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| 型号： | MAX34441ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 28/53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 |
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PMBus 5-Channel Power-Supply Manager
and Intelligent Fan Controller
ON_OFF_CONFIG (02h)
The ON_OFF_CONFIG command configures the combination of CONTROL input and PMBus OPERATION commands
needed to turn the power supply on and off. This indicates how the power supply is commanded when power is
applied. Table 11 describes the ON_OFF_CONFIG message content. The host should not modify ON_OFF_CONFIG
while the power supplies are active.
Table_11._ON_OFF_CONFIG_(02h)_Command_Byte
BIT
7:5
4
3
2
1
0
PURPOSE
Reserved
Turn on supplies when bias is
present or use the CONTROL pin
and/or OPERATION command
OPERATION Command Enable
CONTROL Pin Enable
CONTROL Pin Polarity
CONTROL Pin Turn-Off Action
BIT_VALUE
N/A
0
1
0
1
0
1
0
1
0
1
MEANING
Always returns 000.
Turn on the supplies (with sequencing, if so configured) as soon
as bias is supplied to the device regardless of the CONTROL pin.
Operate the supplies as instructed by the CONTROL pin and/or
the OPERATION command.
Ignore the on/off portion of the OPERATION command.
OPERATION command enabled and required for action.
Ignore the CONTROL pin.
CONTROL pin enabled and required for action.
Active low (drive low to turn on the power supplies).
Active high (drive high to turn on the power supplies).
Use the programmed turn-off delay (soft off).
Turn off the power supplies immediately.
CLEAR_FAULTS (03h)
The CLEAR_FAULTS command is used to clear any fault or warning bits in the status registers that have been set.
This command clears all bits simultaneously. The CLEAR_FAULTS command does not cause a power supply that has
latched off for a fault condition to restart. The status of PSEN under fault conditions is not affected by this command
and changes only if commanded through the OPERATION command or CONTROL pin. If a fault is still present after the
CLEAR_FAULTS command is executed, the fault status bit is set again and the host is also notified by asserting ALERT
(if enabled in MFR_MODE). This command is write-only. There is no data byte for this command.
WRITE_PROTECT (10h)
The WRITE_PROTECT command is used to provide protection against accidental changes to the device operating
memory. All supported commands can have their parameters read, regardless of the WRITE_PROTECT settings. The
WRITE_PROTECT message content is described in Table 12.
Table_12._WRITE_PROTECT_Command_Byte
COMMAND_BYTE
80h
40h
20h
00h
MEANING
Disable all writes except the WRITE_PROTECT command.
Disable all writes except the WRITE_PROTECT, OPERATION, and PAGE commands.
Disable all writes except the WRITE_PROTECT, OPERATION, PAGE, and ON_OFF_CONFIG commands.
Enable writes for all commands (default).
Note: No fault or error is generated if the host attempts to write to a protected area.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX34441EVKIT# | 功能描述:电源管理IC开发工具 MAX34441 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX34446ETL+ | 功能描述:监控电路 PMBus Power Supply Data Logger RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX34446ETL+T | 功能描述:监控电路 PMBus Power Supply Data Logger RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX34446EVKIT# | 功能描述:监控电路 MAX34446 Eval Kit RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX3444EAPA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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