BQ771611DPJR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion
Number of Cells:	2 ~ 4
Fault Protection:	Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 110°C (TA)
Package / Case:	8-WDFN Exposed Pad
Supplier Device Package:	8-WSON (3x4)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC - Battery Management: BQ771611DPJR Application Field and Working Principle

The BQ771611DPJR, by Texas Instruments, is a highly integrated and cost-effective single-cell Li-ion battery management IC which is mainly used for safety protection and cell balancing for lithium-ion batteries. It has many advantages and is quickly becoming one of the most popular battery management ICs in the industry.

Application Field of BQ771611DPJR

The BQ771611DPJR has many advantages which make it ideal for a wide range of applications. It is versatile, allowing it to be used in a variety of systems, such as automotive, industrial, consumer, energy storage and medical. With its low power consumption and wide operating temperature range, the device can be used in harsh environments, including high temperature and vibration conditions, making it suitable for use in harsh, rugged conditions. For example, it can be used for the monitoring and protection of automotive batteries and medical devices such as hearing aids, in addition to the more common consumer applications.

Working Principle

The BQ771611DPJR uses a combination of current and voltage sensing to detect battery state parameters like capacity, state of charge (SOC) and internal resistance. It also features a comprehensive protection system which prevents the battery from being overcharged, over-discharged, short-circuited, or combined in parallel or in series. When any of these cases is detected, the device will automatically shut down the power to the battery and disconnect it from the system. The BQ771611DPJR also features an advanced cell balancing function, allowing users to balance cells in series and parallel battery packs. This allows the individual cell voltages to remain at the same level to maximize system performance and improve the reliability and service life of the battery.The device also provides advanced diagnostics functions and an integrated relay driver for system shutdown. The advanced diagnostics and protection functions allow the user to monitor the system for potentially dangerous conditions and alert the user in case of any faults.

Conclusion

The BQ771611DPJR from Texas Instruments is a versatile, cost-effective, and highly integrated single-cell Li-ion battery management IC. It can be used for a wide range of applications and is suitable for harsh environments. The device offers an array of features, including advanced diagnostics and protection, current and voltage sensing, and cell balancing. This makes it an ideal choice for high-reliability applications such as automotive, consumer, energy storage, industrial, and medical.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description