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LTC4449 Datasheet(PDF) 41 Page - Linear Technology |
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LTC4449 Datasheet(HTML) 41 Page - Linear Technology |
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41 / 108 page  LTC3882-1 41 Rev A For more information www.analog.com PMBus COMMAND SUMMARY Table 7. PMBus Command Summary COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE SEE PAGE MFR_FAULT_RESPONSE 0xD5 PWM response when FAULT n pin is low. R/W Byte Y Reg l 0xC0 100 MFR_OT_FAULT_RESPONSE 0xD6 Internal overtemperature fault response. R Byte N Reg 0xC0 97 MFR_IOUT_PEAK 0xD7 Maximum IOUT measurement since last MFR_CLEAR_PEAKS. R Word Y L11 A 92 MFR_RETRY_DELAY 0xDB Minimum time before retry after a fault. R/W Word Y L11 ms l 350ms 0xFABC 98 MFR_RESTART_DELAY 0xDC Minimum time RUN pin is held low by the LTC3882-1. R/W Word Y L11 ms l 500ms 0xFBE8 83 MFR_VOUT_PEAK 0xDD Maximum VOUT measurement since last MFR_CLEAR_PEAKS. R Word Y L16 V 91 MFR_VIN_PEAK 0xDE Maximum VIN measurement since last MFR_CLEAR_PEAKS. R Word N L11 V 91 MFR_TEMPERATURE_1_PEAK 0xDF Maximum external temperature measurement since last MFR_CLEAR_ PEAKS. R Word Y L11 °C 92 MFR_CLEAR_PEAKS 0xE3 Clear all peak values. Send Byte N 93 MFR_PADS_LTC3882-1 0xE5 State of selected LTC3882-1 pads. R Word N Reg 89 MFR_ADDRESS 0xE6 Specify right-justified 7-bit device address. R/W Byte N Reg l 0x4F 71 MFR_SPECIAl_ID 0xE7 Manufacturer code representing the LTC3882-1 R Word N Reg 0x424X 103 MFR_FAULT_LOG_STORE 0xEA Force transfer of fault log from operating memory to EEPROM. Send Byte N 103 MFR_FAULT_LOG_CLEAR 0xEC Clear existing EEPROM fault log. Send Byte N 101 MFR_FAULT_LOG 0xEE Read fault log data. R Block N Reg 101 MFR_COMMON 0xEF LTC-generic device status reporting. R Byte N Reg 90 MFR_COMPARE_USER_ALL 0xF0 Compare operating memory with EEPROM contents. Send Byte N 102 MFR_TEMPERATURE_2_PEAK 0xF4 Maximum internal temperature measurement since last MFR_CLEAR_PEAKS. R Word N L11 °C 93 MFR_PWM_CONFIG_LTC3882-1 0xF5 LTC3882-1 PWM configuration common to both channels. R/W Byte N Reg l 0x14 75 MFR_IOUT_CAL_GAIN_TC 0xF6 Output current sense element temperature coefficient. R/W Word Y CF ppm/°C l 3900ppm/°C 0x0F3C 82 MFR_TEMP_1_GAIN 0xF8 Slope for external temperature calculations. R/W Word Y CF l 1.0 0x4000 85 MFR_TEMP_1_OFFSET 0xF9 Offset addend for external temperature calculations. R/W Word Y L11 °C or V l 0.0 0x8000 85 MFR_RAIL_ADDRESS 0xFA Specify unique right-justified 7-bit address for channels comprising a PolyPhase output. R/W Byte Y Reg l 0x80 71 MFR_RESET 0xFD Force full reset without removing power. Send Byte N 73 NVM l Indicates a command value stored to internal EEPROM using STORE_USER_ALL or restored to RAM from internal EEPROM at power-up or execution of RESTORE_USER_ALL or MFR_RESET. |
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