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LTM2987 Datasheet(PDF) 90 Page - Analog Devices

Part # LTM2987
Description  2-Channel 짹60V Power System Manager
PDF  114 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM2987 Datasheet(HTML) 90 Page - Analog Devices

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LTC2971
90
Rev. 0
For more information www.analog.com
CAPABILITY
The CAPABILITY command provides a way for a host system to determine some key capabilities of the LTC2971.
CAPABILITY Data Contents
BIT(S) SYMBOL
OPERATION
b[7] Capability_pec
Hard coded to 1 indicating Packet Error Checking is supported. Reading the Mfr_config_all_pec_en bit will indicate
whether PEC is currently required.
b[6:5] Capability_scl_max
Hard coded to 01b indicating the maximum supported bus speed is 400kHz.
b[4] Capability_smb_alert Hard coded to 1 indicating this device does have an ALERTB pin and does support the SMBus Alert Response Protocol.
b[3:0] Reserved
Always returns 0.
PMBUS_REVISION
PMBUS_REVISION Data Contents
BIT(S) SYMBOL
OPERATION
b[7:0] PMBus_rev
Reports the PMBus standard revision compliance. This is hard-coded to 0x11 for revision 1.1.
MFR_SPECIAL_ID
This register contains the manufacturer ID for the LTC2971. Always returns 0x032X (LTC2971), 0x033X (LTC2971-1),
0x034X (LTC2971-2) or 0x035X (LTC2971-3). The last nibble is adjusted by the manufacturer.
IDENTIFICATION/INFORMATION
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE PAGED FORMAT UNITS EEPROM
DEFAULT VALUE
REF
PAGE
CAPABILITY
0x19 Summary of PMBus optional communication
protocols supported by this device.
R Byte
N
Reg
0xB0
90
PMBUS_REVISION
0x98 PMBus revision supported by this device.
Current revision is 1.1.
R Byte
N
Reg
0x11
90
MFR_SPECIAL_ID
0xE7 Manufacturer code for identifying the
LTC2971.
R Word
N
Reg
Y
LTC2971 0x032X
LTC2971-1 0x033X
LTC2971-2 0x034X
LTC2971-3 0x035X
90
MFR_SPECIAL_LOT 0xE8 Customer dependent codes that identify
the factory programmed user configuration
stored in EEPROM. Contact factory for
default value.
R Byte
Y
Reg
Y
91
MFR_INFO
0xB6 Manufacturer Specific Information
R Word
N
Reg
NA
91
PMBus COMMAND DESCRIPTION



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