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| 型号： | MAX34440ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/43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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EVALUATION KIT AVAILABLE
MAX34440
PMBus 6-Channel Power-Supply Manager
General Description
The MAX34440 is a complex system monitor that can
manage up to six power supplies. The power-supply
manager monitors the power-supply output voltage and
constantly checks for user-programmable overvoltage
and undervoltage thresholds. It can also margin the
power-supply output voltage up or down to a user-
programmable level. The margining is performed in a
closed-loop arrangement whereby the device automati-
cally adjusts a pulse-width-modulated (PWM) output and
then measures the resultant output voltage. The power-
supply manager can also sequence the supplies in any
order at both power-up and power-down. With the addi-
tion of an external current-sense amplifier, the device
can also monitor currents.
Features
S 6 Channels of Power-Supply Management
Voltage Measurement/Monitoring
Differential 12-Bit 1% Accurate ADC
Min/Max Threshold Excursion Detection
Supports Current Monitoring with External
Current-Sense Amplifier
Automatic Closed-Loop Margining
Programmable Up and Down Sequencing
Power-Good Output
S Supports Up to Eight Temperature Sensors
Two Remote Diode Temperature Sensors
Five Local Temperature Sensors
One Internal Temperature Sensor
Fault Detection on All Temp Sensors
Network Switches/Routers
Base Stations
Servers
Smart Grid Network Systems
Industrial Controls
Applications
S PMBus?-Compliant Command Interface
S I 2 C/SMBus-Compatible Serial Bus with Bus
Timeout Function
S On-Board Nonvolatile Fault Logging and Default
Configuration Setting
S No External Clocking Required
S +3.3V Supply Voltage
Ordering Information
PART
MAX34440ETL+
MAX34440ETL+T
TEMP RANGE
-40 N C to +85 N C
-40 N C to +85 N C
PIN-PACKAGE
40 TQFN-EP*
40 TQFN-EP*
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
* EP = Exposed pad.
PMBus is a trademark of SMIF, Inc.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, go to: www.maximintegrated.com/errata .
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-5527; Rev 3; 8/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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