參數(shù)資料
型號(hào)： LM25066PSQE
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?。?/td> 1456K
代理商： LM25066PSQE
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
www.national.com
LM25066
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