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LTM4677 Datasheet(PDF) 42 Page - Analog Devices |
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LTM4677 Datasheet(HTML) 42 Page - Analog Devices |
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42 / 110 page  LTC3888-1 42 Rev. 0 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 VIN_OV_FAULT_LIMIT 0x55 VIN overvoltage fault limit. R/W Word N L11 V l 15.5V 0xD3E0 78 VIN_OV_FAULT_RESPONSE 0x56 VIN overvoltage fault response. R/W Byte Y Reg l 0x80 96 VIN_UV_WARN_LIMIT 0x58 VIN undervoltage warning limit. R/W Word N L11 V l 6.3V 0xCB26 78 TON_DELAY 0x60 Delay from RUN pin or OPERATION on command to VOUT ramp start. R/W Word Y L11 ms l 0.0ms 0x8000 83 TON_MAX_FAULT_LIMIT 0x62 Maximum time allowed for VOUT to rise above VOUT_UV_FAULT_LIMIT after TON_DELAY. R/W Word Y L11 ms l 10.0ms 0xD280 84 TON_MAX_FAULT_RESPONSE 0x63 Fault response when TON_MAX_FAULT_ LIMIT is exceeded. R/W Byte Y Reg l 0xB8 98 TOFF_DELAY 0x64 Delay from RUN pin or OPERATION off command to TOFF_FALL ramp start. R/W Word Y L11 ms l 0.0ms 0x8000 84 STATUS_BYTE 0x78 One-byte channel status summary. R/W Byte Y Reg 86 STATUS_WORD 0x79 Two-byte channel status summary. R/W Word Y Reg 87 STATUS_VOUT 0x7A VOUT fault and warning status. R/W Byte Y Reg 87 STATUS_IOUT 0x7B IOUT fault and warning status. R/W Byte Y Reg 88 STATUS_INPUT 0x7C Input supply fault and warning status. R/W Byte N Reg 88 STATUS_ TEMPERATURE 0x7D External temperature fault and warning status. R/W Byte Y Reg 88 STATUS_CML 0x7E Communication, memory and logic fault and warning status. R/W Byte N Reg 89 STATUS_MFR_ SPECIFIC 0x80 IC-specific status. R/W Byte Y Reg 89 READ_VIN 0x88 Measured VIN. R Word N L11 V 92 READ_VOUT 0x8B Measured VOUT. R Word Y L16 V 93 READ_IOUT 0x8C Measured IOUT. R Word Y L11 A 93 READ_TEMPERATURE_1 0x8D Measured external temperature. R Word Y L11 °C 94 READ_TEMPERATURE_2 0x8E Measured internal temperature. R Word N L11 °C 94 READ_FREQUENCY 0x95 Measured PWM input clock frequency. R Word Y L11 kHz 94 PMBUS_REVISION 0x98 Supported PMBus version. R Byte N Reg 0x22 V1.2 69 MFR_ID 0x99 Manufacturer identification. R String N ASC LTC 104 IC_DEVICE_ID 0xAD LTC3888-1 model number. R String N ASC LTC3888-1 104 Commands for Digital Output Voltage Control (See Applications Information or PMBus Command for Details) VOUT_MODE 0x20 Voltage-related format (Linear) and exponent. R Byte Y Reg 0x14 2–12 82 VOUT_COMMAND 0x21 Default Nominal VFB regulation. Nominal VOUT value when VOUT_SCALE_LOOP is defined. R/W Word Y L16 V l 400mV 0x0666 82 VOUT_MAX 0x24 Maximum VOUT capability. R Word Y L16 V 1.1V 0x119A 82 |
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