参数资料
型号: MAX34441ETL+T
厂商: Maxim Integrated Products
文件页数: 39/53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
MFR_MODE (D1h)
The MFR_MODE command is used to configure the device to support manufacturer specific commands. The MFR_
MODE command is described in Table 26.
Table_26._MFR_MODE
BIT_
15
14
13
12
11
BIT_NAME
FORCE_NV_FAULT_LOG
CLEAR_NV_FAULT_LOG
ALERT
0
SOFT_RESET
MEANING
Setting this bit to 1 forces the device to log data into the nonvolatile fault log. Once set, the
device clears this bit when the action is completed. The host must set again for subsequent
action. If an error occurs during this action, the device sets the CML bit in STATUS_BYTE
and STATUS_WORD ; no bits are set in STATUS_CML.
Setting this bit to 1 forces the device to clear the nonvolatile fault log by writing FFh to all
byte locations. Once set, the device clears this bit when the action is completed. The host
must set again for subsequent action. If an error occurs during this action, the device sets
the CML bit in STATUS_BYTE and STATUS_WORD; no bits are set in STATUS_CML.
0 = ALERT disabled (device does not respond to ARA).
1 = ALERT enabled (device responds to ARA and ARA must be used).
This bit always returns a 0.
This bit must be set, then cleared and set again within 8ms for a soft reset to occur.
PGTIME1
PGTIME0
TIME_FROM_POWER_GOOD_DETERMINED_
UNTIL_PG_OUTPUT_IS_ASSERTED_(ms)
10:9
PGTIME[1:0]
0
0
1
1
0
1
0
1
Immediately
100
500
1000
0 = PG/TACHSEL output is power-good indication.
8
7
6
5:0
PG_SELECT
PSEN_PP_OD
PSEN_HI_LO
0
1 = PG/TACHSEL output is TACHSEL (for dual tachometer fans). For dual tachometer fans,
this output is toggled every 500ms.
Applies to all PSEN outputs.
0 = PSEN push-pull output.
1 = PSEN open-drai n output.
Applies to all PSEN outputs.
0 = PSEN active low.
1 = PSEN active hig h.
These bits always return a 0.
Note: If a dual tachometer fan is used, it is recommended that the slower tachometer signal be presented to the TACH pin when
TACHSEL = 0.
39
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