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LTC2977 Datasheet(PDF) 59 Page - Analog Devices

Part # LTC2977
Description  30V to 58V Input, Dual 30A, Single 60A 關Module Regulator with Digital Power System Management
PDF  138 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2977 Datasheet(HTML) 59 Page - Analog Devices

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LTM4664A
59
Rev. 0
For more information www.analog.com
PMBus COMMAND SUMMARY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
PAGE
TON_DELAY
0x60 Time from RUN and/or Operation on to
output rail turn-on.
R/W Word
Y
L11
ms
Y
0.0
0x8000
106
TON_RISE
0x61 Time from when the output starts to rise
until the output voltage reaches the VOUT
commanded value.
R/W Word
Y
L11
ms
Y
3
0xC300
106
TON_MAX_FAULT_LIMIT
0x62 Maximum time from the start of
TON_RISE for VOUT to cross the
VOUT_UV_FAULT_LIMIT.
R/W Word
Y
L11
ms
Y
5
0xCA80
107
TON_MAX_FAULT_
RESPONSE
0x63 Action to be taken by the device when a
TON_ MAX_FAULT event is detected.
R/W Byte
Y
Reg
Y
0xB8
112
TOFF_DELAY
0x64 Time from RUN and/or Operation off to the
start of TOFF_FALL ramp.
R/W Word
Y
L11
ms
Y
0.0
0x8000
107
TOFF_FALL
0x65 Time from when the output starts to fall
until the output reaches zero volts.
R/W Word
Y
L11
ms
Y
3
0xC300
107
TOFF_MAX_WARN_ LIMIT
0x66 Maximum allowed time, after TOFF_FALL
completed, for the unit to decay below
12.5%.
R/W Word
Y
L11
ms
Y
0
0x8000
108
STATUS_BYTE
0x78 One byte summary of the unit’s fault
condition.
R/W Byte
Y
Reg
NA
120
STATUS_WORD
0x79 Two byte summary of the unit’s fault
condition.
R/W Word
Y
Reg
NA
121
STATUS_VOUT
0x7A Output voltage fault and warning status.
R/W Byte
Y
Reg
NA
121
STATUS_IOUT
0x7B Output current fault and warning status.
R/W Byte
Y
Reg
NA
122
STATUS_INPUT
0x7C Input supply fault and warning status.
R/W Byte
N
Reg
NA
122
STATUS_TEMPERATURE
0x7D External temperature fault and warning
status for READ_TEMERATURE_1.
R/W Byte
Y
Reg
NA
123
STATUS_CML
0x7E Communication and memory fault and
warning status.
R/W Byte
N
Reg
NA
123
STATUS_MFR_SPECIFIC
0x80 Manufacturer specific fault and state
information.
R/W Byte
Y
Reg
NA
124
READ_VIN
0x88 Measured input supply voltage.
R Word
N
L11
V
NA
127
READ_IIN
0x89 Measured input supply current.
R Word
N
L11
A
NA
127
READ_VOUT
0x8B Measured output voltage.
R Word
Y
L16
V
NA
127
READ_IOUT
0x8C Measured output current.
R Word
Y
L11
A
NA
127
READ_TEMPERATURE_1
0x8D External temperature sensor temperature.
This is the value used for all temperature
related processing, including
IOUT_CAL_GAIN.
R Word
Y
L11
C
NA
127
READ_TEMPERATURE_2
0x8E Internal die junction temperature. Does
not affect any other commands.
R Word
N
L11
C
NA
127
READ_FREQUENCY
0x95 Measured PWM switching frequency.
R Word
Y
L11
Hz
NA
127
READ_POUT
0x96 Measured output power
R Word
Y
L11
W
N/A
127
READ_PIN
0x97 Calculated input power
R Word
Y
L11
W
N/A
128
PMBus_REVISION
0x98 PMBus revision supported by this device.
Current revision is 1.2.
R Byte
N
Reg
0x22
118
MFR_ID
0x99 The manufacturer ID of the LTM4664A in
ASCII.
R String
N
ASC
LTC
118



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