参数资料
型号: MAX34441ETL+T
厂商: Maxim Integrated Products
文件页数: 48/53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_FAN_LUT (F2h)
The MFR_FAN_LUT command is used to configure the LUT that controls the fan. The fan has an LUT that maps eight
programmable temperature levels to eight programmable fan PWM duty-cycle levels (bit 6 in FAN_CONFIG_1_2 is
zero) or eight programmable target fan speeds (bit 6 in FAN_CONFIG_1_2 is one). The LUT allows a wide variety of
profiles to be used.
USER_NOTE:_The_programmable_configuration_of_MFR_FAN_LUT_must_be_monotonic.
Table_33._MFR_FAN_LUT
BYTE_NUMBER
0-1
2-3
4-5
6-7
8-9
10-11
12-13
14-15
16-17
18-19
20-21
22-23
24-25
26-27
28-29
30-31
WORD_NAME
TEMP STEP 0
SPEED STEP 0
TEMP STEP 1
SPEED STEP 1
TEMP STEP 2
SPEED STEP 2
TEMP STEP 3
SPEED STEP 3
TEMP STEP 4
SPEED STEP 4
TEMP STEP 5
SPEED STEP 5
TEMP STEP 6
SPEED STEP 6
TEMP STEP 7
SPEED STEP 7
MEANING
Temperature for step 0.
Fan PWM duty cycle or fan speed for step 0.
Temperature for step 1.
Fan PWM duty cycle or fan speed for step 1.
Temperature for step 2.
Fan PWM duty cycle or fan speed for step 2.
Temperature for step 3.
Fan PWM duty cycle or fan speed for step 3.
Temperature for step 4.
Fan PWM duty cycle or fan speed for step 4.
Temperature for step 5.
Fan PWM duty cycle or fan speed for step 5.
Temperature for step 6.
Fan PWM duty cycle or fan speed for step 6.
Temperature for step 7.
Fan PWM duty cycle or fan speed for step 7.
TEMPERATURE STEP: Temperature Level Setting
The TEMPERATURE STEP sets the temperature in degrees Celsius and represents a threshold level at which the
device updates the fan PWM duty cycle setting. The 2 data bytes are in DIRECT format. The valid temperature range
depends on the temperature sensor.
Table_34._Valid_Temperature_Range
TEMPERATURE_SENSOR
Page 6: Internal Temp Sensor
Pages 7 to 10: I 2 C Remote Temp Sensor
Page 11: Remote Thermal Diode Temp Sensor
48
VALID_RANGE
-40 N C to +85 N C
-55 N C to +125 N C
-40 N C to +120 N C
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