MAX6439UTAGRD3+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Battery Monitor
Battery Chemistry:	Multi-Chemistry
Number of Cells:	1
Fault Protection:	--
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6
Base Part Number:	MAX6439

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Introduction

The MAX6439UTAGRD3+T is a very effective and powerful Application-Specific Integrated Circuit (ASIC) specifically designed for battery-management functions. This integrated circuit is used to monitor, control, and protect against power related issues, regulatory conditions such as short-circuiting and abnormal depths of discharge, and any other issues related to the safe operation of batteries and the devices that use them. It includes digital and analog features, which provide the user with many advantages, even more efficient and effective solutions for battery management.

What is MAX6439UTAGRD3+T

The MAX6439UTAGRD3+T is a monolithic power management and control IC (PMIC) specifically designed for Li-ion and Li-polymer cells. It is intended for use with a variety of cell chemistries used in Li-ion/Li-polymer battery packs from 3.0 to 4.2 V, such as pouch, coin, and prismatic cells.The IC has an integrated buck–boost DC-DC converter, a battery charger, a hot swap control circuit, and integrated gas gauges to control battery charging and discharging. The IC includes an integrated dual-SPI interface port and multiple protection functions to ensure safe operation of the device.

Application Field of MAX6439UTAGRD3+T

The MAX6439UTAGRD3+T is primarily used as a PMIC in battery-management applications. It is primarily used as a voltage regulator and battery charger in battery-powered products, including digital cameras, portable medical instruments, mobile phones, and tablets. In addition, the IC can be used in other energy-storage solutions like solar energy, energy harvesting, and supercapacitors.

Working Principle of MAX6439UTAGRD3+T

The MAX6439UTAGRD3+T is designed to monitor and regulate the power management and conversion of energy from either outlet electricity or a rechargeable battery. It performs this process autonomously by using the specific features and systems it contains. The DC/DC converter within this IC is responsible for taking a given voltage (in the range of 3.0-4.2 V) and regulating it to different levels of voltage, depending on the application. The battery charger is responsible for controlling the charging and discharging of the battery by monitoring the voltage and current levels. The hot swap controller acts as an interface between the battery and load, and is responsible for providing a reliable connection between the two. The integrated gas gauge is used to monitor the amount of charge remaining in the battery as well as the current and voltage levels, enabling the IC to provide an accurate representation of the battery’s state.

Conclusion

The MAX6439UTAGRD3+T is a very effective and powerful Application-Specific Integrated Circuit (ASIC) specifically designed for battery-management functions. This IC is designed to monitor, control, and protect against power related issues, and provides efficient solutions for battery management. It is primarily used as a PMIC in battery-management applications, such as digital cameras, portable medical instruments, mobile phones, and tablets, while it can also be used in other energy-storage solutions like solar energy, energy harvesting, and supercapacitors. Its integrated buck–boost DC-DC converter, battery charger, hot swap control circuit and integrated gas gauges are all part of the power management and control process. This IC helps to provide reliable, efficient, and effective solutions for battery management in today’s market.

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