Q48SG12034NRFA Datasheet, PDF (17/26 Pages) Delta Electronics, Inc. – Delphi Series Q48SG Quarter Brick Family Full Digital Control DC/DC Power Modules:

FEATURES DESCRIPTIONS (CON.)
OPERATION [0x01]
Bit number
Purpose
Bit Value
Meaning
7:
Enable/Disable the module
1
Output is enabled
Default Settings，
0x80
1
0
Output is disabled
6:0
Reserved
0000000
ON_OFF_CONFIG [0x02]
Bit number
Purpose
7:5
Reserved
Bit Value
Meaning
Default Settings，
0x1D (negative)
/0x1F (positive)
000
4
Controls how the unit responds to
1
Module does not power up until commanded by
1
the primary on/off pin and the
the primary ON/OFF pin and the OPERATION
OPERATION command;
0
Module power up at any time regardless of the
state of the primary ON/OFF pin and the
OPERATION
3
Controls how the unit responds to
1
Module responds to the 7 bit in the OPERATION
1
the OPERATION command
0
Module ignores the 7 bit in the OPERATION
2
Controls how the unit
Module requires the primary ON/OFF pin to be
1
1
responds to the primary on/off pin
asserted to start the unit
Module ignores the state of the primary ON/OFF
0
pin
1
Control logic of primay on/off pin
1
Positive Logic
0
Negative Logic
0, negative;
1, positive.
0
Unit turn off delay time control
1
Shut down the module with 0 delay cycle
1
VOUT_OV_FAULT_RESPONSE [0x41]
Bit number
Purpose
7:6
Response settings
5:3
Retry setting
Bit Value
10
111
000
Meaning
Unit shuts down and responds according to the
retry settings
Unit continuously restarts while fault is present
until commanded off
Unit does not attempt to restart on fault
Default Settings，
0xB8
10
111
2:0
Delay time setting
000
No delay supported
000
IOUT_OC_FAULT_RESPONSE [0x47]
Bit number
Purpose
7:6
Response settings
5:3
Retry settings
2:0
Delay time setting
Bit Value
11
111
000
000
Meaning
Unit shuts down and responds according to the
retry settings
Unit continuously restarts while fault is present
until commanded off
Unit does not attempt to restart on fault
No delay supported
Default Settings，
0xF8
11,
111
000
17
DS_Q48SG12034_06272013