LTC2977 CH0 Power Stage R9 3.01k GND 2 4 VIN SW 3 1 L1 4.7uH MIKE P. 06-18-13 2 U2 LTC3405AES6 Q9 SI1304 VOUT_CH0 R87 470 1210 3 1 VDD GND C57 22u/10V 1210 GND P1 GREEN R1 100k CH0 1.2V C6 10u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 1 2 RUN 1 5 VFB 2 6 MODE PRODUCTION R10 3.01k R82 100k 2 3 1 VDD C5 10u/10V 1210 1 VDD R83 100k U1 LTC3405AES6 - LTC2977 CH1 Power Stage VDD L2 4.7uH C1 220p GND Q8 SI1304 GND VOUT_CH1 C56 22u/10V 1210 GND P2 GREEN R86 470 1210 R2 100k CH1 1.5V C2 220p GND R78 442k DACP_CH0 GND GND R5 200k RUN_CH0 R79 100 VSNSP_CH0 R76 348k DACP_CH1 GND R6 115k RUN_CH1 GND R77 100 VSNSP_CH1 C53 100n GND C52 100n GND GND LTC2977 CH2 Power Stage LTC2977 CH3 Power Stage VDD VDD R11 3.01k R12 3.01k RUN 1 5 VFB GND 2 4 VIN SW 3 GND 1 2 6 MODE L3 4.7uH C55 22u/10V 1210 P3 GREEN VDD U4 LTC3405AES6 Q7 SI1304 GND VOUT_CH2 R85 470 1210 3 1 U3 LTC3405AES6 R3 100k CH2 1.8V C8 10u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 GND C3 220p GND 1 2 3 1 VDD 2 R80 100k 2 R81 100k C7 10u/10V 1210 GND L4 4.7uH P4 GREEN Q6 SI1304 GND VOUT_CH3 C54 22u/10V 1210 R84 470 1210 R4 100k CH3 2.0V C4 220p GND R74 294k DACP_CH2 GND GND R7 80.6k RUN_CH2 R75 100 VSNSP_CH2 C51 100n R72 261k DACP_CH3 GND R8 66.5k RUN_CH3 GND GND R73 100 VSNSP_CH3 GND C50 100n 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 LTC2977 CH4 Power Stage R26 3.01k GND 2 4 VIN SW 3 1 L6 4.7uH MIKE P. 06-18-13 2 U10 LTC3405AES6 Q4 SI1304 VOUT_CH4 R44 470 1210 3 1 VDD GND C36 22u/10V 1210 GND P5 GREEN R37 100k CH4 2.5V C22 10u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 1 2 RUN 1 5 VFB 2 6 MODE PRODUCTION R27 3.01k R47 100k 2 3 1 VDD C21 10u/10V 1210 1 VDD R48 100k U9 LTC3405AES6 - LTC2977 CH5 Power Stage VDD L7 4.7uH C28 220p GND Q3 SI1304 GND VOUT_CH5 C35 22u/10V 1210 GND P6 GREEN R43 470 1210 R38 100k CH5 2.7V C29 220p GND R56 210k DACP_CH4 GND GND R31 47.5k RUN_CH4 R55 100 VSNSP_CH4 R54 196k DACP_CH5 GND R32 42.2k RUN_CH5 GND R53 100 VSNSP_CH5 C40 100n GND C39 100n GND GND LTC2977 CH6 Power Stage LTC2977 CH7 Power Stage VDD VDD R28 3.01k R29 R45 3.01k RUN 1 5 VFB GND 2 4 VIN SW 3 GND 1 2 6 MODE L8 4.7uH C34 22u/10V 1210 VDD U12 LTC3405AES6 Q2 SI1304 GND VOUT_CH6 R42 470 1210 3 1 U11 LTC3405AES6 P7 GREEN R39 100k CH6 3.0V C24 10u/10V 1210 6 MODE RUN 1 5 VFB GND 2 4 VIN SW 3 GND C30 220p GND 1 2 3 1 VDD 2 100k 2 R46 100k C23 10u/10V 1210 GND L9 4.7uH P8 GREEN Q1 SI1304 GND VOUT_CH7 C33 22u/10V 1210 R41 470 1210 R40 100k CH7 3.3V C31 220p GND R52 174k DACP_CH6 GND GND R33 36.5k RUN_CH6 R51 100 VSNSP_CH6 C38 100n R50 158k DACP_CH7 GND R34 32.4k RUN_CH7 GND GND R49 100 VSNSP_CH7 GND C37 100n 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 - 1 PRODUCTION MIKE P. 06-18-13 DACP_CH3 DACP_CH4 VSNSP_CH4 DACP_CH5 DACP_CH6 DACP_CH7 VSNSP_CH5 VSNSP_CH6 LTC2977 8-CHANNEL POWER SYSTEM MANAGER FEATURING ACCURATE OUTPUT VOLTAGE MEASUREMENT 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 VDD +3V3 +3V3 CRA06S R22 10k R18 10k R23 10k TP11 TP12 GND SCL SDA ALERTB FAULTB CTRL SHARE_CLK RESETB C18 100n C19 100n GND 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 CH7_SHORT 3 VSNSP_CH3 VSNSP_CH2 R68 100k Q5 SI1304 1 2 DACP_CH2 VSNSP_CH1 GND DACP_CH1 GND DACP_CH0 VSNSP_CH0 C12 100n U6 LTC2977CUP GND GND GND ALERTB 1 1A 2 GND RESET FAULTB 3 2A 1Y 6 1 2 +3V3 R62 698 VCC 5 2Y 4 1 C46 100n 2 LED1 RED SW1 GND LED2 RED U16 SN74LVC2G34DCK GND C44 10n R67 698 GND GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V SHORT VOUT_CH7 VSENSEP3 VSENSEM2 VSENSEP2 VDACM2 VDACP2 VSENSEM1 VSENSEP1 VDACM1 VDACP1 VDACP0 VDACM0 VSENSEM0 VSENSEP0 REFM REFP ASEL1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 R59 10k, 4X C17 1u VSENSEM6 VSENSEP7 VSENSEM7 VOUT_ENO VOUT_EN1 VOUT_EN2 VOUT_EN3 VOUT_EN4 VOUT_EN5 VOUT_EN6 VOUT_EN7 VIN_EN DNC VIN_SNS VPWR VDD33 PAD VDD RUN_CH0 RUN_CH1 RUN_CH2 RUN_CH3 RUN_CH4 RUN_CH5 RUN_CH6 RUN_CH7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SW2 VDD33 VDD25 WP PWRGD SHARE_CLK WDI/RESETB FAULTB00 FAULTB01 FAULTB10 FAULTB11 SDA SCL ALERTB CONTROL0 CONTROL1 ASEL0 VSNSP_CH7 VSENSEP6 VSENSEM5 VSENSEP5 VDACM7 VDACP7 VDACP6 VDACM6 VDACM5 VDACP5 VDACP4 VDACM4 VSENSEM4 VSENSEP4 VDACM3 VDACP3 VSENSEM3 GND LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE TP15 TP10 6 2 4 6 8 10 12 14 GND +12V GND GND SDA_IN SCL U8 LTC4313CMS8 SDA 7 RST\ 13 GP4 A0 CONN_DC1613 20 SDA 19 SCL 18 VDD A1 16 GP7 PAD PAD 17 VSS U13 MCP23008-E/ML IBV_AUX R15 73.2k C10 100n GND 6 NC NC INT 8 9 GP0 12 GP3 15 GP6 U7 LTC4415IMSE A2 5 C13 22u/10V 1210 C16 1u R19 10k C14 47p C47 4.7u 3 2 GND GND GND EEVCC GND SHARE_CLK GND EEVCC +3V3 +3V3 R36 10k R30 10k 1 SCL ON R25 249 GND 2 3 4 GND 1 GND VOUT 6 C41 10u/10V 1210 WP 5 2 GND 1 2 3 4 1 R57 10k 3 SDA JP3 TDA04H0SK1 VCC 4 GND GND U14 24AA02T-I/OT GND 2 GND DNC 5 3 DNC VIN 4 GND GND TP14 R16 3.01k C45 10u/25V 1206 LED3 GREEN GND GND U15 LT6654BMPS6-1.25 GND GND C15 1u GND C42 1u C25 1u GND GND CUSTOMER NOTICE 1. ALL RESISTORS ARE 1% 0603. 2. ALL CAPACITORS ARE 16V 0603. 3. THE INTERMEDIATE BUS IS VDD=5.0V GND R63 2.49k C43 4.7u GND R61 CH7_SHORT OPT GND D1 BAT30CWFILM 1 C27 1u R21 1.0k R20 249 IN1 OUT1 16 IN1 OUT1 15 EN1 nSTAT1 14 CLIM1 nWARN1 13 CLIM2 nWARN2 12 nEN2 nSTAT2 11 IN2 OUT2 10 IN2 OUT2 9 R24 10k, 4X 4 GND 1 2 3 4 5 6 7 8 R17 46.4k C11 68p R14 10k GND GND NC 14 GP5 VDD IHLP-1616BZ L5 2.2uH 2 +5V (100mA) 1 SDA 2 GND 3 SCL 4 +3.3V(100mA) 5 ALRTB 6 GPO_1 7 OUTEN 8 GPO_2 9 GND 10 AUXSCL 11 AUXSDA 12 GP2 GND GND 8 7 6 5 J2 GP1 10 GND 11 C49 68p +3V3 C20 100n 1 2 3 4 1 SCL_IN +3V3 R35 10k 8 7 6 5 ITH FB RT SGND MODE/SYNC PGOOD SW SW 6-14V POWER INPUT GND 3 R58 10k ENABLE VCC SCLO SDAO SDAI SCLI GND READY C48 4.7p PAD R60 10k 1 2 3 4 R71 73.2k PAD +3V3 12 11 10 9 U5 LTC3604IUD 2 GND NC EESCL EESDA 3 2 1 C32 47u/16V 7343 C9 10u/25V 1206 13 14 15 16 +12V UNUSED2 GND 3 S1 TRACK/SS RUN VIN VIN GND 2 OFF EXP GND 1 3 5 7 9 11 13 CONTROL 1 C26 1u 1 FAULTB ALERTB SHARE_CLK RESETB UNUSED1 GND 06-18-13 4 5 JP2 MALE GND MIKE P. SDA FAULTB ALERTB RUN JP1 FEMALE 1 3 5 7 9 11 13 PRODUCTION S1 SCL_IN SDA_IN CTRL 2 4 6 8 10 12 14 1 GND 8 7 VON 6 INTVCC 5 BOOST R88 10k TP9 TP13 SCL TP1 TP2 TP16 TP8 GND GND GND SHARE_CLK CTRL_P TP7 - LTC CONFIDENTIAL FOR CUSTOMER USE ONLY PCB DES. www.linear.com APP ENG. B SCALE = NONE