Battery Temperature Testing
应用文章
Introduction
The invention of smartphone technology has enabled us to be more connected and productive in our busy daily lives. The technology has received incremental new features and updates year-over-year, which makes it more capable beyond a communication and computing device.
As the usage trend and demand increase, it puts pressure on the smartphone device manufacturer to increase the device power-on time to serve its user. While increasing battery capacity does help to prolong device power-on time, it negatively impacts device charging time and takes up valuable space for the electronics.
To overcome this challenge, more and more smartphone device manufacturers are pushing high currents and power to charge their devices. This technique is proven effective in reducing battery charging time and indirectly aids in prolonging device power-on time. However, the shortcoming of this technique is that it generates a lot of heat because of the energy transfer loss. The effect is more prominent when using a low-efficiency wireless charger, an aging smartphone battery, or a low-quality battery due to the increase of battery internal resistance.