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芯片仿真及散热设计

Other Parts Discussed in Thread: TPS65251

工程师您好,我选择了TPS65251作毕业设计,题目是buck变换,因为学校没有回流焊只能仿真,想问一下什么软件可以仿真,我的电脑是32位win7,还有就是芯片散热设计,我们老师说设计四层板,用每层板铺铜面积与数据手册中的标准版面积进行比,然后还怎么计算,希望专家给予指导