参数资料
型号: ADP1048ARQZ-R7
厂商: Analog Devices Inc
文件页数: 54/84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
PIN_OP_WARN_LIMIT REGISTER
This register sets the upper input power (W) threshold that causes an input overpower warning condition.
Table 42. Register 0x6B—PIN_OP_WARN_LIMIT
Data Sheet
Bits
[15:11]
Bit Name
Exponent
R/W
R
Description
Return the exponent (N) used in power linear mode format (X = Y × 2 N ). The exponent is set in the
exponent register (Register 0xFE39, Bits[2:0]).
[10:8]
[7:0]
High bits
Low byte
R/W
R/W
Mantissa high bits (Y[10:8]) used in power linear mode format (X = Y × 2 N ).
Mantissa low byte (Y[7:0]) used in power linear mode format (X = Y × 2 N ).
STATUS_BYTE REGISTER
This register returns the lower byte of the STATUS_WORD register. A value of 1 in this register indicates that a fault has occurred.
Table 43. Register 0x78—STATUS_BYTE
Bits
7
6
5
4
3
2
1
0
Bit Name
BUSY
PSON_OFF
VOUT_OV
IOUT_OC
VIN_UV
TEMPERATURE
CML
NONE_OF_THE_
R/W
R
R
R
R
R
R
R
R
Description
1 = device was busy and unable to respond.
1 = device is not providing power to the output.
1 = output overvoltage fault.
1 = output overcurrent fault.
1 = input undervoltage fault.
1 = temperature fault or warning.
1 = communications, memory, or logic fault.
1 = fault or warning not listed in Bits[7:1].
ABOVE
STATUS_WORD REGISTER
A value of 1 in this register indicates that a fault has occurred.
Table 44. Register 0x79—STATUS_WORD
Bits
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit Name
VOUT
IOUT/POUT
INPUT
MFR
POWER_GOOD#
FANS
OTHER
UNKNOWN
BUSY
PSON_OFF
VOUT_OV
IOUT_OC
VIN_UV
TEMPERATURE
CML
NONE_OF_THE_
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Description
1 = output voltage fault or warning.
1 = output current or output power fault or warning.
1 = input voltage, input current, or input power fault or warning.
1 = manufacturer-specific fault or warning.
1 = POWER_GOOD is negated.
1 = fan or airflow fault or warning.
Always reads as 0.
1 = fault or warning not listed in Bits[15:1].
1 = device was busy and unable to respond.
1 = device is not providing power to the output.
1 = output overvoltage fault.
1 = output overcurrent fault.
1 = input undervoltage fault.
1 = temperature fault or warning.
1 = communications, memory, or logic fault.
1 = fault or warning not listed in Bits[7:1].
ABOVE
Rev. 0 | Page 54 of 84
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