# # I2C Sensor Bus and Associated Components # # Key In Components File for the Hub Module # -------------------------------------------- # # # Original Rev. 14-Dec-2015 # Most Recent Rev. 7-Feb-2017 # # # This file holds all of the I2C Sensor Bus and associated # components. # # The normal master of the I2C Sensor Bus is the IPMC module. # # Three I2C buffer/translator chips are used to route the # I2C Sensor Bus to: # # the 7 DC/DC Convertes on the Hub # # to the Hub FPGA's SysMon I2C port and its I2C Master port # # and to the ROD mezzanine # # # # Sensor I2C Bus Buffer/Translator Chips # U1501 IC_ltc4315 SY_JUNK tssop_12 36.00 253.00 2 90 U1502 IC_ltc4315 SY_JUNK tssop_12 36.00 245.00 2 90 U1503 IC_ltc4315 SY_JUNK tssop_12 36.00 261.00 2 90 # # Power Supply ByPass Capacitors for the # Sensor I2C Bus Buffer/Translators 3V3 supply. # # C1513 and C11514 are for the 1V8 supply to # the pull-ups on U1502 the I2C bus to the Hub's FPGA. # C1501 Cap_100_nFd_0603 SY_JUNK cap_0603 41.00 256.00 2 180 C1502 Cap_10_uFd_10_V_0805 SY_JUNK cap_0805 44.00 253.00 2 90 C1511 Cap_100_nFd_0603 SY_JUNK cap_0603 41.00 248.00 2 180 C1512 Cap_10_uFd_10_V_0805 SY_JUNK cap_0805 34.00 266.00 2 180 C1521 Cap_100_nFd_0603 SY_JUNK cap_0603 41.00 263.20 2 180 C1522 Cap_10_uFd_10_V_0805 SY_JUNK cap_0805 44.00 261.00 2 270 C1513 Cap_100_nFd_0603 SY_JUNK cap_0603 40.50 266.00 2 180 C1514 Cap_10_uFd_10_V_0805 SY_JUNK cap_0805 44.00 245.00 2 270 # # Pull-Up Resistors associated with the # Sensor I2C Bus and its Buffer/Translators # R1501 Res_4.99k_Ohm_0603 SY_JUNK res_0603 41.00 252.00 2 180 R1502 Res_4.99k_Ohm_0603 SY_JUNK res_0603 41.00 254.00 2 180 R1503 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 250.80 2 0 R1504 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 253.00 2 0 R1505 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 255.20 2 0 R1506 Res_10k_Ohm_0603 SY_JUNK res_0603 41.00 250.00 2 180 R1511 Res_4.99k_Ohm_0603 SY_JUNK res_0603 41.00 244.00 2 180 R1512 Res_4.99k_Ohm_0603 SY_JUNK res_0603 41.00 246.00 2 180 R1513 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 242.80 2 0 R1514 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 245.00 2 0 R1515 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 247.20 2 0 R1516 Res_10k_Ohm_0603 SY_JUNK res_0603 41.00 242.00 2 180 R1523 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 258.80 2 0 R1524 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 261.00 2 0 R1525 Res_10k_Ohm_0603 SY_JUNK res_0603 31.00 263.20 2 0 R1526 Res_10k_Ohm_0603 SY_JUNK res_0603 41.00 258.80 2 180 # # This final section of the Sensor Bus Components File # holds the I2C EEPROM type M24256 that was added # at the last minute to the Hub Module design to hold # things like the card's Serial Number. # U1541 IC_M24256 SY_JUNK soic_8_no_bom 241.00 305.50 2 180 C1541 Cap_10_uFd_10_V_0805 SY_JUNK cap_0805_1sb 235.00 302.50 2 0 JMP1541 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 249.00 310.00 2 180 JMP1542 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 249.00 307.00 2 180 JMP1543 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 249.00 304.00 2 180 JMP1544 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 249.00 301.00 2 180