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参数资料
| 型号： | ADP1048ARQZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 81/84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 |
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Data Sheet
IBAL CONFIGURATION REGISTER ( ADP1048 ONLY)
Table 160. Register 0xFE95—IBAL Configuration ( ADP1048 Only)
ADP1047/ADP1048
Bits
7
Bit Name
IBAL disconnect
R/W
R/W
Description
1 = disconnect the output of the current balance block from the PWM outputs.
0 = connect the output of the current balance block to the PWM outputs.
6
IBAL at load transient
R/W
0 = disable current balancing when the fast loop is triggered.
1 = enable current balancing when the fast loop is triggered.
It is recommended that this bit be set to 0.
[5:4]
3
RSVD
IBAL at low power
mode
R
R/W
Reserved.
1 = disable current balancing under low power mode if the output of the current balancing
block reaches the limit.
0 = enable current balancing under low power mode even if the output of the current
balancing block reaches the limit.
It is recommended that this bit be set to 1.
[2:0]
RSVD
R
Reserved.
DEBUG FLAG REGISTERS
Table 161. Register 0xFE96—Debug Flag 0
Bits
7
6
5
4
3
2
1
Bit Name
OT_WARN
OT_FAULT
TEMPERATURE
UNKNOWN
MFR_FAULT
PSON
PGOOD
R/W
R
R
R
R
R
R
R
Description
1 = measured temperature is above the value of OT_WARN_LIMIT.
1 = measured temperature is above the value of OT_FAULT_LIMIT.
1 = temperature fault or warning.
1 = fault or warning not listed in Register 0x79, Bits[15:1].
1 = manufacturer-specific fault or warning (Register 0xFE80, Register 0xFE81, Register 0xFE82).
1 = PSON signal (hardware or software) is inactive.
Power good. This flag is a programmable combination of other internal flags and refers to the
condition of the output voltage. A value of 1 means that the output of the PGOOD pin is low.
0
AC_OK
R
This flag is a programmable combination of other internal flags and refers to the condition of
the input voltage. A value of 1 means that the output of the AC_OK pin is low.
Table 162. Register 0xFE97—Debug Flag 1
Bits
7
6
5
Bit Name
EEPROM_UNLOCKED
EEPROM_CRC
I2C_ADDRESS
R/W
R
R
R
Description
1 = EEPROM is unlocked and its contents can be written.
1 = downloaded EEPROM contents are incorrect.
1 = the resistor on the ADD pin has a value that can cause an error in the address assignment
(the address falls too close to the threshold between two addresses).
4
3
2
1
0
FAST_LOOP
MAX_MODULATION
MIN_MODULATION
SOFT_START
SYNC_LOCK
R
R
R
R
R
1 = fast loop compensation filter is in use.
1 = maximum modulation limit is reached.
1 = minimum modulation limit is reached.
1 = system is in soft start sequence; fast loop filter is in use.
1 = external synchronization frequency is locked.
Table 163. Register 0xFE98—Debug Flag 2
Bits
7
6
5
4
3
2
1
0
Bit Name
VIN_UV
VIN_LOW
VIN_UV_FAULT
VIN_UV_WARN
LOW_LINE
BROWN_OUT
CML
VDD_3.3V_OV
R/W
R
R
R
R
R
R
R
R
Description
1 = general input undervoltage fault (same as Register 0x7C, Bit 4).
1 = VAC is lower than VIN_OFF (Register 0x36). This signal shuts down the power supply.
1 = input voltage on VAC is smaller than the value in VIN_UV_FAULT_LIMIT (Register 0x59).
1 = input voltage on VAC is smaller than the value in VIN_UV_WARN_LIMIT (Register 0x58).
1 = input voltage is higher than the high line threshold.
1 = VAC is lower than the value stored in VIN_ON (Register 0x35).
1 = communications, memory, or logic fault.
1 = an overvoltage condition is present on the VDD rail.
Rev. 0 | Page 81 of 84
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