lm5066pmhx National Semiconductor Corporation, lm5066pmhx Datasheet - Page 27

• Manufacturer Part Number: lm5066pmhx
• Description: High Voltage System Power Management And Protection Ic With Pmbus
• Manufacturer: National Semiconductor Corporation

PMBus ™ Command Support
The device features an SMBus interface that allows the use
of PMBus commands to set warn levels, error masks, and get
Code
7Ch
7Dh
8Dh
D0h
D1h
D2h
D3h
4Fh
7Ah
7Eh
8Bh
9Ah
9Bh
01h
03h
19h
43h
51h
57h
58h
78h
79h
80h
88h
99h
MFR_IIN_OC_WARN_LIMIT
STATUS_TEMPERATURE
READ_TEMPERATURE_1
STATUS_MFR_SPECIFIC
VOUT_UV_WARN_LIMIT
VIN_OV_WARN_LIMIT
VIN_UV_WARN_LIMIT
MFR_SPECIFIC_00
MFR_SPECIFIC_01
MFR_SPECIFIC_02
MFR_SPECIFIC_03
OT_FAULT_LIMIT
OT_WARN_LIMIT
CLEAR_FAULTS
STATUS_WORD
MFR_READ_PIN
STATUS_INPUT
MFR_REVISION
MFR_READ_IIN
STATUS_VOUT
STATUS_BYTE
STATUS_CML
MFR_MODEL
READ_VOUT
READ_VAUX
OPERATION
CAPABILITY
READ_VIN
MFR_ID
Name
Retrieves or stores over temperature warn limit threshold.
Retrieves or stores input over-voltage warn limit threshold.
Retrieves Part number in ASCII characters. (LM5066\0\0).
Retrieves or stores over temperature fault limit threshold.
Retrieves information about circuit breaker and MOSFET
Retrieves part revision letter/number in ASCII (e.g., AA).
Retrieves information about the parts operating status.
Retrieves information about the parts operating status.
Retrieves manufacturer ID in ASCII characters (NSC).
TABLE 1. Supported PMBus Commands
Clears the status registers and re-arms the Black Box
Retrieves or stores input current limit warn threshold.
Retrieves information about communications status.
Retrieves or stores output under-voltage warn limit
Retrieves information about output voltage status.
Retrieves or stores input under-voltage warn limit
Retrieves information about temperature status.
Retrieves auxiliary voltage measurement.
Retrieves information about input status.
Retrieves or stores the operation status.
Retrieves output voltage measurement.
Retrieves input voltage measurement.
Retrieves input current measurement.
Retrieves temperature measurement.
Retrieves input power measurement.
Retrieves the device capability.
registers for updating.
shorted status.
27
threshold.
threshold.
Function
telemetry on V
Bus commands are shown in Table 1.
IN
, V
OUT
, I
IN
, V
AUX
, and P
Send
R/W
R/W
Byte
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
IN
. The supported PM-
Number
Of Data
Bytes
1
0
1
2
2
2
2
2
1
2
1
1
1
1
1
2
2
2
3
8
2
2
2
2
2
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Default
(150°C)
(125°C)
07D0h
0FFFh
0FFFh
0000h
0960h
0000h
3849h
0000h
0000h
0190h
0000h
0000h
0000h
Value
B0h
4Eh
4Ch
4Dh
80h
49h
00h
10h
00h
00h
10h
53h
43h
35h
30h
36h
36h
41h
41h
0h
0h