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AN2511 Datasheet(PDF) 24 Page - STMicroelectronics

Part # AN2511
Description  This application note describes
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2511 Datasheet(HTML) 24 Page - STMicroelectronics

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PMBus interfacing results
AN2511
24/43
Doc ID 13286 Rev 2
4
PMBus interfacing results
This section describes the results of interfacing the demonstration board with Artesyn and
SiLabs modules.
4.1
Interfacing with Artesyn module
The following table shows the different PMBus commands and ST demonstration board
results compared to the Artesyn DPL20C PMbus module.
Table 41.
PMBus interfacing with Artesyn module: results
Command
code
PMBus command
SMBus transaction
type
Number
of data
bytes
Data
(Si8250)
Data
(ST7)
01
OPERATION
Read/ write byte
1
80
80
02
ON_OFF_CONFIG
Read/ write byte
1
14
14
03
CLEAR_FAULTS
Send byte
0
12
RESTORE_DEFAULT_
ALL
Send byte
0
15
STORE_USER_ALL
Send byte
0
20
VOUT_MODE
Read/ write byte
1
1 A
1 A
21
VOUT_COMMAND
Read/ write word
2
00 60
00 60
24
VOUT_MAX
Read/ write word
2
01 60
01 60
25
VOUT_MARGIN_HIGH
Read/ write word
2
00 6 A
00 6 A
26
VOUT_MARGIN_LOW
Read/ write word
2
00 56
00 56
42
VOUT_OV_WARN_LIM
IT
Read/ write word
2
00 6E
00 6E
43
VOUT_UV_WARN_LIM
IT
Read/ write word
2
00 56
00 56
46
IOUT_OC_FAULT_LI
MIT
Read/ write word
2
00 19
00 19
4A
IOUT_OC_WARN_LIM
IT
Read/ write word
2
00 17
00 17
4F
OT_FAULT_LIMIT
Read/ write word
2
00 78
00 78
50
OT_FAULT_RESPONS
E
Read/ write byte
1
B1
B1
51
OT_WARN_LIMIT
Read/ write word
2
00 6E
00 6E
60
TON_DELAY
Read/ write word
2
00 00
00 00
61
TON_RISE
Read/ write word
2
00 0A
00 0A
64
TOFF_DELAY
Read/ write word
2
00 00
00 00
65
TOFF_FALL
Read/ write word
2
00 00
00 00



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