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一种充电器用防反接与防倒灌保护电路
资料介绍
对于直流供电的电子产品或电路,电源极性接反可能造成零件损坏等严重后果;对电池充电系统而言,电池反接可能损坏充电电路和电池,甚至引起电池爆炸,应设计防倒灌保护。因此,分析常见防反接保护电路的优缺点,阐述MOS管防反接电路在电池充电系统中存在的特殊问题,提出一种改进型防电池反接和防倒灌保护电路。该电路具有简单可靠、成本低等优点,可用于各类充电器产品。
For DC-powered electronic products or circuits,polarity reversal of power supply may cause serious consequences such as parts damage.For the battery charging system,the battery reverse connection may damage the charging circuit and battery,and even cause battery explosion,so anti-backfilling protection should be designed.Therefore,the advantages and disadvantages of common anti-backconnection protection circuits are analyzed,the special problems of MOS transistor anti-backconnection circuit in battery charging system are expounded,and an improved anti-backconnection and anti-backfilling protection circuit is proposed.The circuit has the advantages of simple,reliable and low cost,and can be used in various charger products.
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| 文件名 | 大小 |
| 一种充电器用防反接与防倒灌保护电路.pdf | 2M |
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