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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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为什么在锂离子二次电池保护电路中串联使用两个MOSFET？
两个MOSFET用于实现充电和放电功能。
如图1所示，为实现充放电功能，使用了两个MOSFET。
如图2所示，仅使用了一个MOSFET，即使MOSFET关闭，在锂离子二次电池放电时MOSFET的反向电流也会流过体二极管。
这种情况将不具有充放电开关的功能。
另请参阅以下页面。