Datasheet

LTC2974
23
2974fc
For more information www.linear.com/LTC2974
Summary Table
COMMAND NAME
CMD
CODE DESCRIPTION TYPE PAGED
DATA
FORMAT UNITS EEPROM
DEFAULT
VALUE:
FLOAT
HEX
REF
PAGE
VOUT_UV_FAULT_RESPONSE 0x45 Action to be taken by the device when an
output undervoltage fault is detected.
R/W Byte Y Reg Y 0x7F
54
IOUT_OC_FAULT_LIMIT 0x46 Output overcurrent fault limit. R/W Word Y L11 A Y 10.0
0xD280
46
IOUT_OC_FAULT_RESPONSE 0x47 Action to be taken by the device when an
output overcurrent fault is detected.
R/W Byte Y Reg Y 0x00
54
IOUT_OC_WARN_LIMIT 0x4A Output overcurrent warning limit. R/W Word Y L11 A Y 5.0
0xCA80
46
IOUT_UC_FAULT_LIMIT 0x4B Output undercurrent fault limit. Used to
detect a reverse current and must be a
negative value.
R/W Word Y L11 A Y -1.0
0xBE00
46
IOUT_UC_FAULT_RESPONSE 0x4C Action to be taken by the device when an
output undercurrent fault is detected.
R/W Byte Y Reg Y 0x00
54
OT_FAULT_LIMIT 0x4F Overtemperature fault limit for the external
temperature sensor.
R/W Word Y L11 °C Y 65.0
0xEA08
48
OT_FAULT_RESPONSE 0x50 Action to be taken by the device when an
overtemperature fault is detected on the
external temperature sensor.
R/W Byte Y Reg Y 0xB8
54
OT_WARN_LIMIT 0x51 Overtemperature warning limit for the
external temperature sensor
R/W Word Y L11 °C Y 60.0
0xE3C0
48
UT_WARN_LIMIT 0x52 Undertemperature warning limit for the
external temperature sensor.
R/W Word Y L11 °C Y 0
0x8000
48
UT_FAULT_LIMIT 0x53 Undertemperature fault limit for the
external temperature sensor.
R/W Word Y L11 °C Y –5.0
0xCD80
48
UT_FAULT_RESPONSE 0x54 Action to be taken by the device when an
undertemperature fault is detected on the
external temperature sensor.
R/W Byte Y Reg Y 0xB8
54
VIN_OV_FAULT_LIMIT 0x55 Input overvoltage fault limit measured at
VIN_SNS pin.
R/W Word N L11 V Y 15.0
0xD3C0
43
VIN_OV_FAULT_RESPONSE 0x56 Action to be taken by the device when an
input overvoltage fault is detected.
R/W Byte N Reg Y 0x80
54
VIN_OV_WARN_LIMIT 0x57 Input overvoltage warning limit measured
at VIN_SNS pin.
R/W Word N L11 V Y 14.0
0xD380
43
VIN_UV_WARN_LIMIT 0x58 Input undervoltage warning limit
measured at VIN_SNS pin.
R/W Word N L11 V Y 0
0x8000
43
VIN_UV_FAULT_LIMIT 0x59 Input undervoltage fault limit measured at
VIN_SNS pin.
R/W Word N L11 V Y 0
0x8000
43
VIN_UV_FAULT_RESPONSE 0x5A Action to be taken by the device when an
input undervoltage fault is detected.
R/W Byte N Reg Y 0x00
54
POWER_GOOD_ON 0x5E Output voltage at or above which a power
good should be asserted.
R/W Word Y L16 V Y 0.96
0x1EB8
44
POWER_GOOD_OFF 0x5F Output voltage at or below which a power
good should be de-asserted when Mfr_
config_all_pwrgd_off_uses_uv is clear.
R/W Word Y L16 V Y 0.94
0x1E14
44
pMbus coMManD suMMary