- LTC2975 CH0 POWER STAGE, VOUT=1.5V R18 3.01k 1 1 RUN 1 4 VIN SW 3 Q6 DMG1012UW-7 U8 LTC3405AES6 2 1 3 2 P4 GREEN VDD GND L4 4.7uH VOUT_CH0 GND R28 330 1210 C42 22u/10V 1210 R25 100k CH0 1.5V C24 22u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 Q5 DMG1012UW-7 1 2 3 2 U7 LTC3405AES6 GND 2 02-12-14 R19 3.01k R29 100k P3 GREEN VDD 5 VFB MIKE P. VDD R30 100k 6 MODE PRODUCTION LTC2975 CH1 POWER STAGE, VOUT=1.8V VDD C23 22u/10V 1210 1 GND L5 4.7uH VOUT_CH1 GND C33 220p R27 330 1210 C41 22u/10V 1210 R26 100k C35 220p CH1 1.8V VDD GND GND GND DACP_CH1 R21 115k RUN_CH0 R35 100 VSNS_CH0 R34 340k TEMP_CH0 SW2 SHORT RUN_CH1 R33 100 R43 100k C43 100n GND R32 2.7k, 4X GND GND R22 80.6k VSNS_CH1 C44 100n GND 3 DACP_CH0 GND GND R31 2.7k, 4X GND 1 SHORT GND Q7 DMG1012UW-7 2 R36 402k GND TEMP_CH1 2 C25 100n 2 Q3 MMBT3906 1 3 GND Q4 MMBT3906 1 C26 100n CRA06S 4x ARRAY GND C38 10n ISNSP_CH0 GND C39 10n C32 2.2n GND CRA06S 4x ARRAY GND C36 10n ISNSP_CH1 GND ISNSN_CH0 3 ISNSN_CH1 C30 2.2n GND C34 2.2n GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V C37 10n GND C31 2.2n GND LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE - LTC2975 CH2 POWER STAGE, VOUT=2.5V R5 3.01k 1 1 RUN 1 4 VIN SW 3 2 U2 LTC3405AES6 GND L1 4.7uH VOUT_CH2 R55 330 1210 C57 22u/10V 1210 R48 210k GND R1 100k GND CH2 2.5V C10 22u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 R49 100 C1 220p TEMP_CH2 VOUT_CH3 R54 330 1210 C56 22u/10V 1210 GND R2 100k CH3 3.3V C3 220p GND R4 32.4k RUN_CH3 R47 100 C54 100n GND R51 2.7k, 4X GND GND L2 4.7uH R46 158k VSNS_CH3 C55 100n Q8 DMG1012UW-7 1 GND GND DACP_CH3 R3 47.5k RUN_CH2 VSNS_CH2 3 2 Q9 DMG1012UW-7 1 GND GND DACP_CH2 P2 GREEN VDD 2 3 2 U1 LTC3405AES6 GND 2 02-12-14 R6 3.01k R52 100k P1 GREEN VDD 5 VFB MIKE P. VDD R53 100k 6 MODE PRODUCTION LTC2975 CH3 POWER STAGE, VOUT=3.3V VDD C9 22u/10V 1210 1 GND R50 2.7k, 4X GND TEMP_CH3 2 C7 100n 2 Q1 MMBT3906 1 3 GND Q2 MMBT3906 1 C8 100n CRA06S 4x ARRAY GND C61 10n ISNSP_CH2 GND C60 10n C2 2.2n GND CRA06S 4x ARRAY GND C59 10n ISNSP_CH3 GND ISNSN_CH2 3 ISNSN_CH3 C5 2.2n GND C4 2.2n GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V C58 10n GND C6 2.2n GND LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE - 1 PRODUCTION MIKE P. 02-12-14 VSNS_CH3 DACP_CH0 DACP_CH1 DACP_CH2 VSNS_CH2 DACP_CH3 VSNS_CH1 LTC2975 4-CHANNEL POWER SYSTEM MANAGER FEATURING ACCURATE ENERGY MEASUREMENT IIN_SNSM GND 13 14 15 16 TRACK/SS RUN VIN VIN ITH FB RT SGND MODE/SYNC PGOOD SW SW R9 73.2k 1 2 3 4 5 6 7 8 R11 46.4k C13 68p R8 10k GND GND C15 22u/10V 1210 C20 1u R12 10k C17 47p C51 4.7u GND GND EEVCC GND 2 GND GND GND R38 10k, 4X CRA06S C12 100n IBV_AUX GND GND U4 LTC2975CUP GND 1 2 3 4 R14 1.0k R13 249 IN1 IN1 EN1 CLIM1 CLIM2 EN2 IN2 IN2 OUT1 OUT1 STAT1 WARN1 WARN2 STAT2 OUT2 OUT2 16 15 14 13 12 11 10 9 R7 0.050 1206 +5V R10 3.01k C48 10u/25V 1206 1 TEMP_CH3 12 11 10 9 U5 LTC4415IMSE LED3 GREEN 2 C53 68p C52 4.7p VDD IHLP-1616BZ L3 2.2uH EXP GND R45 73.2k GND GND 1 GND VOUT 6 TEMP_CH2 2 GND DNC 5 3 DNC VIN 4 GND GND GND GND GND C19 1u D1 BAT30CWFILM U11 LT6654BMPS6-1.25 R15 10k, 4X CRA06S GND 1 GND GND IIN_SNSM IIN_SNSP U3 LTC3604IUD 3 GND PWRGD SHARE_CLK GND GND GND CONTROL2 CONTROL3 WDI/RESETB FAULTB0 FAULTB1 TSENSE2 WP SDA SCL ALERTB CONTROL0 C18 100n TEMP_CH0 TEMP_CH1 C40 47u/16V 7343 C11 10u/25V 1206 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C14 1u C21 100n GND GND ISNSN_CH3 ISNSP_CH3 ISNSN_CH2 ISNSP_CH2 ISNSN_CH1 ISNSP_CH1 ISNSN_CH0 ISNSP_CH0 C16 100n NC GND 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 PAD +3V3 ISENSEM3 ISENSEP3 ISENSEM2 ISENSEP2 ISENSEM1 ISENSEP1 ISENSEM0 ISENSEP0 REFM GND REFP GND ASEL1 ASEL0 TSENSE3 CONTROL1 8 7 VON 6 INTVCC 5 BOOST RUN_CH0 RUN_CH1 RUN_CH2 RUN_CH3 VSENSEP0 VSENSEM0 VOUT_EN0 VOUT_EN1 VOUT_EN2 VOUT_EN3 AUXFAULTB DNC VIN_SNS VPWR VDD33 VDD33 VDD25 VDD25 TSENSE0 TSENSE1 INTERMEDIATE +5V BUS AND DIODE-OR +12V PAD VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VSENSEM1 VSENSEP1 VSENSEM2 VSENSEP2 GND GND VDAC3 VDAC2 IIN_SNSM/NC IIN_SNSP/NC VDAC1 VDAC0 GND/NC VIN_SNS_CAP/NC VSENSEM3 VSENSEP3 VSNS_CH0 C49 10n PAD 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 IIN_SNSP GND R40 2.49k C47 4.7u GND C46 1u SCL SDA ALERTB FAULTB CTRL SHARE_CLK RESETB GND GND RESET SW1 C62 10n GND GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE R56 10k TP12 TP19 CONTROL 6 FAULTB ALERTB SHARE_CLK RESETB UNUSED1 GND 02-12-14 4 5 JP2 MALE GND MIKE P. S1 RUN JP1 FEMALE 1 3 5 7 9 11 13 PRODUCTION GND SCL_IN SDA_IN CTRL 2 4 6 8 10 12 14 1 SDA FAULTB ALERTB TP7 TP13 SCL TP1 TP2 TP20 TP6 GND GND GND SHARE_CLK CTRL_P TP5 - 1 3 5 7 9 11 13 +12V GND +12V UNUSED2 C28 1u 2 4 6 8 10 12 14 1 2 3 3 2 1 OFF S1 GND GND 6-14V POWER INPUT GND GND EESCL EESDA +3V3 SCL SDA_IN EEVCC LTC4313CMS8 SCL_IN +3V3 R23 10k GND NC RST\ 20 SDA 19 SCL A1 18 VDD 14 GP5 16 GP7 PAD PAD 17 VSS 1 SCL C22 100n A2 5 C45 22u/10V 1210 WP 5 2 GND 6 7 INT 8 NC A0 U9 MCP23008-E/ML R41 OPT R20 10k 3 SDA 13 GP4 15 GP6 CONN_DC1613 NC 9 10 +5V (100mA) 1 SDA 2 GND 3 SCL 4 +3.3V(100mA) 5 ALERT 6 GPO_1 7 OUTEN 8 GPO_2 9 GND 10 AUXSCL 11 AUXSDA 12 GP0 GP1 GP2 12 GP3 J2 SDA R24 10k +3V3 U6 GND 11 8 7 6 5 GND R16 10k, 4X GND GND VCC 4 C27 1u 4 3 GND 1 1A 2 GND U10 24AA02T-I/OT LED2 RED U12 SN74LVC2G34DCK ALERTB FAULTB GND 1Y 6 2 1 2 1 +3V3 R42 698 VCC 5 3 2A 2Y 4 LED1 RED GND C50 100n R44 698 GND 2 1 +3V3 8 7 6 5 R37 10k ENABLE VCC SCLO SDAO SDAI SCLI GND READY ON R17 249 GND 1 2 3 4 1 2 3 4 R39 10k 1 2 3 4 C29 1u JP3 TDA04H0SK1 GND SHORT GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE