9.2 Setting and reading value for PMBus command
Possible range and accuracy on setting and reading each PMBus command to be supported
is shown at Table 9-2.
Table 9-2 Setting range and accuracy by command
Rated input
±5% Pin or ±10W
Rated input and output,
50
～
100%Io
(only CHS400/500-I)
97 h
READ_PIN
30
±7% Pin or ±10W
[W]
1023
0
[A]
[V]
±3 A
-40
～
0
℃
(only CHS3004810-I)
Rated input
Rated input and output,
50
～
100%Io
28
29
READ_VOUT
READ_IOUT
IOUT_OC_WARN_LIMIT
4A h
8C h
27
8B h
25
*3
[A]
±3 A
±10% Pin or ±15W
16
Setting / Reading
range
(*2)
READ_TEMPERATURE_1
8D h
[
̊
C]
-256
-256
±5
℃
0
±2% Vo
0
127
±3% Vo
±2 A
±5%
26
READ_VIN
88 h
0
128
[V]
±3% Vin
TON_MAX_FAULT_LIMIT
62 h
30
500
[ms]
24
TON_RISE
61 h
0
500
[ms]
±5%
±5%
only CHS400-I
23
TON_DELAY
60 h
0
500
[ms]
±2%
22
POWER_GOOD_OFF
5F h
*3
*3
[V]
±2%
21
POWER_GOOD_ON
5E h
*3
*3
[V]
20
VIN_UV_FAULT_LIMIT
59 h
32
100
[V]
±3% Vin
±3% Vin
19
VIN_UV_WARN_LIMIT
58 h
32
100
[V]
±3% Vin
18
VIN_OV_WARN_LIMIT
57 h
32
100
[V]
±3% Vin
17
VIN_OV_FAULT_LIMIT
55 h
32
100
[V]
16
UT_FAULT_LIMIT
53 h
-45
20
[
̊
C]
±5
̊
C
±5
̊
C
15
UT_WARN_LIMIT
52 h
-45
20
[
̊
C]
±5
̊
C
14
OT_WARN_LIMIT
51 h
-45
139
[
̊
C]
±5
̊
C
13
OT_FAULT_LIMIT
4F h
-45
139
[
̊
C]
±2 A
±2% Vo
12
11
VOUT_UV_FAULT_LIMIT
44 h
*3
*3
*3
[V]
±2% Vo
±2% Vo
10
VOUT_UV_WARN_LIMIT
43 h
*3
*3
[V]
9
VOUT_OV_WARN_LIMIT
42 h
*3
*3
[V]
8
VOUT_OV_FAULT_LIMIT
40 h
*3
*3
[V]
±2% Vo
±3% Vin
7
VIN_OFF
36 h 32.0
46.0
[V]
±2% Vo
only CHS400/500-I
6
VIN_ON
35 h 32.0
46.0
[V]
±2% Vo
±2% Vo
±3% Vin
5
VOUT_MARGIN_LOW
26 h
*3
*3
[V]
4
VOUT_MARGIN_HIGH
25 h
*3
*3
[V]
3
VOUT_MAX
24 h
*3
*3
[V]
VOUT_TRIM
22 h
*3
*3
[V]
only CHS400/500-I
only CHS400/500-I
only CHS400/500-I
1
VOUT_COMMAND
21 h
*3
*3
±2% Vo
only CHS400/500-I
2
#
PMBus command
Code
(*1)
Setting / Reading
accuracy
±2% Vo
Note
Min
Max
Unit
[V]
Applications manual
For CHS300/400/500-
I
series
- 23 -
