参数资料
型号: MAX34441ETL+T
厂商: Maxim Integrated Products
文件页数: 36/53页
文件大小: 0K
描述: IC PS MANAGER PMBUS 5CH 40TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
应用: 基站网络线路卡,服务器
电源电压: 2.7 V ~ 5.5 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 带卷 (TR)
其它名称: 90-34441+TTR
PMBus 5-Channel Power-Supply Manager
and Intelligent Fan Controller
STATUS_WORD (79h)
The STATUS_WORD command returns 2 bytes of information with a summary of the reason for a fault. The low byte of
the STATUS_WORD is the same data as the STATUS_BYTE. Table 21 describes the STATUS_WORD message content.
Table_21._STATUS_WORD
BIT_
15
14
13
12
11
10
9:6
5
4
3
2
1
BIT_NAME
VOUT
IOUT
0
MFR
POWER_GOOD#
FANS
0
VOUT_OV
IOUT_OC
0
TEMPERATURE
CML
MEANING
An output voltage fault or warning or TON_MAX_FAULT has occurred.
An overcurrent fault or warning has occurred.
This bit always returns a 0.
A bit in STATUS_MFR_SPECIFIC has been set.
A power-supply voltage has fallen from POWER_GOOD_ON to less than POWER_GOOD_OFF.
A fan fault has occurred.
These bits always return a 0.
An overvoltage fault has occurred.
An overcurrent fault has occurred.
This bit always returns a 0.
A temperature fault or warning has occurred.
A communication, memory, or logic fault has occurred.
0
NONE OF THE ABOVE A fault or warning not listed in bits [7:1] has occurred.
STATUS_VOUT (7Ah)
The STATUS_VOUT command returns 1 byte of information with contents as described in Table 22.
Table_22._STATUS_VOUT
BIT_
7
6
5
4
3
2
1:0
BIT_NAME
VOUT_OV_FAULT
VOUT_OV_WARN
VOUT_UV_WARN
VOUT_UV_FAULT
0
TON_MAX_FAULT
0
VOUT overvoltage fault.
VOUT overvoltage warning.
VOUT undervoltage warning.
VOUT undervoltage fault.
This bit always returns a 0.
TON maximum fault.
These bits always return a 0.
MEANING
STATUS_CML (7Eh)
The STATUS_CML command returns 1 byte of information with contents as described in Table 23.
Table_23._STATUS_CML
36
BIT_
7
6
5:1
0
BIT_NAME
COMM_FAULT
DATA_FAULT
0
FAULT_LOG_FULL
MEANING
An invalid or unsupported command has been received.
An invalid or unsupported data has been received.
These bits always return a 0.
MFR_NV_FAULT_LOG is full and needs to be cleared.
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