Q54SG Datasheet, PDF (17/26 Pages) Delta Electronics, Inc. – Industry standard, DOSA compliant pin out

FEATURES DESCRIPTIONS (CON.)
OPERATION [0x01]
Bit number
Purpose
Bit Value
Meaning
7:
Enable/Disable the module
1
Output is enabled
0
Output is disabled
Default Settings，
0x80
1
6:0
Reserved
ON_OFF_CONFIG [0x02]
Bit number
Purpose
Bit Value
Meaning
7:5
Reserved
4
Controls how the unit responds to
the primary on/off pin and the
OPERATION command;
3
Controls how the unit responds to
the OPERATION command
1
Module does not power up until commanded by
the primary ON/OFF pin and the OPERATION
0
Module power up at any time regardless of the
state of the primary ON/OFF pin and the
OPERATION
1
Module responds to the 7 bit in the OPERATION
0
Module ignores the 7 bit in the OPERATION
0000000
Default Settings，
0x1D (negative)
/0x1F (positive)
000
1
1
2
Controls how the unit
1
Module requires the primary ON/OFF pin to be
responds to the primary on/off pin
asserted to start the unit
0
Module ignores the state of the primary ON/OFF
pin
1
Control logic of primay on/off pin
1
Positive Logic
0
Negative Logic
1
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
2:0
Delay time setting
Bit Value
10
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，
0xB8
10
111
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_Q54SG12050_09092016