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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LTM4686BIVPBF 데이터시트(PDF) 85 Page - Analog Devices |
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LTM4686BIVPBF 데이터시트(HTML) 85 Page - Analog Devices |
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85 / 130 page  LTM4686B 85 Rev. 0 For more information www.analog.com APPENDIX C: PMBUS COMMAND DETAILS MFR_CONFIG_ALL General purpose configuration command common to multiple ADI products BIT MEANING 7 Enable Fault Logging 6 Ignore Resistor Configuration Pins 5 Disable CML fault for Quick Command message 4 Disable SYNC out 3 Enable 255ms Time Out 2 A valid PEC required for PMBus writes to be accepted. If this bit is not set, the part will accept commands with invalid PEC. 1 Enable the use of PMBus clock stretching 0 Enables a low to high transition on either RUN pin to issue a CLEAR_FAULTS command This command has one data byte. ON/OFF/MARGIN COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE ON_OFF_CONFIG 0x02 RUN pin and PMBus bus on/off command configuration. R/W Byte Y Reg Y 0x1F OPERATION 0x01 Operating mode control. On/off, margin high and margin low. R/W Byte Y Reg Y 0x80 MFR_RESET 0xFD Commanded reset without requiring a power-down. Identical to RESTORE_USER_ALL. Send Byte N NA ON_OFF_CONFIG The ON_OFF_CONFIG command configures the combination of RUNn pin input and serial bus commands needed to turn the unit on and off. This includes how the unit responds when power is applied. Table 22. Supported Values VALUE MEANING 0x1F OPERATION value and RUNn pin must both command the device to start/run. Device executes immediate off when commanded off. 0x1E OPERATION value and RUNn pin must both command the device to start/run. Device uses TOFF_ command values when commanded off. 0x17 RUNn pin control with immediate off when commanded off. OPERATION on/off control ignored. 0x16 RUNn pin control using TOFF_ command values when commanded off. OPERATION on/off control ignored. Note: A high on the RUNn pin is always required to start power conversion. Power conversion will always stop with a low on RUNn. Programming an unsupported ON_OFF_CONFIG value will generate a CML fault and the command will be ignored. This command has one data byte. |
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