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LTM4686BIVPBF 数据表(PDF) 122 Page - Analog Devices |
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LTM4686BIVPBF 数据表(HTML) 122 Page - Analog Devices |
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122 / 130 page  LTM4686B 122 Rev. 0 For more information www.analog.com APPENDIX C: PMBUS COMMAND DETAILS Table 30. Fault Logging This table outlines the format of the block data from a read block data of the MFR_FAULT_LOG command. Data Format Definitions LIN 11 = PMBus = Rev 1.2, Part 2, section 7.1 LIN 16 = PMBus Rev 1.2, Part 2, section 8. Mantissa portion only BYTE = 8 bits interpreted per definition of this command DATA BITS DATA FORMAT BYTE NUM BLOCK READ COMMAND Block Length BYTE 147 The MFR_FAULT_LOG command is a fixed length of 147 bytes The block length will be zero if a data log event has not been captured HEADER INFORMATION Fault Log Preface [7:0] ASC 0 Returns LTxx beginning at byte 0 if a partial or complete fault log exists. Word xx is a factory identifier that may vary part to part. [7:0] 1 [15:8] Reg 2 [7:0] 3 Fault Source [7:0] Reg 4 Refer to Table 31. MFR_REAL_TIME [7:0] Reg 5 48 bit share-clock counter value when fault occurred (200µs resolution). [15:8] 6 [23:16] 7 [31:24] 8 [39:32] 9 [47:40] 10 MFR_VOUT_PEAK (PAGE 0) [15:8] L16 11 Peak READ_VOUT on Channel 0 since last power-on or CLEAR_PEAKS command. [7:0] 12 MFR_VOUT_PEAK (PAGE 1) [15:8] L16 13 Peak READ_VOUT on Channel 1 since last power-on or CLEAR_PEAKS command. [7:0] 14 MFR_IOUT_PEAK (PAGE 0) [15:8] L11 15 Peak READ_IOUT on Channel 0 since last power-on or CLEAR_PEAKS command. [7:0] 16 MFR_IOUT_PEAK (PAGE 1) [15:8] L11 17 Peak READ_IOUT on Channel 1 since last power-on or CLEAR_PEAKS command. [7:0] 18 MFR_VIN_PEAK [15:8] L11 19 Peak READ_VIN since last power-on or CLEAR_PEAKS command. [7:0] 20 READ_TEMPERATURE1 (PAGE 0) [15:8] L11 21 Channel 0 power stage during last event. [7:0] 22 READ_TEMPERATURE1 (PAGE 1) [15:8] L11 23 Channel 1 power stage or TSNS1a– sensed temperature 1 during last event. [7:0] 24 READ_TEMPERATURE2 [15:8] L11 25 Internal temperature sensor during last event. [7:0] 26 |
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