How to check the multi board to board connector of mobile phone

Inside the mobile phone ‍ ‍ Board to board connector ‍ ‍ The application of is basically focused on the battery, screen, camera, fingerprint module, headset, button and other parts of the mobile phone. Board to board connector plays a stable role in electrical transmission and connection. It is an indispensable electronic component of mobile phone. With the development of 5g technology, the hardware of mobile phone motherboard is constantly upgraded, and the consumption of board to board connector in mobile phone is also increasing. With the development of three camera and four camera of mobile phone, the board to board connector of mobile phone can be increased by about 1 ~ 3 pairs, 5g antenna needs to add 1 ~ 2 pairs of board to board connector, under screen finger module, pressure sensing button, linear motor, etc.

Android phone Board to board connector The usage of mobile phones is about 17 and 8 pairs, and most of Apple phones are 22 pairs, accounting for half of the usage of internal connectors of mobile phones. It can be seen that the application of 5g Network + mobile phone multi camera and the new exchange trend directly drive the market demand of board connector. In the field of mobile phones, the market situation of board to board connectors is very good.

Board to board connector It is widely used in mobile phones, and its performance requirements are of course very strict. The board to board connectors used in mobile phones not only have strict technical requirements in production, but also all raw materials and materials are very good. Testing is the best way to check the quality and performance of board connectors. Multiple board connectors in the mobile phone board are mainly small spacing and large current. It is necessary to adapt to small pitch and large current transmission, and test the modules of multiple board connectors at the same time.

High current shrapnel microneedle module 4-8 pairs of board to board connectors can be tested at the same time. The shrapnel head can fully contact the male and female seats of board to board connectors. Different head types can also be applied according to the characteristics of male and female seats to achieve correct connection and positioning. In the seat test of board to board connector, sawtooth shrapnel contact can be used. In the seat test of stable connection, sharp shrapnel can be used to maintain long-term stable contact. The good rate of seat test reaches 99.8% and the performance is excellent.

The floating plate of high current shrapnel micro pin module has a special limit frame design. At the same time, it tests multiple board to board connectors of mobile phones to ensure horizontal movement, automatically correct the deviation and ensure the stable connection between shrapnel and connectors. In a small pitch, the high current shrapnel microneedle module can cope with a pitch value of 0.15mm at least, with good stability and no pin jamming. When the current of the needle is continuously transmitted, it can carry a high current of 50A at most. The current flows in the same material, with a certain voltage and basically no current attenuation, and has stable connection performance.

The traditional pogopin probe module has poor stability in the board to board test of mobile phone, and can only carry 1A current. The test yield of mother base is low, and the connection is unstable. The pin and broken pin are easy to get stuck, so it is hardly used, let alone testing multiple board to board connectors at the same time. In addition to the above advantages, the high current shrapnel microneedle module has an average service life of 20W times, which does not need continuous use and replacement, avoids material waste, greatly improves the efficiency of simultaneous testing of multiple board to board connectors of mobile phones, reduces the testing cost, solves the testing problems, and achieves the optimization of the testing scheme.