Analog Devices Inc. PMBus电源系统管理器
Linear Technology/Analog Devices LTC2977、LTC2975、LTC2980、LTM2987 PMBus电源系统管理器可采用3.3V或4.5V至15V的电源供电。这些PMBus管理器设计用于裕度调节、监控、排序和修整4通道、8通道和16通道电源。DAC采用一种专有软连接算法来最大限度地抑制电源扰动。其中一些监控功能包括针对电源输出和输入通道上的过压和欠压门限限值。看门狗定时器用于监视微处理器运作的失速状态，并在必要时使微处理器复位。配置EEPROM支持自主型操作，无需额外软件。
特性
- Sequence, trim, margin, and supervise 4, 8, or 16 power supplies
- Manage faults, monitor telemetry, and create fault logs
- PMBus™ compliant command set
- Supported by LTpowerPlay® GUI
- Margin or trim supplies to within 0.25% of the target
- Fast OV/UV supervisors per channel
- Coordinate sequencing and fault management across multiple LTC PSM devices
- Automatic fault logging to internal EEPROM
- Operate autonomously without additional software
- I2C/SMBus serial interface
- Can be powered from 3.3V, or 4.5V to 15V
- Programmable watchdog timer
应用
- Computers and network servers
- Industrial test and measurement
- High-reliability systems
- Video and medical imaging
Additional Resources
FPGA Power System Management
FPGAs are spreading to all kinds of electronic systems, even taking over the job of ASICs, but they come surrounded by a complicated power system. Analog Devices has a wide range of DPSM products to help manage this complexity.
发布日期: 2017-05-11
| 更新日期: 2025-03-26