BQ2000TSN-B5G4

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The BQ2000TSN-B5G4 is a battery charger that is implemented in the electronics industry. It is used to charge a variety of battery chemistries, including Li-Ion, LiFePO4, NiMH, and NiCd. This charger offers accurate, fast, and safe charging of batteries, as well as nice protection features for both the user and the battery.

Application Field

The BQ2000TSN-B5G4 offers a unique battery charging solution for many industries, including:

• Automotive – In vehicles such as cars and motorbikes, the BQ2000TSN-B5G4 ensures the highest levels of safety while providing the highest regulated output current.
• Consumer – For consumer electronics applications, this device features a switching solution to keep the total system costs to a minimum.
• Industrial – Industrial applications require a battery charging solution that meets stringent safety requirements. The BQ2000TSN-B5G4 meets these criteria with its slew rate controlled output and shutdown timer feature.
• Medical – For medical applications, the charger enables quick, yet safe charging of the batteries. This prevents accidental venting issues, which can be deadly in certain medical situations.

Working Principle

The BQ2000TSN-B5G4 is a constant current/constant voltage (CC/CV) battery charger. It works on a closed-loop principle, meaning that it monitors the battery voltage and current, and automatically adjusts its outputs to maintain a constant charging current and a constant voltage. The device also has temperature-sensing and current-limit circuits. Temperature sensing ensures that the battery is not charged to a temperature that is too high. Current-limit circuits are used to keep the charge currents within a safe limit.

The BQ2000TSN-B5G4 has an internal switching power stage, which enables faster and more efficient charging of the batteries. The device also has an integrated MOSFET in order to ensure higher efficiency, minimal heat production, and low voltage drop across the MOSFET. The device is designed with a low-profile surface mount package, making it suitable for high-density industrial and consumer applications.

The charger has several protection features, including over-temperature protection, short-circuit protection, and over-current protection. It also has a shutdown timer for automatically shutting off the charger in the event of extended non-use. This helps prevent battery overcharging and protect the battery from unnecessary damage.

Conclusion

The BQ2000TSN-B5G4 is an innovative battery charger that is suitable for a wide range of automotive, industrial, consumer, and medical applications. Its CC/CV charging method, internal switching power stage, and integrated MOSFET enable efficient and safe charging of the battery. The device also has several protection features and a shutdown timer to ensure the maximum safety of the battery.

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