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With the development of science and technology, the performance of electronic equipment continues to improve, and internal high-frequency, high-power components are used more widely, while the volume is shrinking and the integration level is also increasing. In the context of smaller and smaller devices, if you want to exert more performance, you will inevitably face heat dissipation problems. Users will continue to use mobile phones longer, and games such as King Glory and Peace Elite have higher requirements for mobile phone processor performance. , Causing the phone to appear hot, which affects the user’s experience to a certain extent. Therefore, the development of mobile phone heat dissipation materials greatly affects the performance of products. Among them, thermal conductivity materials are mainly used to solve the thermal management problems of electronic devices. They are applied to the thermal interface of the system. The thermal resistance becomes smaller to improve the heat dissipation efficiency of semiconductor components. At present, the main thermal conductive materials on the market include metal backplanes, thermally conductive rubber pads, thermally conductive gels, thermally conductive graphite, etc. Among them, high thermal conductivity graphite film is an ideal mobile phone heat dissipation material, but the current cost is still relatively high and the technical difficulty is relatively large.
The power consumption of mobile phones mainly comes from modules such as the processor, screen, RF front-end, camera module, battery, and charging. After entering the full 5G era in 2020, 5G mobile phones need to support more frequency bands and implement more complex functions. The number of antennas has doubled, the RF front-end has increased, and the processor performance has improved. Upgrade, high-power fast charge upgrade, power consumption increase is about 2.5 times that of 4G mobile phones, heat dissipation demand is strong. In addition, the high refresh rate has become the standard configuration of flagship phones of various brands, and it has also become one of the important selling points of flagship phones. Driven by manufacturers such as OnePlus, OPPO, Xiaomi, and Samsung, high refresh rates have also become a hot spot for users, bringing users a more delicate and smooth experience. The heat dissipation of 4G mobile phones is dominated by graphite sheet heating interface materials. It is difficult to meet the heat dissipation requirements of mobile phones by relying only on graphite sheet membranes, and it is difficult to meet the heat dissipation requirements of 5G mobile phones. At present, the mainstream 5G mobile phone cooling system on the market uses more heat dissipation methods that combine heat dissipation pipes and soaking plates with thermal interface materials and graphite sheets, which drives the increase in the value of stand-alone heat sinks.
Reasons for the increasing demand for 5G mobile phone cooling
Although the status of mobile phone radiators is becoming more and more important, due to technological progress, the cost of mobile phone heat dissipation is also showing a gradual decline. For example, under the background that the chip uses an external 5G baseband design to cause greater power consumption and heat generation, mobile phone manufacturers tend to choose large-capacity batteries and a larger area of heat dissipation to cope with the increase in power consumption and heat caused by the external 5G baseband. It is not to further improve the heat dissipation capacity of the radiator. Mobile phones are limited by the size of the device and it is impossible to adopt large-volume heat dissipation devices and more systematic heat dissipation design like the PC side. The heat dissipation design often has to compromise for more new functions. Therefore, the scale of the domestic smart phone heat sink device market actually appears Declining trend, due to a further decline in domestic mobile phone shipments in 2020, the market size of my country's smart phone radiator parts is about 3.6 billion
The power consumption of mobile phones mainly comes from modules such as the processor, screen, RF front-end, camera module, battery, and charging. After entering the full 5G era in 2020, 5G mobile phones need to support more frequency bands and implement more complex functions. The number of antennas has doubled, the RF front-end has increased, and the processor performance has improved. Upgrade, high-power fast charge upgrade, power consumption increase is about 2.5 times that of 4G mobile phones, heat dissipation demand is strong. In addition, the high refresh rate has become the standard configuration of flagship phones of various brands, and it has also become one of the important selling points of flagship phones. Driven by manufacturers such as OnePlus, OPPO, Xiaomi, and Samsung, high refresh rates have also become a hot spot for users, bringing users a more delicate and smooth experience. The heat dissipation of 4G mobile phones is dominated by graphite sheet heating interface materials. It is difficult to meet the heat dissipation requirements of mobile phones by relying only on graphite sheet membranes, and it is difficult to meet the heat dissipation requirements of 5G mobile phones. At present, the mainstream 5G mobile phone cooling system on the market uses more heat dissipation methods that combine heat dissipation pipes and soaking plates with thermal interface materials and graphite sheets, which drives the increase in the value of stand-alone heat sinks.
Reasons for the increasing demand for 5G mobile phone cooling
