BQ27410DRZR-G1 Integrated Circuits (ICs)

Series:	Impedance Track™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium Cobalt Oxide
Number of Cells:	1
Fault Protection:	--
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-VFDFN Exposed Pad
Supplier Device Package:	12-SON (2.5x4)
Base Part Number:	BQ27410

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Introduction

Power management integrated circuits (PMICs) are an important part of power supply design, as they enable efficient power delivery and protect associated components from damage due to excessive current or voltage. The BQ27410DRZR-G1 is a single-cell Li-ion battery fuel gauge PMIC with integrated Coulomb counter for efficient power delivery and protection. It is intended for use in applications such as laptop batteries, consumer electronics, and IoT applications.

Application Field

The BQ27410DRZR-G1 is designed for use with single-cell Li-ion batteries in consumer electronics and IoT applications, such as laptop batteries, consumer electronic consumer products, smart home products and portable medical devices. It provides accurate voltage, current, and temperature measurements to enable safe operation of the battery, while also providing power management features such as automatic over-discharge protection, safety timer, and maximum power point control.The BQ27410DRZR-G1 supportscommunication with the host system through an I2C interface, providing dynamic cell information for superior system control and data logging. Integrated safety features, including over-charge and over-discharge protection, prevent damage to the battery caused by excessive current or voltage. Additional features include built-in autocalibration, self-discharge compensation, and Coulomb counter functionality, making it a highly efficient system for safe battery operation.

Working Principle

The BQ27410DRZR-G1 is powered by a single-cell lithium ion battery. It monitors the battery\'s voltage, current, and temperature, and provides these readings to the host system for accurate system control and data logging.The BQ27410DRZR-G1 provides power management features to safely monitor and control the battery. The integrated Coulomb Counter keeps track of the chemical activity in the cell, allowing for accurate charge and discharge control. The over-discharge protection feature prevents excessive current from damaging the cell, while the over-charge protection feature prevents excessive voltage from exceeding the battery\'s specifications. In addition, the BQ27410DRZR-G1 utilizes a self-discharge compensation algorithm to accurately read the charge level of the cell even when the battery has been idle for long periods of time.The BQ27410DRZR-G1 is designed to be highly efficient, with a power consumption of just 180 μA in sleep mode, and 150 μA in run mode. It also features a wide temperature range of -40℃ to +85℃, making it suitable for a variety of applications.

Conclusion

The BQ27410DRZR-G1 is a highly efficient single-cell Li-ion battery fuel gauge PMIC with integrated Coulomb counter for efficient and safe power delivery and protection. It is intended for use in consumer electronics and IoT applications, providing accurate voltage, current, and temperature readings for superior system control and data logging. The integrated safety features and self-discharge compensation algorithm make it an ideal choice for safe and reliable battery operation.

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