| 基于电池能源管理芯片Bq2060的SMBus总线编程 |
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| 引用本文： | 孙玉军. 基于电池能源管理芯片Bq2060的SMBus总线编程[J]. 控制工程, 2008, 0(Z2) |
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| 作者姓名： | 孙玉军 |
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| 作者单位： | 沧州职业技术学院机电系 |
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| 摘 要： | Bq2060作为一种智能电池能源管理芯片,广泛应用于笔记本电池管理系统中。它具有SMBus高效同步串行总线通讯接口功能,通过SMBus串行总线和系统进行通讯,可检测电池信息包括剩余容量、总容量、在现有放电速率下的剩余时间、充电电压等信息。介绍了基于Bq2060的SMBus串行接口的智能电池监测系统,利用SMBus接口和内嵌的智能电池状态监测系统进行实时检测,通过操作系统调用电池芯片内部指令进行智能控制,在分析其通讯协议的基础上,分析了SMBus总线编程配置和操作特点。
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| 关 键 词： | 系统管理总线 通讯协议 电池能源管理电路 |
SMBus Protocol Analyse and Application of Gas Gauge IC Bq2060 |
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| SUN Yu-jun. SMBus Protocol Analyse and Application of Gas Gauge IC Bq2060[J]. Control Engineering of China, 2008, 0(Z2) |
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| Authors: | SUN Yu-jun |
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| Abstract: | Bq2060 is an intelligent battery management IC and is widely used in the laptop computer battery managemnet system.It includes the function of SMBus which is a kind of synchronous serial bus with high efficiency.It can be used to diagnose the state of remaining capacity,full charge capacity,average time to empty charging voltage and other battery status.The intelligent battery monitor system based on Bq2060 SMBus is introduced,it carries the real-time diagnose function and built-in command to communicate with computer operation system.Its protocol is analysed and the SMBus configration and characteristics are given. |
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| Keywords: | SMBus communication protocol Gas gauge IC |
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