9.1 List of supported PMBus command set
The following shows the list of PMBus command to be supported.
Table 9-1 Supported command and setting
139
[
℃
]
25
OT_FAULT_LIMIT
4F h
R/W
Word
Linear(Temp)
24
IOUT_OC_WARN_LIMIT
4A h
R/W
Word
Linear(Iout)
*4
[A]
[V]
23
VOUT_UV_FAULT_RESPONSE
45 h
R/W
Byte
-
B8 h
-
*4
[V]
22
VOUT_UV_FAULT_LIMIT
44 h
R/W
Word
Linear(Vo)
*4
21
VOUT_UV_WARN_LIMIT
43 h
R/W
Word
Linear(Vo)
20
VOUT_OV_WARN_LIMIT
42 h
R/W
Word
Linear(Vo)
*4
[V]
[V]
19
VOUT_OV_FAULT_RESPONSE
41 h
R/W
Byte
-
B8 h
-
32.0
[V]
18
VOUT_OV_FAULT_LIMIT
40 h
R/W
Word
Linear(Vo)
*4
17
VIN_OFF
36 h
R/W
Word
Linear(Vin)
only CHS400/500-I
16
VIN_ON
35 h
R/W
Word
Linear(Vin)
34.5
[V]
[V]
only CHS400/500-I
15
VOUT_MARGIN_LOW
26 h
R/W
Word
Linear(Vo)
*4
[V]
14
VOUT_MARGIN_HIGH
25 h
R/W
Word
Linear(Vo)
13
VOUT_MAX
24 h
R/W
Word
Linear(Vo)
*4
[V]
*4
[V]
only CHS400/500-I
only CHS400/500-I
*4
only CHS400/500-I
12
VOUT_TRIM
22 h
R/W
Word
Linear(Vo)
11
Word
Linear(Vo)
10
VOUT_MODE
20 h
Read
Byte
*4
14 h
VOUT_COMMAND
21 h
R/W
[V]
SMBALERT_MASK
-
-
-
-
-
Byte
00 h
-
8
CAPABILITY
19 h
Read
Byte
-
B0 h
-
-
7
RESTORE_USER_ALL
16 h
Send
-
-
-
-
-
-
6
STORE_USER_ALL
15 h
Send
-
-
-
5
RESTORE_DEFAULT_ALL
12 h
Send
-
-
R/W
Byte
-
00 h
-
3
CLEAR_FAULTS
03 h
Send
-
-
-
-
-
2
ON_OFF_CONFIG
02 h
R/W
Byte
-
1D h
-
Initial
setting
Unit
Note
1
OPERATION
01 h
R/W
Byte
-
80 h
#
PMBus command
Code
(*1)
Type
(*2)
Data
length
(*3)
Data format
4
WRITE_PROTECT
10 h
Byte
-
00 h
-
02 h
-
Byte
-
Byte
-
00 h
-
Byte
-
FF h
Byte
-
-
-
STATUS_INPUT
R/W
08 h
9
STATUS_BYTE
STATUS_WORD (8bit)
STATUS_VOUT
STATUS_IOUT
-
-
STATUS_CML
STATUS_TEMPERATURE
Byte
-
00 h
-
1B h
2.1 Pin configuration
9. PMBus software specifications
Applications manual
For CHS300/400/500-
I
series
- 20 -