Introduction to the Use of Lithium Battery Chargers
Time
2022-08-04
Lithium battery chargers are chargers specifically designed to charge lithium-ion batteries. Lithium-ion batteries have high requirements for chargers and need to protect circuits, so lithium battery chargers usually have high control precision, and can charge lithium-ion batteries with constant current and constant voltage.
Lithium battery chargers are chargers specifically designed to charge lithium-ion batteries. Lithium-ion batteries have high requirements for chargers and need to protect circuits, so lithium battery chargers usually have high control precision, and can charge lithium-ion batteries with constant current and constant voltage.
Lithium battery charger has overvoltage protection and temperature protection function, lithium battery charger external current limiting charging power supply and P-channel FET, can be a single lithium battery safe and effective fast charge, its Z feature is not to use inductance can still achieve very low power dissipation, using 8 pin μMAX package. The charging control accuracy is 0.75%, which can realize pre-charging, the Z long charging time limit provides secondary protection for the lithium battery, and the float charging method of the lithium battery charger can make the battery capacity charge to Z large.
The lithium battery charger can automatically detect the charging power source and automatically shut down when there is no power to reduce battery leakage. After starting the fast charge, open the external P-type FET, when the battery voltage reaches the set threshold when entering the pulse charging mode, the P-channel FET will be open for shorter and shorter time, and at the end of charging, the LED indicator will flash according to the 12% cycle. When the charging power source and the battery are within the normal operating temperature range, inserting the battery will start the one-charge process; The condition for the end of charge is that the average pulse charge current reaches 1% of the fast charge current, or the time exceeds the charging time preset on the chip.
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