參數(shù)資料
型號(hào)： LM25066PSQX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, QCC24
封裝： LLP-24
文件頁數(shù)： 20/48頁
文件大小： 1456K
代理商： LM25066PSQX
PMBus Command Support
The device features an SMBus interface that allows the use
of PMBus commands to set warn levels, error masks, and
get telemetry on V
IN, VOUT, IIN, VAUX, and PIN. The supported
PMBus commands are shown in Table 1.
TABLE 1. Supported PMBus Commands
Code
Name
Function
R/W
Number
Of Data
Bytes
Default
Value
01h
OPERATION
Retrieves or stores the operation status.
R/W
1
80h
03h
CLEAR_FAULTS
Clears the status registers and re-arms the black box
registers for updating.
Send
Byte
0
19h
CAPABILITY
Retrieves the device capability.
R
1
B0h
43h
VOUT_UV_WARN_LIMIT
Retrieves or stores output under-voltage warn limit threshold.
R/W
2
0000h
4Fh
OT_FAULT_LIMIT
Retrieves or stores over-temperature fault limit threshold.
R/W
2
0960h
(150°C)
51h
OT_WARN_LIMIT
Retrieves or stores over-temperature warn limit threshold.
R/W
2
07D0h
(125°C)
57h
VIN_OV_WARN_LIMIT
Retrieves or stores input over-voltage warn limit threshold.
R/W
2
0FFFh
58h
VIN_UV_WARN_LIMIT
Retrieves or stores input under-voltage warn limit threshold.
R/W
2
0000h
78h
STATUS_BYTE
Retrieves information about the part operating status.
R
1
49h
79h
STATUS_WORD
Retrieves information about the part operating status.
R
2
3849h
7Ah
STATUS_VOUT
Retrieves information about output voltage status.
R
1
00h
7Ch
STATUS_INPUT
Retrieves information about input status.
R
1
10h
7Dh
STATUS_TEMPERATURE
Retrieves information about temperature status.
R
1
00h
7Eh
STATUS_CML
Retrieves information about communications status.
R
1
00h
80h
STATUS_MFR_SPECIFIC
Retrieves information about circuit breaker and MOSFET
shorted status.
R
1
10h
88h
READ_VIN
Retrieves input voltage measurement.
R
2
0000h
8Bh
READ_VOUT
Retrieves output voltage measurement.
R
2
0000h
8Dh
READ_TEMPERATURE_1
Retrieves temperature measurement.
R
2
0190h
99h
MFR_ID
Retrieves manufacturer ID in ASCII characters (NSC).
R
3
4Eh
53h
43h
9Ah
MFR_MODEL
Retrieves Part number in ASCII characters. (LM25066).
R
8
4Ch
4Dh
32h
35h
30h
36h
0h
9Bh
MFR_REVISION
Retrieves part revision letter/number in ASCII (e.g. AA).
R
2
41h
D0h
MFR_SPECIFIC_00
READ_VAUX
Retrieves auxiliary voltage measurement.
R
2
0000h
D1h
MFR_SPECIFIC_01
MFR_READ_IIN
Retrieves input current measurement.
R
2
0000h
D2h
MFR_SPECIFIC_02
MFR_READ_PIN
Retrieves input power measurement.
R
2
0000h
D3h
MFR_SPECIFIC_03
MFR_IIN_OC_WARN_LIMIT
Retrieves or stores input current limit warn threshold.
R/W
2
0FFFh
D4h
MFR_SPECIFIC_04
MFR_PIN_OP_WARN_LIMIT
Retrieves or stores input power limit warn threshold.
R/W
2
0FFFh
27
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LM25066
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