NS LM5066 PMBus接口高压系统电源管理和保护方案
NS公司的LM5066是带PMBus兼容的SMBus/I2C接口的高压系统电源管理和保护器件,可以精确测量,保护和控制连接到背板电源总线的系统的电工作状态.输入电压范围10V-80V,可编程的26mV或50mV限流阈值,能以12位分辨率和1kHz取样速率实时监视VIN, VOUT, IIN, PIN, VAUX,可配置电路断路器保护和欠压和过压保护,遥测温度,电源测量精度±4.5%,主要用在服务器背板系统,基站电源分布系统和固态电路断路器.本文介绍了LM5066主要特性,方框图, 典型应用电路图和指令/寄存器和告警流程图.
High Voltage System Power Management and Protection IC with PMBus
The LM5066 combines a high performance hot swap controller with a PMBus™ compliant SMBus/I2C interface to accurately measure, protect and control the electrical operating conditions of systems connected to a backplane power bus.
The LM5066 continuously supplies real-time power, voltage, current, temperature and fault data to the system management host via the SMBus interface.
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