Datasheet

LTC3880/LTC3880-1
90
3880fc
For more information www.linear.com/LTC3880
IDENTIFICATION
COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
PMBUS_REVISION 0x98 PMBus revision supported by this device. Current revision
is 1.1.
R Byte N Reg 0x11
CAPABILITY 0x19 Summary of PMBus optional communication protocols
supported by this device.
R Byte N Reg 0xB0
MFR_ID 0x99 The manufacturer ID of the LTC3880 in ASCII. R String N ASC LTC
MFR_MODEL 0x9A Manufacturer part number in ASCII. R String N ASC LTC3880
MFR_SERIAL 0x9E Serial number of this specific unit in ASCII. R Block N CF NA
MFR_SPECIAL_ID 0xE7 Manufacturer code representing the LTC3880. R Word N Reg 0x40X
PMBus_REVISION
The PMBUS_REVISION command indicates the revision of the PMBus to which the device is compliant. The LTC3880
is PMBus Version 1.1 compliant in both Part I and Part II.
This read-only command has one data byte.
CAPABILITY
This command provides a way for a host system to determine some key capabilities of a PMBus device.
The LTC3880 supports packet error checking, 400kHz bus speeds, and ALERT pin.
This read-only command has one data byte.
MFR_ID
The MFR_ID command indicates the manufacturer ID of the LTC3880 using ASCII characters.
This read-only command is in block format.
MFR_MODEL
The MFR_MODEL command indicates the manufacturer’s part number of the LTC3880 using ASCII characters.
This read-only command is in block format.
MFR_SERIAL
The MFR_SERIAL command contains up to 9 bytes of custom formatted data used to uniquely identify the LTC3880
configuration.
This read-only command is in block format.
MFR_SPECIAL_ID
The 16-bit word representing the part name. 0x402 denotes the part is an LTC3880, X is adjustable by the manufacturer.
This read-only command has 2 data bytes.
PMBus COMMAND DETAILS