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ADP1047/ADP1048
LOW POWER MODE OPERATION THRESHOLD REGISTER
Table 111. Register 0xFE32—Low Power Mode Operation Threshold
Data Sheet
Bits
[7:0]
Bit Name
Low power threshold
R/W
R/W
Description
These bits set the threshold value (P TH ) for low power mode detection. When the input power is
lower than this value, the PFC enters low power mode.
POWER METERING OFFSET TRIM FOR LOW LINE INPUT REGISTER
Table 112. Register 0xFE33—Power Metering Offset Trim for Low Line Input
Bits
7
Bit Name
Offset trim polarity
R/W
R/W
Description
1 = negative offset trim is introduced.
0 = positive offset trim is introduced.
[6:0]
Power meter offset
trim
R/W
This value calibrates the power meter offset at the low line input voltage. Each LSB corresponds
to 0.0625/128 of the full input power.
POWER METERING GAIN TRIM FOR LOW LINE INPUT REGISTER
Table 113. Register 0xFE34—Power Metering Gain Trim for Low Line Input
Bits
7
Bit Name
Gain trim polarity
R/W
R/W
Description
1 = negative gain trim is introduced.
0 = positive gain trim is introduced.
[6:0]
Power meter gain trim
R/W
This value calibrates the power meter gain at the low line input voltage. Each LSB corresponds
to 0.0625/128 of the input power.
HIGH LINE LIMIT REGISTER
Table 114. Register 0xFE35—High Line Limit
Bits
[7:0]
Bit Name
VAC high line
R/W
R/W
Description
When the input voltage is higher than this value, the current loop filter for high line input is used.
threshold
LOW LINE LIMIT REGISTER
Table 115. Register 0xFE36—Low Line Limit
Bits
[7:0]
Bit Name
VAC low line threshold
R/W
R/W
Description
When the input voltage is lower than this value, the current loop filter for low line input is used.
ILIM_TRIM REGISTER
Table 116. Register 0xFE37—ILIM_TRI M
Bits
[7:5]
4
Bit Name
RSVD
Trim current direction
R/W
R
R/W
Description
Reserved.
1 = source trim current (ILIM + ILIM_TRIM).
0 = sink trim current (ILIM ? ILIM_TRIM).
[3:0]
ILIM trim
R/W
These bits set the trim current. Each LSB corresponds to ILIM/64.
VOLTAGE LOOP OUTPUT REGISTER
Table 117. Register 0xFE38—Voltage Loop Output
Bits
[7:0]
Bit Name
Voltage loop output
R/W
R
Description
Return the output of the voltage control loop.
Rev. 0 | Page 72 of 84
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