使用本实用新型所述的单管红外发射接收电路，通过只使用一个红外管便可实现发射和接收功能，成本低廉，所需结构空间小。
The monotube infrared transceiver circuit of the utility model can realize the functions of transmitting and receiving only through one infrared tube, with low cost and small structural space.
该电路具有平安快速充电功能，可以广泛 应用于室内外单节锂离子电池的充电，如手机、数码 产品电池等。
The circuit has a safe and fast charge function can be widely used in indoor and outdoor single lithium-ion battery charging such as mobile phones digital products batteries.
单管IGBT驱动电路的功能比较简单，只具有软关断和过流保护功能。
IGBT single tube driving circuit's function is relatively simple, only a soft shutdown and over-current protection.
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