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发明授权
CN105161467B 一种用于电动汽车的功率模块 有权 转让

一种用于电动汽车的功率模块
摘要：
本发明公开了一种用于电动汽车的功率模块，该功率模块包括：半导体芯片；第一导热板和焊接层，第一导热板通过焊接层与半导体芯片的第一表面上的相应端口连接；第二导热板和金属焊球阵列，第二导热板通过金属焊球阵列与半导体芯片的第二表面上的相应端口连接；功率端子和控制端子，功率端子和控制端子与第一导热板连接；以及，封装外壳。该功率模块采用了焊球互连、双面散热的形式，可以解决功率模块内部寄生电感、散热效率的问题，从而保证了模块的性能可靠。
摘要（英）：

The invention discloses a power module for electric automobile. The power module comprises semiconductor chips, a first heat conducting plate, a welding layer, a second heat conducting plate, a metal solder ball array, a power terminal, a control terminal and a packaging shell, wherein the first heat conducting plate is connected to corresponding ports at the first surfaces of the semiconductor chips via the welding layer, the second heat conducting plate is connected to corresponding ports at the second surfaces of the semiconductor chips via the welding metal solder ball array, and the power terminal and the control terminal are connected with the first heat conducting plate. The power module can solve the problems in internal parasitic capacity and heat radiation efficiency of the power module via solder ball interconnection and double-side heat radiation, and thus, the reliable performance of the power module is ensured.

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