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LTM2987 Datasheet(PDF) 27 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) 27 Page - Analog Devices

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LTC2971
27
Rev. 0
For more information www.analog.com
Summary Table
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT
(Note 1) UNITS EEPROM
DEFAULT
VALUE:
FLOAT HEX
(Note 2)
REF
PAGE
PAGE
0x00 Channel or page currently selected for any
command that supports paging.
R/W Byte
N
Reg
0x00
33
OPERATION
0x01 Operating mode control. On/Off, Margin High
and Margin Low.
R/W Byte
Y
Reg
Y
0x00
39
ON_OFF_CONFIG
0x02 CONTROL pin and PMBus on/off command
setting.
R/W Byte
Y
Reg
Y
0x1E
40
CLEAR_FAULTS
0x03 Clear any fault bits that have been set.
Send Byte
Y
NA
70
WRITE_PROTECT
0x10 Level of protection provided by the device
against accidental changes.
R/W Byte
N
Reg
Y
0x00
34
STORE_USER_ALL
0x15 Store entire operating memory to EEPROM. Send Byte
N
NA
48
RESTORE_USER_ALL
0x16 Restore entire operating memory from
EEPROM.
Send Byte
N
NA
48
CAPABILITY
0x19 Summary of PMBus optional communication
protocols supported by this device.
R Byte
N
Reg
0xB0
90
VOUT_MODE
0x20 Output voltage data format and mantissa
exponent.
R Byte
Y
Reg
2–10 0x16
2–13 0x13
55
VOUT_COMMAND
0x21 Servo target. Nominal DC/DC converter
output voltage setpoint.
R/W Word
Y
L16
V
Y
12.0 0x3000
1.0 0x2000
55
VOUT_MAX
0x24 Upper limit on the output voltage the unit
can command regardless of any other
commands.
R/W Word
Y
L16
V
Y
15.0 0x3C00
4.0 0x8000
55
VOUT_MARGIN_HIGH
0x25 Margin high DC/DC converter output voltage
setting.
R/W Word
Y
L16
V
Y
12.6 0x3266
1.05 0x219A
55
VOUT_MARGIN_LOW
0x26 Margin low DC/DC converter output voltage
setting.
R/W Word
Y
L16
V
Y
11.4 0X2D9A
0.95 0x1E66
55
VIN_ON
0x35 Input voltage above which power conversion
can be enabled.
R/W Word
N
L11
V
Y
10.0
0xD280
51
VIN_OFF
0x36 Input voltage below which power conversion
is disabled. Both VOUT_EN pins go off
immediately or sequence off after TOFF_
DELAY (See Mfr_config_track_enn).
R/W Word
N
L11
V
Y
9.0
0xD240
51
IOUT_CAL_GAIN
0x38 The nominal resistance of the current sense
element in mΩ.
R/W Word
Y
L11
mΩ
Y
1.0
0xBA00
56
IOUT_CAL_OFFSET
0x39 Offset applied to the current sense
measurement in Amps.
R/W Word
Y
L11
A
Y
0
0x8000
56
VOUT_OV_FAULT_LIMIT 0x40 Output overvoltage fault limit.
R/W Word
Y
L16
V
Y
13.2 0x34CD
1.1 0x2333
55
VOUT_OV_FAULT_
RESPONSE
0x41 Action to be taken by the device when an
output overvoltage fault is detected.
R/W Byte
Y
Reg
Y
0x80
66
VOUT_OV_WARN_LIMIT 0x42 Output overvoltage warning limit.
R/W Word
Y
L16
V
Y
12.9 0x339A
1.075 0x2266
51
VOUT_UV_WARN_LIMIT 0x43 Output undervoltage warning limit.
R/W Word
Y
L16
V
Y
11.1 0x2C66
0.925 0x1D9A
51
PMBus COMMAND SUMMARY



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