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ISL8274MEVAL1Z Datasheet(PDF) 38 Page - Renesas Technology Corp

Part # ISL8274MEVAL1Z
Description  30A/30A Dual-Channel Digital PMBus Step-Down Power Module
PDF  81 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL8274MEVAL1Z Datasheet(HTML) 38 Page - Renesas Technology Corp

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FN8931 Rev.1.00
Page 38 of 81
Jan 4, 2018
ISL8274M
6. PMBus Command Summary
59h
VIN_UV_FAULT_LIMIT
Sets the VIN
undervoltage fault
threshold.
R/W
Word
L11
Pin-strap
page 53
5Ah
VIN_UV_FAULT_RESPONSE
Configures the VIN
undervoltage fault
response.
R/W
Byte
BIT
80h
Disable and
No Retry
page 53
5Eh
POWER_GOOD_ON
Sets the voltage
threshold for
power-good
indication.
R/W
Word
L16u
0.9*VOUT
Pin-strap
page 53
60h
TON_DELAY
Sets the delay time
from ENABLE to start
of VOUT rise.
R/W
Word
L11
Pin-strap
page 54
61h
TON_RISE
Sets the rise time of
VOUT after ENABLE
and TON_DELAY.
R/W
Word
L11
Pin-strap
page 54
64h
TOFF_DELAY
Sets the delay time
from DISABLE to
start of VOUT fall.
R/W
Word
L11
Pin-strap
page 54
65h
TOFF_FALL
Sets the fall time for
VOUT after DISABLE
and TOFF_DELAY.
R/W
Word
L11
Pin-strap
page 54
78h
STATUS_BYTE
Returns an
abbreviated status for
fast reads.
Read
Byte
BIT
00h
No Faults
page 55
79h
STATUS_WORD
Returns information
with a summary of
the units's fault
condition.
Read
Word
BIT
0000h
No Faults
page 56
7Ah
STATUS_VOUT
Returns the VOUT
specific status.
Read
Byte
BIT
00h
No Faults
page 56
7Bh
STATUS_IOUT
Returns the IOUT
specific status.
Read
Byte
BIT
00h
No Faults
page 57
7Ch
STATUS_INPUT
Returns specific
status specific to the
input.
Read
Byte
BIT
00h
No Faults
page 57
7Dh
STATUS_TEMP
Returns the
temperature specific
status.
Read
Byte
BIT
00h
No Faults
page 57
7Eh
STATUS_CML
Returns the
communication, logic
and memory specific
status.
Read
Byte
BIT
00h
No Faults
page 58
80h
STATUS_MFR_SPECIFIC
Returns the VMON
and external sync
clock specific status.
Read
Byte
BIT
00h
No Faults
page 58
88h
READ_VIN
Returns the input
voltage reading.
Read
Word
L11
page 58
8Bh
READ_VOUT
Returns the output
voltage reading.
Read
Word
L16u
page 59
8Ch
READ_IOUT
Returns the output
current reading.
Read
Word
L11
page 59
8Dh
READ_INTERNAL_TEMP
Returns the
temperature reading
internal to the device.
Read
Word
L11
page 59
94h
READ_DUTY_CYCLE
Returns the duty
cycle reading during
the ENABLE state.
Read
Word
L11
page 59
Command
Code
Command
Name
Description
Type
Data
Format
Default
Value
Default
Setting
Page



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