参数资料
型号: ADP1048ARQZ-R7
厂商: Analog Devices Inc
文件页数: 26/84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
STANDARD PMBus FLAGS
When the corresponding bit of a standard PMBus flag is
set in the STATUS_WORD or STATUS_BYTE register,
the programmed action takes place as shown in Figure 25.
Data Sheet
Figure 25 shows the bits in the six standard PMBus fault
response registers: Register 0x41, Register 0x45, Register 0x50,
Register 0x56, Register 0x5A, and Register 0x5C. All six PMBus
fault response registers follow the same format. For more infor-
mation, see the PMBus Fault Flag Response section.
RESPONSE (BITS[7:6])
RETRY SETTING (BITS[5:3])
DELAY TIME (BITS[2:0])
00 =
DO
NOTHING
FAULT CLEARED
NORMAL
OPERATION
11 = DISABLE OUTPUT
OUTPUT
DISABLED
FAULT
NOT
CLEARED
RETRY SETTING (BITS[5:3])
000 = NO RETRIES (OFF)
001 TO 110 = TRY 1 TO 6 TIMES
111 = RETRY FOREVER
FLAGS ARE
IGNORED
IF BLANKED
SHUT
DOWN
DELAY
TIME
(BITS[2:0])
SOFT
START
IF FLAG STILL ACTIVE
01 = SHUT DOWN (AFTER DEBOUNCE)
10 = IMMEDIATE SHUTDOWN
Figure 25. Standard PMBus Fault Response
Table 12. Summary of Standard PMBus Flags Implemented on the ADP1047 / ADP1048
Name
Address
Description
Action
STATUS_BYTE (0x78)
PSON_OFF
0x78[6]
Power supply on signal: this flag indicates that the PSON signal (hardware
or software) is inactive.
VOUT_OV
0x78[5]
General output overvoltage fault. This flag is a combination (OR) of any output
Programmable
overvoltage flag: Register 0x7A[7] and Register 0xFE80[4] (FAST_OVP).
VIN_UV
TEMPERATURE
CML
NONE_OF_THE_ABOVE
0x78[3]
0x78[2]
0x78[1]
0x78[0]
General input undervoltage fault (same data as in Register 0x7C[4]).
Temperature fault or warning.
Communications, memory, or logic fault.
A fault or warning not listed in Register 0x78[7:1].
Programmable
Programmable
STATUS_WORD (0x79)
VOUT
INPUT
MFR
0x79[15]
0x79[13]
0x79[12]
Any fault or warning on the output voltage (overvoltage, undervoltage, fast
OVP, or accurate OVP).
Input voltage, input current, or input power fault or warning (same data as
in Register 0x7C, Bits[7:0]).
Manufacturer-specific fault or warning (same data as in Register 0xFE80,
Register 0xFE81, and Register 0xFE82).
POWER_GOOD#
0x79[11]
Power good. This flag is a programmable combination of other internal flags
PGOOD pin
and refers to the condition of the output voltage. This flag sets the PGOOD
pin. The POWER_GOOD# flag is an inverted version of the PGOOD pin.
UNKNOWN
0x79[8]
A fault or warning not listed in Bits[15:1].
Rev. 0 | Page 26 of 84
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