Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-01-10 Hits: Popular:AG11 battery
Introduction to IC parameters and technical indicators of lithium battery protection board. Lithium batteries are mainly composed of two large parts, the battery cell and the protective plate PCM. The function of the protective board is mainly to protect the cells of rechargeable batteries, maintain the safety and stability of the lithium battery during charging and discharging, and play an important role in the performance of the entire battery circuit system.
Lithium battery protection board IC parameters
1. Main parameters of lithium battery protection IC
1)Package
2) Overcharge voltage
3) Overcharge release voltage
4) Over-discharge voltage
5) Over-discharge release voltage
6) Pressure resistance
2. Main parameters of MOSFET
1)N groove, P groove
2) Internal resistance
3) Packaging (TSSOP8 , SOP8 , SOT23-6, etc.)
4) Current resistance
5)Withstand voltage
6) Whether it is internally connected
Main technical indicators of lithium battery protection board
1. Voltage protection capability
Overcharge protection: The lithium battery protection board must have the ability to prevent the cell voltage from exceeding the preset value. Overdischarge protection: The protection board must have the ability to prevent the cell voltage from falling below the preset value.
2.Current capability
As a safety protection device for lithium batteries, the protective board must not only work reliably within the normal operating current range of the equipment, but also act quickly when the battery is accidentally short-circuited or overcurrent to protect the battery core.
3. On-resistance
Since the working frequency of communication equipment is high, data transmission requires a low bit error rate, and the rising and falling edges of its pulse train are steep, so the battery's current output capability and voltage stability are required to be high, so the MOS tube switch of the protection board is turned on. The resistance should be small, and the single cell protection plate is usually <70mΩ. If it is too large, it will cause the communication equipment to work abnormally, such as the mobile phone suddenly disconnecting during a call, the phone cannot be connected, noise, etc.
4. Self-consumption current
Definition: The operating voltage of the IC is 3.6V. In the no-load state, the operating current flowing through the protection IC is generally very small. The self-consumption current of the protection board directly affects the standby time of the lithium battery. The self-consumption current of the protection board is usually specified. Less than 10 microamps.
5. Mechanical properties, temperature adaptability, and antistatic ability
The lithium battery protection board must be able to pass the vibration and impact tests specified by the national standard; the protection board can work safely at -40 to 85 degrees, and can withstand the non-contact ESD static test of ±15KV.
The role of lithium battery protection board
The lithium battery protection board is to protect the charge and discharge of the series-connected lithium battery pack; when fully charged, it can ensure that the voltage difference between the individual cells is less than the set value, achieving even charging of each individual cell in the battery pack, effectively improving Charging effect in series charging mode;
At the same time, the overvoltage, undervoltage, overcurrent, short circuit, and overtemperature status of each single cell in the lithium battery pack are detected to protect and extend the service life of the battery; the undervoltage protection prevents each single cell from being discharged and used due to overheating. Damaged by discharge.
Because the parameters of lithium batteries are also different, the corresponding types of protective plates are also different. Generally speaking, lithium batteries generally have a corresponding lithium battery protection board to assist in their work. Because lithium batteries need to work under normal current and voltage, if the instantaneous current is too large due to short circuit or other reasons, it will directly damage the cells of the lithium battery, and the consequences are very dangerous, ranging from light to explosive. .
Read recommendations:
How to judge the battery.portable energy storage battery power supply wholesaler
Last article:402030 battery.What are the UPS battery structure and main technical parameters?
Next article:602030 lipo battery.What are the main technical parameters of uninterruptible power supply UPS?
Popular recommendation
solar energy battery storage system manufacture
2023-05-10li ion 18650 battery pack
2023-05-09601248 battery manufacture
2023-03-22602248 polymer battery company
2023-03-22energy storage battery for solar system Manufacturing
2023-05-10801538 480MAH 3.7V
2023-06-10Coin Battery CR 1025
2022-09-27Lithium Battery GN60120
2022-08-19703048 1100mAh 3.7V
2022-08-19LR20
2022-08-19803040 1000MAH 3.7V
2023-06-10Coin Battery LR 621
2022-10-15402427 260mAh 3.7V
2022-07-01Li-ion 18650 3500mAh 3.7V
2022-06-20Li-ion 32700 6000mAh 3.2V
2022-06-20Column rechargeable battery
2023-06-2518650 battery 3.7v 2200mah
2023-06-2518650 2200mah battery
2023-06-25AAA NiMH batteries direct sales
2023-08-04lipo battery
2023-06-25Working principle of supercapacitors
2024-05-28What is polymer lithium battery
2024-04-30Customized process for lithium batteries
2024-05-17How to reduce fuel power lithium batteries to reduce platinum metal dosage
2023-02-22Lithium Battery Cycle Life Extension Technologies
2025-08-13What are the advantages of the eight major advantages of lithium iron phosphate battery?
2023-03-09Lithium battery module.102450 polymer battery
2023-06-09LR754 battery.How to control the quality of lithium iron phosphate batteries?
2023-10-13Lithium ion polymer battery.501825 battery
2023-05-23Lithium iron phosphate battery pack is superior to lead acid battery
2022-11-24