Inductance assembly and integrated power converter module

An inductance assembly comprises a magnetic core, a first main winding, a second main winding, a VIN electrical connector and a GND electrical connector;

• the magnetic core comprises a top surface and a bottom surface opposite to each other, a first side surface and a third side surface opposite to each other, and a second side surface and a fourth side surface opposite to each other;
• a first pin of the first main winding and a first pin of the second main winding are arranged on the top surface of the magnetic core;
• a second pin of the first main winding and a second pin of the second main winding are arranged on the bottom surface of the magnetic core;
• the first main winding and the second main winding respectively penetrate through the magnetic core;
• the VIN electrical connector is arranged adjacent to the third side surface, and the GND electrical connector is arranged on the second side surface and the fourth side surface respectively;
• upper ends of the VIN electrical connector and the GND electrical connector are exposed out of the top surface of the magnetic core, and lower ends of the VIN electrical connector and the GND electrical connector are exposed out of the bottom surface of the magnetic core;
• the VIN electrical connector comprises a first pin, a second pin and a middle portion, the first pin of the VIN electrical connector is arranged on the top surface of the magnetic core, the second pin of the VIN electrical connector is arranged on the bottom surface of the magnetic core, and a width of the middle portion is larger than that of the first pin and the second pin of the VIN electrical connector.

An integrated power converter module comprises an inductance assembly, a bottom substrate, a plastic packaging material and a signal electrical connector;

• the inductance assembly is arranged on a top surface of the bottom substrate;
• the plastic packaging material wraps part of top surfaces of the inductance assembly and the bottom substrate;
• the inductance assembly comprises a magnetic core, a first main winding, a second main winding, a VIN electrical connector and a GND electrical connector;
• an upper end of the first main winding, an upper end of the second main winding, an upper end of the VIN electrical connector and an upper end of the GND electrical connector are exposed out of the plastic packaging material from the top surface of the inductance assembly respectively, and a lower end of the first main winding, a lower end of the second main winding, a lower end of the VIN electrical connector and a lower end of the GND electrical connector are electrically connected with the bottom substrate respectively;
• the first main winding and the second main winding respectively penetrate through the magnetic core;
• the signal electrical connector extends from the top surface of the inductance assembly to a bottom surface of the bottom substrate through a side surface of the plastic packaging material;
• and the signal electrical connector is formed through a metallization process.

An integrated power converter module comprises an inductance assembly, a bottom substrate, a plastic packaging material and a signal electrical connector, wherein the signal electrical connector is arranged on a side surface of the inductance assembly;

• the inductance assembly comprises a magnetic core, a first main winding, a second main winding, a VIN electrical connector and a GND electrical connector;
• an upper end of the first main winding, an upper end of the second main winding, an upper end of the VIN electrical connector and an upper end of the GND electrical connector are exposed out of the plastic packaging material from a top surface of the inductance assembly respectively, and a lower end of the first main winding, a lower end of the second main winding, a lower end of the VIN electrical connector and a lower end of the GND electrical connector are electrically connected with the bottom substrate respectively;
• and the first main winding and the second main winding respectively penetrate through the magnetic core;
• the first main winding and the second main winding respectively comprise a main winding main body, a main winding first end and a main winding second end;
• the main winding first end extends from one end of the main winding main body to a top surface of the magnetic core, and the main winding second end extends from an other end of the main winding main body to the bottom substrate of the magnetic core;
• the main winding main body is horizontally arranged;
• the first main winding and the second main winding are arranged in a second-order rotationally symmetrical manner, and the first main winding and the second main winding are reversely coupled.