Battery pack protective circuit applying micro-electromechanical system (MEMS) switch
A technology of micro-electromechanical systems and protection circuits, which is applied in the direction of emergency protection circuit devices and electrical components, and can solve the problems of inability to realize control circuit integration and high power consumption
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[0030] Such as figure 1 The present invention as shown provides a kind of overall scheme of battery, battery pack charging and discharging protection circuit, it is characterized in that application microelectromechanical system MEMS (micro electromechanical system) switch replaces MOSFET charging and discharging switch, the battery of the present invention design, battery pack charging and discharging The functional block diagram of the discharge protection circuit is as follows: figure 1 shown.
[0031] Two electrostatic MEMS switches connected in series are connected at the negative terminal of the battery pack, and the negative terminal of the battery pack is connected to the transmission line of the first electrostatic MEMS switch, the first of the first electrostatic MEMS switch The electrodes are connected to the transmission line of the second electrostatic MEMS switch, and the first electrode of the second electrostatic MEMS switch is used as the output terminal of...
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