November 11,2023
mini cooper fuse box symbols meaning.Application of PPTC chip fuse in single lithium battery
Nowadays, more and more products such as mobile phones, digital cameras (cameras), PDAs, MP3/4, etc. use lithium batteries as the power supply for system circuits. The requirements for power supply emphasize the advantages of lithium batteries such as small size, high energy density, no memory effect, and the ability to be reused multiple times. However, lithium battery explosions have also occurred frequently recently. So the safety of lithium-ion batteries is increasingly attracting people's attention. Choosing the appropriate patch fuse for the lithium battery protection board is also very important. 1、 Composition of a single lithium battery Lithium batteries mainly consist of battery cells and battery protection plates (as shown in Figure 2) The main functions of the lithium battery protection board are: (1) overcharging protection, (2) over discharge protection, (3) overcurrent/short circuit protection Main components of lithium battery protection board: 1. Protection IC