Li Ion Battery 1S BMS Circuit Diagram & Working Theory || DW01 Lithium Battery Protection IC

Опубликовано: 01 Август 2026
на канале: TechTools By ZeroLab
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Hello Friends In this video I have tried to give you detailed information about Li Ion Battery 1S BMS Circuit Diagram & Working Theory || DW01 Lithium Battery Protection IC. I hope this video will prove useful for you.
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The DW01A is an easy-to-use battery protection IC that combines the features of overvoltage, undervoltage, and overcurrent detection in one IC that comes in a compact SOT-23-6 package. This IC needs two external MOSFETs to switch the battery current, as well as a few passive components.
The overvoltage and undervoltage thresholds are set internally, at 4.3V and 2.4V respectively, and the release thresholds are 4.1V and 3.0V respectively. The overcurrent section depends on the on-resistance of the external MOSFETs. There is also a small delay time so that the IC does not false-trigger on short current bursts. The overcurrent threshold is 150mV, measured with respect to ground.
Pin Out Details....
Pin 1 OD
Discharge control MOSFET gate pin
Pin 2 CS
Current sense and charger detect input
Pin 3 OC
Charge control MOSFET gate pin
Pin 4 TD
Delay time reduction test pin
Pin 5 VCC
Power supply pin
Pin 6 GND
IC ground reference
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Lithium Ion Battery Protection Board
Li-Ion BMS
Lithium Phosphate Battery Protection Board
LFP BMS
1S10A BMS
1S2A BMS
LiFePO4
Lithium Phosphate Battery
Lithium Ion Battery
32650 Lithium Battery
18650 Lithium Battery
Li-Ion Battery
1S BMS Circuit Diagram With Working Theory
1s bms
1s bms connection
1s bms in series
1s bms charging voltage
1s bms input voltage
1s bms 10a
1s bms lifepo4
bms 1s 5a
diy 1s bms
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Tags :
#LiIonBMS #LiFePO4BMS #techtools