Analog Devices / Maxim Integrated MAX34451 电源系统管理器
Maxim MAX34451 电源系统管理器能够监测多达 16 路不同的电压轨或电流。 该器件还可提供多达 12 路电源的排序和微调。 该系统管理器监测电源的输出电压和电流。 该管理器连续监测这些信号是否超出用户设定的上限和下限。 如果检测到故障，器件将以一定顺序自动关断系统。 MAX34451 能够以任意顺序控制电源的上电和断电顺序。 该器件还可闭环调节电源输出电压，使其高于或低于用户设置的电平。 该器件包含内部温度传感器，并可检测多达四个外部远端温度传感器。 完成配置后，该器件可在自主模式下独立工作，无需任何主机干预。
特性
- Integration Enables Management of Multiple Power Supplies to Maximize System Performance
- 16 Channels of Voltage or Current Monitoring
- 12 Channels of Sequencing and Margining (8 PWM, 4 External Current DACs (1xDS4424), and Sequencing
- Expandable Channel Operation with Parallel Devices
- Remote Ground Sensing Improves Measurement Accuracy
- Programmable Up and Down Time-Based or Event-Based Sequencing
- Dual Sequencing Loops
- Configurable Combinatorial Logic Supporting Up to 16 GPIs and 20 GPOs
- Automatic Closed-Loop Margining
- No External Clocking Required
- PMBus™ -Compliant Command Interface
- Fast, Reliable Control and Fault Detection Improves System Reliability
- Fast Minimum/Maximum Threshold Excursion Detection
- Supports Up to 5 Temperature Sensors (1 Internal and 4 Remote)
- Fault Detection on All Temperature Sensors
- Reports Peak, Minimum, and Average Levels for a Number of Parameters
- Programmable Alarm Outputs
- On-Board Nonvolatile Black Box Fault Logging and Default Configuration Setting
- I2C-/SMBus-Compatible Serial Bus with Bus Time-Out Function Simplifies Additional Temperature Sensors and DACs to the MAX34451
- +3.0V to +3.6V Supply Voltage
应用
- Base Stations
- Network Switches/Routers
- Servers
- Smart Grid Network Systems
发布日期: 2016-09-06
| 更新日期: 2023-04-12