Q48SG12034NRFA Datasheet, PDF (13/26 Pages) Delta Electronics, Inc. – Delphi Series Q48SG Quarter Brick Family Full Digital Control DC/DC Power Modules:

FEATURES DESCRIPTIONS (CON.)
Compatible
Command
Comman
d Code
Command description
Transf
-er type
with
standard
PMBUS or
Data
Format
Default value
Range
limit
Data
units
Expon
-ent
Note
not?
Refer to
Turn the module on or off by
R/W
OPERATION
0x01
below Bit field
0x80
/
/
/
/
PMBUS command
byte
description;
0x1D
Configures the combination of
Refer to
R/W
(Neg Logic);
ON_OFF_CONFIG
0x02 primary on/off pin and PMBUS
below Bit field
/
/
/
/
byte
0x1F
command
description;
(Pos Logic);
Clear any fault bits that have
Send
CLEAR_FAULTS
0x03
Yes
/
/
/
/
/
/
been set
byte
This command is effective to the
Stores operating parameters
Send
STORE_DEFAULT_ALL
0x11
Yes
/
/
/
/
/ parameter of all command in the
from RAM to data flash
byte
table.
Restores operating parameters Send
This command can't be issued
RESTORE_DEFAULT_ALL 0x12
Yes
/
/
/
/
/
from data flash to RAM
byte
when the power unit is running.
Read
mode+
VOUT_MODE
0x20 To read Vo data format
Yes
0x14
/
/
/
/
byte
exp
R/W
Vout
9.6
VOUT_COMMAND
0x21 Set the output voltage
Yes
11.8
Volts -12
/
word
Linear
~13.2
Freque
R/W
120
FREQUENCY_SWITCH
0x33 Set the switching frequency
Yes
ncy
130
KHz -2
/
word
~140
Linear
VIN_ON
VIN_ON should be higher than
Set the turn on voltage threshold R/W
Vin
0x35
Yes
34
32~46 V
-3 VIN_OFF, and keep 2V
of Vin under voltage lockout
word
Linear
hystersis.
VIN_OFF
VIN_ON should be higher than
Set the turn off voltage threshold R/W
Vin
0x36
Yes
32
32~46 V
-3 VIN_OFF, and keep 2V
of Vin under voltage lockout
word
Linear
hystersis.
Must be higher than the value of
Set the output overvoltage fault R/W
Vout
VOUT_OV_FAULT_LIMIT
0x40
Yes
15
11~16 V -12 VOUT_COMMAND and
threshold.
word
Linear
VOUT_OV_WARN_LIMIT;
13
DS_Q48SG12034_06272013