Current Technology Research of Parallel MOSFET on-Borad Charger

The structure of the traditional two lithium batteries car charger was analyzed, car charger simulation model was created based on matlab, Combination of MOSFET equivalent circuit model, The equivalent circuit parameters affected to the MOSFET parallel flow was analyzed, Thus circuit suitable for car charger MOSFET parallel was designed, Gate resistance affected to the MOSFET parallel flow was analyzed. Prototype experimental results show that the current technology improve the reliability of the parallel MOSFET and has a certain value.