How much do you know about the power protection board?

       Its purpose is to protect lithium batteries from damage and extend their lifespan. It will provide the most stable and effective protection against accidents in the event of extreme battery problems, and its safety and reliability are very strong.

The power protection board system has individual voltage overcharge, total voltage overcharge, overcurrent, high temperature, low temperature, short circuit, etc. The protection measures are as follows (the protection threshold can be modified). When the individual voltage or total voltage is overcharged and exceeds the set protection threshold, the charging MOSFET is turned off and charging needs to be stopped; 2. Charging overcurrent. When the protection threshold of 15A is exceeded for 90 seconds, the charging MOSFET is turned off and charging needs to be stopped; 3. Discharge overcurrent. When the protection threshold of 105A is exceeded for 90 seconds, the discharge MOSFET is turned off and the discharge needs to be stopped; 4. The temperature of the battery pack is abnormal. When the temperature of the battery pack is greater than 75 ℃ and less than -20 ℃, the charging and discharging MOSFET is turned off and the battery pack stops working; 5. When there is a short circuit in the battery pack, immediately turn off the charging and discharging MOSFET and stop the battery pack from working when an instantaneous high current (200A) occurs.

With the rapid development of mobile electronic devices and the continuous expansion of the energy market, the demand for lithium-ion batteries will also increase. The high capacity, moderate voltage, wide range of sources, long cycle life, low cost, good performance, and no environmental pollution of lithium-ion batteries are the advantages.

As a new generation of green high-energy batteries, the power battery protection board is a necessary equipment to enhance the safety of power lithium-ion batteries. In most cases, lithium battery protection boards should have the function of controlling the working conditions of lithium-ion batteries, including a series of functions such as voltage, current, temperature, etc. Due to the special nature of lithium ion batteries, they must be used in conjunction with protective plates to ensure the safety and reliability of the entire device. Battery safety protection undoubtedly makes it the primary, most important, and highly valued aspect of electric vehicle management systems.

The power battery protection board is used to protect the battery from damage and extend its service life.