4 C4 OPT 0805 S4 SDO(IB) C10 SDI(IC) S10 SCK(ILP) C9 CSB(ILM) S9 ISOMD C8 WDT S8 DRIVE C7 VREG S7 SWTEN C6 VREF1 S6 VREF2 C5 GPIO5 S5 GPIO4 C4 VM S4 NC C3 GPIO3 S3 GPIO2 C2 GPIO1 S2 C0 C1 S1 45 A0 Q3 BSS308PE S3 R2 100 1% 2 Q2 BSS308PE R14 3.3k R1 100 1% 2 JP2 R54 1M 1 3 9 41 11 40 13 38 37 36 35 34 33 C17 1uF C21 1uF VREF2 2 VIN VCC GND1 SCK MISO CS MOSI GND2 EESDA EEVCC EESCK EEGND GND3 NC 2 4 6 8 C 10 12 14 SWTEN 1 0 32 WDT JP6 VREG C20 1uF 31 30 29 28 VREG 27 26 25 5 VREG Q13 NSV1C201MZ4 1 6 J2 SPI JP1 42 39 7 1 1 1 JP3 R55 1M 1 0 2 R69 22k R73 OPT VREG U2 24AA01 SOT-23-5 E3 LTC6804VB GPI05 R70 22k GPI04 VREG GPI04 R71 22k GPI03 GPI03 C33 10nF R72 22k GPI02 GPI02 U5 LTC6255IS6 C34 10nF C22 R80 100 100nF C35 10nF S1 GPI01 VREG 1 + 5 - 3 MUX 4 CUSTOMER NOTICE C0 C36 10nF 4 SDA 7 R13 3.3k R56 100 1% SCL VSS 5 C1 C1 OPT 0805 Q1 BSS308PE S2 WP 43 C2 C2 OPT 0805 VCC A1 A2 R58 4.99K 8 A0 44 U1 LTC6804IG-2 C32 10nF JP5 R63 OPT 2 3 S11 46 A1 2 3 A0 JP4 R62 1M 47 A2 C3 C3 OPT 0805 R61 0 R65 OPT 15 C30 10nF A1 C11 3 R15 3.3k 1 R25 LED1 475 1% 14 R3 100 1% 3 A 13 18 2 1 R38 33 2512 Q6 BSS308PE 12 S12 3 R16 3.3k 3 R26 LED2 475 1% 11 R4 100 1% 1 R39 33 2512 10 C6 C6 OPT 0805 2 3 R27 LED3 475 1% 9 R17 3.3k 1 R40 33 2512 8 2 3 R28 LED4 475 1% 7 R18 3.3k 3 1 6 A2 2 R57 4.99K VREG 4 3 R42 33 2512 5 A3 C12 R52 604 48 A3 R53 1.4K 2 SDA VCC 3 R30 LED6 475 1% 4 V+ ISOMD C23 100nF 0805 SHIELD 3 R6 100 1% 1% 5 R43 33 2512 3 R20 3.3k R7 100 1% C7 C7 2 0805 OPT Q7 BSS308PE C29 R19 3.3k 10nF 3 WP R31 LED7 475 1% 1 2 C28 OPT 10nF 0805 Q8 BSS308PE JP12 3 VSS 3 R64 100 R49 2 100 1% C13 100nF 0805 BAT 2 SCL R44 33 2512 C27 10nF 1 4 1 EXT 100nF 4 2 JP11 +56V R21 3.3k R8 100 1% C8 C8 2 3 R32 LED8 475 1% Q9 BSS308PE 1 3 2 BAT C9 C9 OPT 0805 S9 T3 ACT45B-220-2P 2 CELL VOLTAGES 60V MAX J1 16 CELL12 15 CELL11 14 CELL10 13 CELL9 12 CELL8 11 CELL7 10 CELL6 9 CELL5 8 CELL4 7 CELL3 6 CELL2 5 CELL1 4 CELL0 R45 33 2512 EXT 10-23-13 D 1 R33 LED9 475 1% C26 10nF DATE JON M. U3 24LC025-I/ST C19 3 1 R9 100 1% 2 1 JP13 R60 22 1 3 1 R22 3.3k 3 1 APPROVED 0 2 T1 HALO,TGR01-6506V6LF +12V DESCRIPTION PRODUCTION E4 3 A0 POWER 1 6 2 Q10 BSS308PE C10 C10 OPT 0805 S10 4 REV __ 2 JP7 S11 6 R59 22 ECO TERM 3 1 1 1 0 1 R34 LED10 R46 475 33 1% 2512 A1 3 R10 100 1% 2 1 2 C25 10nF R23 3.3k 1 1 0 3 R51 100 4 2 JP8 isoSPI IN J3 RJ45 1 3 5 7 1 1 1 C11 OPT 0805 Q11 BSS308PE 2512 2 4 6 8 3 A2 3 J4 RJ45 1 3 5 7 3 2 1 0 R35 LED11 R47 475 33 1% 2 4 6 8 C11 2 1 1 C R11 100 1% 3 JP9 S12 C24 10nF R24 3.3k A3 3 D Q12 BSS308PE 1 2 1 0 R48 33 2512 isoSPI OUT 3 JP10 LED12 1 1 R36 475 1% C12 C12 OPT 0805 2 1 REVISION HISTORY VEXT- 11 12 R12 100 1% 3 VREG 2 VEXT+ 1 4 11 12 5 NOTES: UNLESS OTHERWISE SPECIFIED, 1. ALL CAPACITORS AND RESISTORS ARE 0603. 2. JUMPERS SHOW IN DEFAULT POSITIONS 3 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. TECHNOLOGY AK JON M. TITLE: SCHEMATIC ADDRESSABLE isoSPI BATTERY - STACK MONITOR SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 2 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: IC NO. LTC6804IG-2 DEMO CIRCUIT 1942C Wednesday, October 23, 2013 REV. 1 SHEET 1 1 OF 2 A 5 4 3 2 1 D D +56V D2 CMHD459A VEXT+ T2 PA0648NL E1 27uH 39.2k 10 7 R76 402k L1 BLM31PG330SN1L C38 4.7nF VIN U4 LT3511EMS VC NC C39 220pF 1 5 7 2 243uH D1 CMHZ5264B +12V D3 CMMSH1-40 C40 4.7uF 25V 1206 27uH +12V R81 4.7k 16 SW LED13 BLUE 12 RREF C 2 R77 RFB GND C TC GND 11 EN/UVLO 14 6 BIAS R78 10k 5 1 4 R79 95.3k 3 R75 39.2k GND E2 8 C37 4.7uF 25V 1206 R74 100k +56V C41 1uF 100V 1206 8 VEXT- 9 7V-12V VEXT- L2 BLM31PG330SN1L 1 VEXT+ U4-GND VREF2 VREG VREF2 R82 10k R83 10k R84 10k R85 10k R86 10k R87 10k R88 10k VREG R89 10k AI0 AI1 AI2 AI3 AI4 AI5 AI6 AI7 13 14 15 12 1 Y0 S0 Y1 S1 Y2 S2 Y3 Z 11 GPI02 GPI03 GPI04 MUX 10 9 3 B U6 5 Y5 74HC4051PW Y7 GND Y6 E 6 8 4 VEE 2 Y4 7 B VCC 16 GND 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 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 TECHNOLOGY AK JON M. 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 ADDRESSABLE isoSPI BATTERY - STACK MONITOR SIZE N/A SCALE = NONE 2 DATE: IC NO. LTC6804IG-2 DEMO CIRCUIT 1942B Wednesday, October 23, 2013 REV. 1 SHEET 2 1 OF 2 A