MAX1758EAI+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion
Number of Cells:	1 ~ 4
Current - Charging:	Constant - Programmable
Programmable Features:	Timer
Fault Protection:	--
Charge Current - Max:	1.5A
Battery Pack Voltage:	19V (Max)
Voltage - Supply (Max):	28V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	28-SSOP
Base Part Number:	MAX1758

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Introduction

MAX1758EAI+T is a Power Management Integrated Circuit (PMIC) used as a battery charger in portable applications. It is designed to be used in conjunction with a low side switch and a buck regulator to create a simple, low-cost power management solution. The MAX1758EAI+T is ideal for a variety of battery powered applications ranging from mobile phones, tablets, and other mobile devices.The MAX1758EAI+T is a low current, low-voltage, compact battery charger with a small, low profile footprint and an integrated high-efficiency buck regulator. The PMIC features a versatile power management and charging solution that combines a high-accuracy current-limited charging algorithm with a high-efficiency buck regulator. Additionally, the MAX1758EAI+T enables autonomous control of the system\'s power consumption and charging from the battery.

Key Features of the MAX1758EAI+T

The MAX1758EAI+T offers several key features, including:- Current Limiting: The charging algorithm of the PMIC is designed to provide a current-limited charge at a pre-programmed level during the charging process to ensure a safe charging rate.- High-efficiency buck regulator: The integrated buck regulator offers high-efficiency, low-dropout performance to provide a power conversion efficiency of up to 95%.- Low Voltage Dropout (LDO): The MAX1758EAI+T features a low voltage dropout (LDO)-controlled start-up process with an adjustable voltage reference.- Integrated Supervisory Circuit: The integrated supervisory circuit provides protection against overcurrent, overvoltage and reverse current events.- Battery Status Indication: The PMIC includes an LED status indicator for checking the system\'s battery level.

Application Fields of the MAX1758EAI+T

The MAX1758EAI+T is ideal for a variety of battery powered applications ranging from mobile phones, tablets, to other mobile devices. Some of the key applications for the MAX1758EAI+T include:- Wearable devices: The MAX1758EAI+T is capable of powering a variety of wearable devices such as smartwatches and fitness trackers.- Mobile phones: The compact size and robust PMIC allow it to be used in small form factor, low power mobile phones.- Low power computing and networking: The MAX1758EAI+T is able to provide a small, low power solution for powering low power computing and networking applications.- Industrial applications: The integrated buck regulator, current-limited charging algorithm, and LDO control of the PMIC make it ideal for industrial applications.

Working Principle of the MAX1758EAI+T

The MAX1758EAI+T operates on a simple, low-cost power management solution. It is designed to be used in conjunction with a low side switch and a buck regulator.The PMIC features an integrated high-efficiency buck regulator to provide efficient power conversion. Additionally, the integrated current limit circuitry allows for a safe and reliable charging process. The buck regulator and current-limited charging algorithm work together to provide a low voltage dropout (LDO)-controlled start-up process with an adjustable voltage reference.The integrated supervisory circuit provides protection against a variety of events, including overcurrent, overvoltage and reverse current. The LED status indicators enable status to be determined quickly and at a glance.

Conclusion

The MAX1758EAI+T is an ideal PMIC for a variety of battery powered applications ranging from mobile phones, tablets, and other mobile devices. It is designed to be used in conjunction with a low side switch and a buck regulator to create a simple, low-cost power management solution. The MAX1758EAI+T is capable of providing efficient power conversion, current-limited charging, and protection against a variety of events. Additionally, the integrated LED status indicators provide a fast and convenient way to check the status of the system\'s battery.

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