MAX8903NETI+T

Series:	Smart Power Selector™
Packaging:	Tape & Reel (TR)
Part Status:	Last Time Buy
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Current, Timer
Fault Protection:	Over Voltage
Charge Current - Max:	2A
Battery Pack Voltage:	4.15V
Voltage - Supply (Max):	16V
Interface:	USB
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	28-WFQFN Exposed Pad
Supplier Device Package:	28-TQFN (4x4)
Base Part Number:	MAX8903

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Overview of MAX8903NETI+T

The MAX8903NETI+T is a power management integrated circuit (PMIC) specifically designed for battery charging applications. This PMIC comes equipped with a host of features that make it ideal for use in a variety of battery charging applications. It includes an integrated voltage regulator to ensure the proper voltage is always applied to the battery, as well as integrated current limit, fault protection, and thermal monitoring features that help to keep the system safe and reliable. Additionally, the included onboard charger allows for quick and easy charging of the battery.

Application Field

As a PMIC designed specifically for battery charging applications, the MAX8903NETI+T is ideal for use in a variety of consumer and industrial applications. This includes products such as electrical and hybrid vehicles, drones, robotics, portable consumer electronics, medical devices, wearables, consumer appliances, and more. Additionally, the MAX8903NETI+T is highly compatible with a range of battery technologies, including NiMH, Lithium-Polymer, and Lithium Iron Phosphate. The MAX8903NETI+T’s integrated regulator and onboard charger are designed to make the battery charging process both reliable and efficient. The integrated voltage regulator ensures the battery is only provided with the necessary amount of voltage, while the onboard charger allows for a quick and easy charging process.

Features and Benefits

The MAX8903NETI+T is designed for easy integration and has a variety of features and benefits, which include:

• Integrated voltage regulator and current limit circuit
• Fault protection and thermal monitoring
• Onboard charger for fast, reliable charging
• Compatible with a range of battery technologies
• High efficiency
• Compact size

Working Principle

The MAX8903NETI+T is designed to provide reliable and efficient charging of a battery while also protecting the system from potential faults. The working principle of the MAX8903NETI+T is as follows:

• The voltage regulator provides constant voltage to the battery and protects it from overvoltage, while the current limit circuit limits the amount of current flowing into the battery.
• The integrated fault protection circuit detects any potential faults in the system, such as an overcurrent condition. If a fault is detected, the circuit immediately shuts off the charger.
• The thermal monitoring feature ensures that the system does not overheat, by monitoring the device’s temperature to detect any potential temperature-related issues.
• The onboard charger is designed to provide a fast, efficient charging process. The charger is capable of quickly charging the battery, while also ensuring the battery is not overcharged.

Conclusion

The MAX8903NETI+T is an ideal PMIC for battery charging applications. Its integrated voltage regulator and current limit circuit helps to ensure the battery is always being supplied with the proper amount of voltage, while its onboard charger allows for a quick and reliable charging process. Additionally, its fault protection and thermal monitoring features help to keep the system safe and enable it to run more efficiently.

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