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Lithium ion Battery PCM

(Summary description)Lithium ion battery PCM brief introduction

Lithium ion Battery PCM

(Summary description)Lithium ion battery PCM brief introduction

Information

The reason why rechargeable lithium batteries need protection is determined by their own characteristics. Because the material of the lithium battery itself determines that it cannot be overcharged, overdischarged, over-current, short-circuited, and ultra-high-temperature charged and discharged. The lithium battery component will always follow a delicate protective plate and a current fuse.

 

Lithium battery protection function

The protection function of the lithium battery is usually completed by the protection circuit board and the current device such as PTC. The protection board is composed of electronic circuits. It accurately monitors the voltage and the charging & discharging circuit current of the battery cell under the environment of -40 ℃ to + 85 ℃, timely control the on / off of the current loop; PTC prevents the battery from being damaged badly in high temperature environment.

Ordinary lithium battery protection boards usually include control ICs, MOS switches, resistors, capacitors, and auxiliary devices FUSE, PTC, NTC, ID, Memory, and so on. Among them, the control IC controls the MOS switch to be turned on under all normal conditions, so that the cell is connected to the external circuit, and when the cell voltage or loop current exceeds the specified value, it immediately controls the MOS switch to be turned off to protect the cell safety.

 

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