BQ2084DBTR-V123

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	2 ~ 4
Fault Protection:	--
Interface:	SMBus
Operating Temperature:	-20°C ~ 85°C (TA)
Package / Case:	38-TFSOP (0.173", 4.40mm Width)
Supplier Device Package:	38-TSSOP
Base Part Number:	BQ2084

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Introduction

BQ2084DBTR-V123 is a member of the Battery Management (BM) family of Power Management Integrated Circuits (PMIC). This device is specifically designed for battery management and power saving for applications such as portable electronic devices, communication equipment, and Intelligent Mobile Network (IMN) systems. It features a wide range of current measurements on both its input and output, enabling precise battery monitoring, while a comprehensive feature set, including a dual-input power path and an integrated low-side power switch, makes it ideal for a variety of end applications.

Application Fields

The BQ2084DBTR-V123 device is used in a variety of applications, ranging from portable electronic devices to Intelligent Mobile Network (IMN) systems. Its main features include current measurements across both its input and output, allowing for precise battery monitoring, as well as a host of other features.One of the primary applications for this device is in portable electronic devices such as smartphones and tablets. The BQ2084DBTR-V123’s current monitoring capability enables monitoring of battery health, along with over- and under-voltage protection. Furthermore, its dual-input power path ensures that the battery can be connected to an external power source in case of excessive power draw.The BQ2084DBTR-V123 also proves to be an invaluable asset to Intelligent Mobile Network (IMN) systems. Its current monitoring and detection capability and low-side power switch help to ensure energy efficiency in wireless communication networks, while its over- and under-voltage protection help to prevent battery and equipment damage.

Working Principle

The BQ2084DBTR-V123 operates on the principle of controlling and monitoring the current flow between both its input and output ports. The device is designed to measure the voltage, current, temperature, and feature a range of operational parameters in order to regulate the power flow and ensure energy efficiency.The device also features a dual-input power path. This allows the device to switch between the battery and an external power source, depending on the requirements of the application. This ensures that power is available to the device even during peak times, without the risk of an over-current situation. Additionally, the integrated low-side power switch helps to further control and regulate the power flow.In order to optimize battery life, the device also offers a variety of battery monitoring tools. These include the ability to keep track of cell voltage, temperature, current, and capacity in order to monitor battery health. This data can be used to safely increase charge, discharge, and trickle charging. This feature set is especially invaluable when dealing with applications such as portable electronic devices and communication equipment, where battery life is critically important.

Conclusion

The BQ2084DBTR-V123 is a member of the Power Management Integrated Circuit (PMIC) family of Battery Management (BM) devices. This device offers a comprehensive feature set that enables precise battery monitoring and power saving for a variety of applications. It operates on the principle of controlling and monitoring the current flow between both its input and output ports, while featuring a dual-input power path and an integrated low-side power switch, as well as a host of other features to optimize and monitor battery health. As a result, this device is highly applicable for a range of applications from portable electronic devices to Intelligent Mobile Network (IMN) systems.

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