BQ26200PWRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Function:	Battery Monitor
Battery Chemistry:	Multi-Chemistry
Number of Cells:	1 ~ 4
Fault Protection:	--
Interface:	HDQ
Operating Temperature:	-20°C ~ 70°C (TA)
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	BQ26200

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Introduction to BQ26200PWRG4

The BQ26200PWRG4 is an ultra-low power battery monitor for single-cell Lithium-Ion (Li-Ion) and 2-series Li-Polymer (Li-Poly) batteries. It is suitable for use in mobile consumer and industrial applications. It provides a regulated single-cell voltage of 4.2V allowing for a low power, configurable system with no external reference voltage.

Application Field

This BQ26200PWRG4 application is suitable for most single-cell Li-ion/Li-Poly battery packs. It is particularly well-suited to a variety of consumer applications including cell phones, electric vehicles, digital cameras, remote controls, handheld instruments, and gaming systems. It is also suitable for a variety of industrial applications such as dataloggers, automatic meter reading (AMR) systems, personal medical devices, and portable electric power tools.

Working Principle

The BQ26200PWRG4 monitors the voltage of a single-cell Li-Ion/Li-Poly battery and provides a regulated single-cell voltage of 4.2V. It incorporates several system elements including a battery monitor, high-side current sense amplifier, power FET switch, charge control and alert indicator.The BQ26200PWRG4 battery monitor monitors the voltage of the battery and uses a high-side current sense amplifier to measure the amount of current flowing through the battery. This data is used to determine the rate of charge or discharge of the battery. An adjustable charge control circuit manages the end-of-charge voltage to ensure maximum battery life. The alert indicator alerts the user when the battery needs to be replaced.

Conclusion

The BQ26200PWRG4 is an ideal solution for applications that require a low power, configurable system with no external reference voltage. It is suitable for a variety of consumer and industrial applications and provides a regulated single-cell voltage of 4.2V to ensure maximum battery life. It offers a high-side current sense amplifier to measure the amount of current flowing through the battery and an adjustable charge control circuit to manage the end-of-charge voltage. It also includes an alert indicator that alerts the user when the battery needs to be replaced.

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