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| 型号： | MAX34440ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 35/43页 |
| 文件大小： | 0K |
| 描述： | IC PS MANAGER PMBUS 6CH 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 90-34440+TTR |
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MAX34440
PMBus 6-Channel Power-Supply Manager
The MFR_SERIAL command loads the device with text (ISO/IEC 8859-1) characters that uniquely identify the device.
The maximum number of characters is 8. This data is written to internal flash using the STORE_DEFAULT_ALL com-
mand. The factory default text string value is 10101010.
Table 21. 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
8
PGTIME[1:0]
0
0
0
1
1
This bit always returns a 0.
0
1
0
1
Immediately
100
500
1000
Applies to all PSEN outputs.
7
6
5:0
PSEN_PP_OD
PSEN_HI_LO
0
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: V DD must be above 2.9V for the device to clear or log data into MFR_NV_FAULT_LOG. MFR_MODE should not be changed
while power supplies are being sequenced.
Maxim Integrated
35
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相关代理商/技术参数 |
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|---|---|
| MAX34441ETL+ | 功能描述:监控电路 PMBus 6Ch Power Supply Manager 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 |
| MAX34441ETL+T | 功能描述:监控电路 PMBus 6Ch Power Supply Manager 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 |
| 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 |
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