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Author ：Iflowpower – Portable Power Station Supplier
The status quo of lithium-ion battery protective board With the development of modern technology, the advancement of modern industrialization, the technology development of lithium-ion battery PACK is increasingly matured, this is to pay attention to the original threshold of lithium-ion battery protection board. Strictly speaking, the lithium-ion battery protective board is processed, and there is enough processing equipment, and inspection, verify the function of the product, and the manufacturer of the simulated working environment may guarantee the function of the protector. However, there are some manufacturers who have some manufacturers to have these complete processing equipment can also be processed.
At present, the lithium-ion battery and its use industry have marginalized protective plate technology. Taking lithium-ion battery electric bicycles as an example, electric vehicles are usually divided into three parts: motor, controller and power lithium-ion battery. The vehicle factory handed the protective board to the battery core factory, the protective board is only an attachment of the lithium-ion battery, and the battery core factory belongs to the electrochemical industry, the equipment, the technical staff are in accordance with the requirements of the electrochemical industry.
Configured, although some of the battery core is also configured by Pack's technicians, but it is only responsible for purchasing protection boards, and the battery core factory does not have the ability to design protector. Therefore, the lithium ion battery protection plate is not only to protect the lithium ion battery cell, but also the adapter between the lithium ion battery cell and the load. Lithium-ion battery protective board manufacturers should bridge links between the battery core factory and the vehicle factory.
Lithium-ion battery protective board Design Testament The lithium-ion battery protective plate has two design methods, which are the same positive electrode plate, the negative electrode plate, the principle and the purpose, and the power supply is connected to the lithium-ion battery protective plate, so in some devices. At startup, the current passed by the lithium-ion battery protection circuit is large, and the circuit will be a big impact. If some of the wiring is designed to be weak, it will face the risk of burning board.
The number of single-cell lithium-ion battery protective chips determines according to the number of lithium ion battery pack cells, in series, respectively, the charge and discharge, overcurrent, and short-circuit state of the corresponding single-cell lithium ion battery, respectively. While charging protection, the system is charged by protective chip control shunt discharge branch switching devices, which is different from the conventional practice of balanced charging in the charger end, and reduces lithium-ion battery pack charger. Cost of design.
With the vigorous development of new energy, many companies use lithium-ion batteries to replace the original lead-acid battery, nickel-hydrogen battery, etc., due to the activity of lithium ions, using lithium ion batteries must increase the lithium ion battery protection plate, alert Lithium-ion battery is overflow. The design of the lithium-ion battery protection circuit can satisfy the protection of the serial lithium ion battery pack protection, the protection is complete, can reliably perform overcharge, over-discharge protection, and achieve equalization charging function.
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