ADM1041ARQ AD [Analog Devices], ADM1041ARQ Datasheet - Page 42

• Manufacturer Part Number: ADM1041ARQ
• Description: Secondary-Side Controller with Current Share and Housekeeping
• Manufacturer: AD [Analog Devices]

ADM1041
DETAILED REGISTER DESCRIPTIONS
Table 9. Register 00h, Status1. Power-On Default XXh (Refer to the logic schematic—Figure 24.)
Bit No.
7
6
5
4
3
2
1
0
Table 10. Register 01h, Status2. Power-On Default XXh (Refer to the logic schematic—Figure 24.)
Bit No.
7
6
5
4
3
2
1
0
Table 11. Register 02h, Status3. Power-On Default XXh (Refer to the logic schematic—Figure 24.)
Bit No.
7
6
5
4
3
2
1
0
Table 12. Register 03h, Calibration Bits. Power-On Default from EEPROM Register 8103h during Power-Up.
Bit No.
7–6
5–4
3
2
Name
ovfault
uvfault
ocpto
mfg1
mfg2
mfg3
mfg4
mfg5
Name
Share_OK
OrFET_OK
REVERSE_OK
V
GND_OK
intrefok
extrefok
vddov
Name
m_acsns_r
m_pson_r
m_penok_r
m_psonok_r
m_DC_OK_r
ocpf
PULSE_OK
fault
Name
rev_volt_off
rev_volt_on
gatepen
gateramp
DD
_OK
R/W
R
R
R
R
R
R
R
R
R/W
R
R
R
R
R
R
R
R
R/W
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
Description
Reflects the status on AC
Reflects the status of PSON.
Reflects the status of PEN.
Status of PS
Status of DC_OK.
An overcurrent has occured, direct from comparator
Pulses are present at the PULSE pin.
Fault latch.
Description
Overvoltage fault has occurred.
Undervoltage fault has occurred.
Overcurrent has occured and timed out (ocpf is in Status3).
MON1 flag.
MON2 flag.
MON3 flag.
MON4 flag.
MON5 flag.
reverseok—No reverse voltage has occured across the ORing MOSFET.
Connection of GND pin is good.
Description
Current share is within limits.
ORing MOSFET is on.
V
Internal voltage reference is within limits.
External voltage reference is within limits.
V
DD
DD
is within limits .
is above its OV threshold.
Description
Reverse Voltage Detector Turn Off Threshold:
b7
0
0
1
1
Reverse Voltage Detector Turn On Threshold:
b5
0
0
1
1
Gatepen Option. When set, PEN is gated by acsok.
Gateramp Option. When set, soft-start is gated by acsok.
ON
LINK.
Rev. A | Page 42 of 64
b6
0
1
0
1
b4
0
1
0
1
SENSE
1/AC
SENSE
2.
Function
100 mV
150 mV
200 mV
250 mV
Function
20 mV
30 mV
40 mV
50 mV