GE B20 30 40i patient monitor Battery Board 2049756-001 2049757-001

About GE B20 30 40i patient monitor Battery Board 2049756-001 2049757-001

GE B20 30 40i patient monitor Battery Board 2049756-001 2049757-001 is a circuit board that protects the battery. It mainly consists of

electronic circuits. It accurately monitors the battery core voltage and current of the charging and discharging circuit in an environment between

-40°C and +85°C, and checks the switching on and off of the circuit in time.

Standard lithium battery protection boards usually contain control ICs, MOS switches, resistors, capacitors and some auxiliary components. The

controller IC controls the MOS switch to connect the battery core to the external circuit under normal conditions. When the voltage or current of

the battery core exceeds the specified value, immediately turn off the MOS switch to ensure the safety of the battery core.

The function of battery board

The lithium battery protection board is used to protect the lithium battery. The lithium battery protection board has four main functions: overcharge, over-discharge, over-current and reverse polarity protection.

1) Overload protection function:

The overload protection function ensures that the charger cannot continue charging when a certain voltage is reached. The MOS tube that controls overcharging turns off and stops charging.

2) Over-discharge protection function:

The overcharge protection function stops discharging the load when the battery voltage drops. The MOS tube that controls over-discharge is turned off and discharge is prohibited. This process is exactly the opposite of what happens when an overload is detected.

3) Over-current protection function:

The over-current protection function stops discharging the load when a large current draw occurs. The purpose of this function is to protect the battery and MOS tube and ensure the safety of the battery under certain conditions. After overcurrent detection, the battery returns to its normal state after being removed from the load and can be charged or discharged.

4) Short circuit protection function:

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