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ADP1046AW Datasheet(PDF) 49 Page - Analog Devices

Part No. ADP1046AW
Description  Digital Controller for Isolated
Download  88 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1046AW Datasheet(HTML) 49 Page - Analog Devices

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Data Sheet
ADP1046AW
Rev. 0 | Page 49 of 88
Table 10. Register 0x02—Fault Register 3 and Register 0x06—Latched Fault Register 3 (1 = Fault, 0 = Normal Operation)
Bits
Bit Name
R/W
Description
Register
Action
7
OTP
R
Temperature is above OTP limit.
0x2F
Programmable
6
Fast OVP
R
Fast OVP threshold was exceeded.
0x37
Programmable
5
Share bus
R
Current share is outside regulation limit.
0x2A
Programmable
4
Constant current
R
Power supply is operating in constant current mode (constant
current mode is enabled).
0x27
None
3
Soft start
R
The reference is being ramped.
None
2
Line impedance
R
Line impedance between VS2 and VS3± is above limit.
0x35
None
1
Soft start filter
R
The soft start filter is in use.
0x5F
None
0
External flag
R
The external flag pin (FLAGIN) is set.
Programmable
Table 11. Register 0x03—Fault Register 4 and Register 0x07—Latched Fault Register 4 (1 = Fault, 0 = Normal Operation)
Bits
Bit Name
R/W
Description
Register
Action
7
Volt-second balance
R
Volt-second balance is at its maximum or minimum limit.
None
6
Modulation
R
Modulation is at its maximum or minimum limit.
0x2E
None
5
Reserved
R
Reserved.
None
4
Light load mode
R
The system is in light load mode.
0x3B
None
3
Reserved
R
Reserved.
None
2
ACSNS
R
The ac sense (comparator) amplitude is not correct.
Programmable
1
CRC fault
R
The EEPROM contents downloaded are incorrect.
Immediate shutdown
0
EEPROM unlocked
R
The EEPROM is unlocked.
None
Table 12. Register 0x08 to Register 0x0D—Fault Configuration Registers
Register Name
Address
Bits
Flag
Shutdown Debounce
Fault Configuration Register 1
0x08
[7:4]
CS1 fast OCP
See Register 0x27 in Table 39
[3:0]
CS1 accurate OCP
See Register 0x0E in Table 14
Fault Configuration Register 2
0x09
[7:4]
CS2 accurate OCP
See Register 0x0E in Table 14
[3:0]
Load OVP (VS2 or VS3)
2 ms
Fault Configuration Register 3
0x0A
[7:4]
Local accurate OVP (VS1)
and fast OVP (VS1)
2 ms (see Register 0x37
in Table 55)
[3:0]
External flag input (FLAGIN)
10 ms
Fault Configuration Register 4
0x0B
[7:4]
OTP
100 ms
[3:0]
UVP
10 ms
Fault Configuration Register 5
0x0C
[7:4]
CS2 reverse voltage
10 ms
[3:0]
Voltage continuity
100 ms
Fault Configuration Register 6
0x0D
[7:4]
Share bus
100 ms
[3:0]
ACSNS
10 ms


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