摘要
针对锂离子电池的充电特性和充电方法,提出一种智能锂离子电池充电电源。为提高转换效率和PWM控制精度,该电源采用了同步整流功率拓扑结构和专门的数字电源控制芯片STM32F334。同时结合高精度的电压、电流检测电路和隔离RS485通信电路,完成了充电电源的硬件设计。搭配合理充电方法实现了锂离子电池的实时监控,保障了锂离子电池安全、稳定、快速的充电过程。
A lithium ion battery charging power is proposed for the charging characteristics and charging method of lithium ion battery. To improve conversion efficiency and PWM control accuracy, the power supply uses a synchronous rectification power topology and a dedicated digital power control chip STM32F334. At the same time combined with high-precision voltage, current detection circuit and i- solated RS485 communication circuit to complete the charging power supply hardware design. With a reasonable charging method to achieve real-time monitoring of lithium-ion battery to protect the lithium-ion battery safety, stability, fast charging process
出处
《自动化与仪器仪表》
2017年第12期130-133,共4页
Automation & Instrumentation
基金
航空锂电池组SOC估算BMS管理关键技术研究(17ZB0453)
