为提高系统在大量数据处理、数据存储和通信系统的稳定性，子系统中包含一些主动电路来监控系统中的一些参数，如温度、风扇速度和系统电压等。独立的子监控系统一般通过2线串行总线如SMBUS、I2C与主机通信。
随着监控功能复杂度和数量的增加，一些实际问题也开始显现。如数据总线上升时间特性无法满足，不间断系统无法适应新I/O卡及器件的地址一般为专用等。LTC4302-1/LTC4302-2可寻址2线总线缓冲器可解决所有这些问题。 advertisement
Addressable I2C Bus Buffer Provides Capacitance Buffering,
Live Insertion and Nested Addressing in 2-Wire Bus Systems
Design Note 329
John Ziegler
Introduction Live Insertion and Removal and
In an effort to improve the reliability of large data process- Capacitance Buffering Application
ing, data storage and communications systems, their The LTC4302 solves bus connect/disconnect problems
subsystems include a growing number of active circuits by creating an active bridge between two physically sepa-
to monitor parameters such as temperature, fan speed rate 2-wire busses. The LTC4302’s two “input” pin……
