BQ27542DRZR-G1 Integrated Circuits (ICs)

Series:	Impedance Track™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Fault Protection:	--
Interface:	HDQ, I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-VFDFN Exposed Pad
Supplier Device Package:	12-SON (2.5x4)
Base Part Number:	BQ27542

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Battery Management IC: BQ27542DRZR-G1

Battery Management ICs are specialized ICs that are essential components in any battery powered system. They are a combination of voltage regulation and charging capabilities, battery state of charge monitoring, and safety mechanisms. The BQ27542DRZR-G1 is a Battery Management IC from Texas Instruments that offers these functionalities and more.

Overview

The BQ27542DRZR-G1 is an advanced battery management IC with a wide array of features and functions. It is based on the BQ27542 system-side fuel gauge which allows the user to monitor and manage the complete state of charge (SOC) of any Li-ion battery. It is compatible with both multi-cell Li-ion batteries and single-cell LiFePO4 batteries, and suitable for applications ranging from smartphones to laptops and industrial robotics.The BQ27542DRZR-G1 features a range of system monitoring, power control, and charging features. It utilizes a comprehensive communication interface, including I2C/SMBus, Thermistor, Coulomb Counter Input, and Comparator Input. It also supports self-discharge compensation, which allows it to accurately monitor the SOC of the battery over extended periods of time.

Application Field

The BQ27542DRZR-G1 is designed for applications where accurate tracking and power control of a Li-ion battery is desired. It is suitable for a wide range of applications, from low-power mobile devices up to high-power industrial systems. Some of the major applications of BQ27542DRZR-G1 are:

• Smartphones, tablets and other mobile devices
• Laptops and Ultrabooks
• Robotics, drones, and automotive systems
• Portable medical equipment and instrumentation
• Industrial machines and Automation equipment

Working Principle

The BQ27542DRZR-G1 uses a combination of system monitoring and power control algorithms to manage the state of charge of a Li-ion battery. It measures the battery voltage and current, and uses this information to accurately monitor the battery\'s SOC.At the same time, it also controls the charging of the battery. It will detect when the battery is low and turn on the charging circuit, and limit the charging current to the battery\'s rating. It will also terminate charging when the battery is full, in order to protect the battery from overcharging and possible damage.

Conclusion

The BQ27542DRZR-G1 is a highly advanced Battery Management IC from Texas Instruments. It offers accurate monitoring, power control, and charging capabilities, which are essential in any battery powered system. It is suitable for a wide range of applications, from mobile devices to industrial systems, and is an essential component in any system.

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