手持终端设备主备电池控制系统设计

手持终端设备属于一种嵌入式系统,特别在工业应用领域对其供电持续性的要求很高。为了解决单电池供电下设备续航能力不足导致传输数据丢失的问题,本文设计一种主备电池控制系统,提高了整机的续航能力和电源系统的可靠性。方案设计对切换灵敏度、功耗和可靠性方面进行了综合考虑,已经应用到实际产品中,取得了良好的效果。

Handheld terminal device is a kind of embedded system,especially in the field of industrial application,which has high requirements for the continuity of power supply.In order to solve the problem of transmission data loss caused by the lack of endurance of single battery powered equipment,a main battery control system is designed in this paper,which improves the endurance and power system reliability of the whole machine.The scheme design comprehensively considers the switching sensitivity,power consumption and reliability.It has been applied to practical products and achieved good results。