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ISL68227IRAZ Datasheet(PDF) 72 Page - Renesas Technology Corp

Part # ISL68227IRAZ
Description  Digital Single Output,12-Phase PWM Controller
PDF  100 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL68227IRAZ Datasheet(HTML) 72 Page - Renesas Technology Corp

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ISL68227
10. PMBus Command Detail
FN9333 Rev.1.00
Page 72 of 99
Oct.1.20
10.50 STATUS_WORD (79h)
Definition: Returns a summary of the device status. Based on the information in these bytes, the host can get
more information by reading the appropriate status registers. Depending on the setting of the PAGE command,
this command returns information about individual rails or a global summary of all rail statuses. The low byte of
the STATUS_WORD is the same as the STATUS_BYTE (78h) command.
Access: Paged and Global
Data Length in Bytes: 2
Data Format: Bit Field
Type: Read Only
Command
STATUS_WORD (79h)
Format
Bit Field
Bit Position
15
14
13
12
11
10
987
6543
210
Access
RRRR
RRRRR
RRRRR
RR
Function
See Following Table
Bit Number
Status Bit Name
Meaning
15
VOUT
An output voltage fault or warning occurred.
14
IOUT
An output current fault occurred.
13
INPUT
An input voltage fault or warning occurred.
12
MFR_SPECIFIC
A manufacturer specific fault or warning occurred.
11
POWER_GOOD #
The POWER_GOOD signal is negated (Note 8)
10:9
Not Supported
Not supported
8
Unknown
A fault other than those described in Bits[15:9] occurred.
7
Busy
Device busy and unable to respond
6
OFF
This bit is asserted if the unit is not providing power to the output, regardless of the
reason, including simply not being enabled.
5
VOUT_OV_FAULT
An output overvoltage fault occurred.
4
IOUT_OC_FAULT
An output overcurrent fault occurred.
3
VIN_UV_FAULT
An input undervoltage fault occurred.
2
TEMPERATURE
A temperature fault or warning occurred.
1
CML
A communications, memory, or logic fault occurred.
0
None of the Above
A status change other than those listed above occurred.
Note:
8. If the POWER_GOOD# Bit is set, this indicates that the POWER_GOOD signal is signaling that the output power is not good.



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