参数资料
型号: ADP1048ARQZ-R7
厂商: Analog Devices Inc
文件页数: 78/84页
文件大小: 0K
描述: IC DGTL PFC CTRLR 24QSOP
标准包装: 1
模式: 平均电流
频率 - 开关: 30kHz ~ 400kHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 标准包装
其它名称: ADP1048ARQZ-R7DKR
ADP1047/ADP1048
VAC ADC OFFSET TRIM REGISTER
This register must be unlocked for write access; see Table 61.
Table 143. Register 0xFE53—VAC ADC Offset Trim
Data Sheet
Bits
[7:0]
Bit Name
VAC ADC offset trim
R/W
R/W
Description
This register calibrates the VAC ADC offset (the offset is always subtracted from the ADC output).
CS ADC OFFSET TRIM FOR 500 mV RANGE REGISTER
This register must be unlocked for write access; see Table 61.
Table 144. Register 0xFE54—CS ADC Offset Trim for 500 mV Range
Bits
[7:0]
Bit Name
CS ADC offset trim
R/W
R/W
Description
This register calibrates the CS current sense offset (the offset is always subtracted from the ADC
output).
CS ADC GAIN TRIM FOR HIGH (750 mV) RANGE REGISTER
This register must be unlocked for write access; see Table 61.
Table 145. Register 0xFE7E—CS ADC Gain Trim for High (750 mV) Range
Bits
7
Bit Name
Gain polarity
R/W
R/W
Description
1 = negative gain is introduced.
0 = positive gain is introduced.
[6:0]
CS ADC gain trim
R/W
This register calibrates the CS current sense gain.
CS ADC OFFSET TRIM FOR HIGH (750 mV) RANGE REGISTER
This register must be unlocked for write access; see Table 61.
Table 146. Register 0xFE7F—CS ADC Offset Trim for High (750 mV) Range
Bits
[7:0]
Bit Name
CS ADC offset trim
R/W
R/W
Description
This register calibrates the CS current sense offset (the offset is always subtracted from the ADC
output).
LATCHED FLAG REGISTERS
The bits in the latched flag registers remain set (latched) to allow users to detect an intermittent fault. Reading a latched flag register resets
the flags in that register.
Table 147. Register 0xFE80—Latched Fla g 0
Bits
7
6
5
4
3
Bit Name
MAX_MODULATION
MIN_MODULATION
OLP
FAST_OVP
AC_PERIOD
R/W
R
R
R
R
R
Description
1 = maximum modulation limit is reached.
1 = minimum modulation limit is reached.
1 = one of the two voltage dividers is probably disconnected or malfunctioning.
1 = the threshold set for the comparator on the OVP pin has been crossed.
1 = controller is not able to detect the ac line period; the maximum value of the period is used
and this flag is set.
2
1
0
BROWN_OUT
SOFT_START
INRUSH
R
R
R
1 = VAC is lower than the value stored in VIN_ON (Register 0x35).
1 = system is in soft start sequence; fast loop filter is in use.
1 = INRUSH control relay is off.
Rev. 0 | Page 78 of 84
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