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ADP1048ARQZ-R7 数据表(PDF) 72 Page - Analog Devices |
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ADP1048ARQZ-R7 数据表(HTML) 72 Page - Analog Devices |
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72 / 84 page  ADP1047/ADP1048 Data Sheet Rev. 0 | Page 72 of 84 LOW POWER MODE OPERATION THRESHOLD REGISTER Table 111. Register 0xFE32—Low Power Mode Operation Threshold Bits Bit Name R/W Description [7:0] Low power threshold R/W These bits set the threshold value (PTH) 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 Bit Name R/W Description 7 Offset trim polarity R/W 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 Bit Name R/W Description 7 Gain trim polarity R/W 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 Bit Name R/W Description [7:0] VAC high line threshold R/W When the input voltage is higher than this value, the current loop filter for high line input is used. LOW LINE LIMIT REGISTER Table 115. Register 0xFE36—Low Line Limit Bits Bit Name R/W Description [7:0] VAC low line threshold R/W When the input voltage is lower than this value, the current loop filter for low line input is used. ILIM_TRIM REGISTER This register must be unlocked for write access; see Table 61. Table 116. Register 0xFE37—ILIM_TRIM Bits Bit Name R/W Description [7:5] RSVD R Reserved. 4 Trim current direction R/W 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 Bit Name R/W Description [7:0] Voltage loop output R Return the output of the voltage control loop. |
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