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The MAX5039EUA+T is an affordable monolithic power management integrated circuit (PMIC) designed by Maxim Integrated. This single-chip integrated solution operates over an input voltage range of 3V to 5.5V and provides four primary functions: power supply protection, power supply sequencing, power supply negation and system temperature monitoring. The MAX5039EUA+T can be used in a variety of applications including notebook and tablet personal computers, mobile phones, digital cameras and other portable devices. This document provides an overview of the MAX5039EUA+T and its capabilities.

Overview of MAX5039EUA+T

The MAX5039EUA+T is a high-performance, cost-effective monolithic PMIC from Maxim Integrated. The MAX5039EUA+T has low on-resistance and low-noise FETs to provide high efficiency, providing a wide range of voltage ranges for system power supply sequencing, power supply negation and temperature monitoring. The MAX5039EUA+T is optimized for power delivery and provides power supply protection from faults originating from the supply, output and load. The MAX5039EUA+T also features integrated FETs that can be used to switch off power to the system components and ensure the system is in a safe state while the MAX5039EUA+T is in shutdown mode. This can be used to prevent system damage due to over-voltage, over-current or over-temperature issues.

Features

The MAX5039EUA+T offers several features and benefits to system designers. It features low on-resistance and low-noise FETs that are optimized to deliver high efficiency while keeping noise very low. The MAX5039EUA+T includes protection from voltage, over-current, over-temperature and reverse-bias conditions, and can support up to 24 different power domains depending on application requirements. The MAX5039EUA+T also includes multiple independent FETs that can be used to switch off power to system components, providing higher levels of fault protection when used in combination with the system power supply seqencing and negation features. Finally, the MAX5039EUA+T features a 3V to 5.5V input voltage range, making it suitable for applications powered with Li-ion and Li-po batteries.

Application Areas of MAX5039EUA+T

The MAX5039EUA+T can be used in a wide variety of applications, including notebook and tablet personal computers, mobile phones, digital cameras, medical devices and other portable devices. In notebook and tablet personal computers, the MAX5039EUA+T can be used to provide power supply protection, sequencing, negation, and temperature monitoring. In mobile phones, the MAX5039EUA+T can be used to provide power supply protection, sequencing and negation, while in digital cameras it can provide protection from over-voltage, over-current, over-temperature and reverse-bias conditions. Additionally, the MAX5039EUA+T can also be used to provide power supply protection and sequencing in medical devices.

Working Principle

The MAX5039EUA+T provides multi-faceted protection, sequencing and negation, while utilizing low-on resistance FETs to ensure highly-efficient power delivery. The MAX5039EUA+T has low on-resistance FETs, allowing for higher voltage swing over the input and output stages of the power delivery path, resulting in improved system efficiency. The MAX50393EUA+T utilizes independent FETs for each power domain, so that the power is switched off in a local fashion to prevent any cross-domain damage. Additionally, the MAX50393EUA+T includes power supply sequencers and negators which turn off each power supply on a timed and logical sequence. This ensures that the negative logic control signals arrive at the power supply output in the correct order to prevent damage from wrong-order voltage application. Finally, the MAX5039EUA+T has integrated temperature sensing and monitoring, so that the system can be powered down in the event of an over-temperature situation.

Conclusion

The MAX5039EUA+T is an affordable monolithic PMIC from Maxim Integrated designed for a variety of applications, including notebook and tablet personal computers, mobile phones, digital cameras, medical devices and other portable devices. The MAX5039EUA+T provides a wide range of voltage ranges with low on-resistance and low-noise FETs for high efficiency power delivery and fault protection. Additionally, it provides power supply protection from voltage, over-current, over-temperature and reverse-bias conditions, and can support up to 24 different power domains depending on application requirements. The MAX5039EUA+T also includes integrated FETs for power supply negation and sequencing, making it an ideal choice for system designers looking for an efficient solution for power management in their applications.

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