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LT7184S 데이터시트(PDF) 44 Page - Analog Devices

부품명 LT7184S
상세설명  Dual Channel 9A, 16V PolyPhase Step-Down Silent Switcher 2 with Digital Power System Management
PDF  52 Pages
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LT7184S 데이터시트(HTML) 44 Page - Analog Devices

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Data Sheet
LT7184S
analog.com
Rev. 0
44 of 52
PMbus COMMAND SUMMARY
PMbus/I2C Serial Interface Summary
This data sheet provides an overview of some key features available via the LT7184S serial interface, but it is not
exhaustive. Refer to the companion document LT7184S PMBus/I2C Reference Manual, which provides a detailed
description of the available digital functionality. See Table 16 for supported PMBus commands. The data format
abbreviations are described at the end of this command summary. Floating point values listed in the DEFAULT
VALUE column are half-precision IEEE floating point numbers.
Paged commands control and report telemetry for the selected channel. Refer to the PMBUS Specification Revision
1.3.1 for more information.
Table 16. PMBus Command Summary
COMMAND
CODE
DESCRIPTION
TYPE
PAGED
FORMAT
UNITS
NVM
DEFAULT
PAGE
0x00
Provides integration with
multiple PMBus devices.
R/W
Byte
N
Register
0x00
OPERATION
0x01
Operating mode control.
On/Off, margin high, and
margin low.
R/W
Byte
Y
Register
Y
0x80
ON_OFF_CONFIG
0x02
RUN pin and PMBus on/off
command configuration.
R/W
Byte
Y
Register
Y
0x1E
CLEAR_FAULTS
0x03
Clear any fault bits that have
been set.
Send
Byte
N
PAGE_PLUS_WRITE
0x05
Write a command directly to
a specified page.
W Block
N
PAGE_PLUS_READ
0x06
Read a command directly
from a specified page.
Block
R/W
N
ZONE_CONFIG
0x07
Assigns the current page to
the specified zone number
for ZONE_WRITE operations.
W Word
Y
Register
Y
0xFEFE
ZONE_ACTIVE
0x08
Selects the active zone for
ZONE_WRITE operations.
W Word
Register
0xFEFE
WRITE_PROTECT
0x10
Level of protection provided
by the device against
accidental changes.
R/W
Byte
N
Register
Y
0x00
STORE_USER_ALL
0x15
Store user operating
memory to EEPROM.
Send
Byte
N
RESTORE_USER_ALL
0x16
Restore user operating
memory from EEPROM.
Send
Byte
N
CAPABILITY
0x19
Summary of PMBus optional
communication protocols
supported by this device.
R Byte
N
Register
0xD8
QUERY
0x1A
Asks if a given command is
supported and what data
formats are supported.
Block
R/W
N
Register
SMBALERT_MASK
0x1B
Asks if a given command is
supported and what data
formats are supported.
Block
R/W
N
Register
Y



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