MAX713ESE+T

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PMICs, or power management integrated circuits, are essential components in many high-tech products. They provide a way to electronically control and monitor power flow in a product. PMICs are divided into many different categories, such as voltage regulators, battery chargers, D/A (digital to analog) converters, and more. The MAX713ESE+T is an example of a PMIC that is part of the battery charger family.

The MAX713ESE+T is a battery charge controller IC that includes an internal PWM (pulse width modulation) switch, an internal oscillator, and a dual low-dropout (LDO) linear regulator driver. It is primarily used in consumer electronics, such as smart phones and laptop computers, where it is used to charge rechargeable batteries. This includes Lithium-ion and NiMH batteries, as well as others.

The MAX713ESE+T is a versatile charge controller IC that can provide either constant current (CC) or constant voltage (CV) charging of the battery. In CC charging mode, the current is regulated at a set level regardless of the battery’s voltage. In CV charging mode, the voltage is regulated at a set level regardless of the battery’s current. This gives the user and product designer flexibility in selecting the best charging method for the particular product being designed.

The MAX713ESE+T allows for a variety of charging schemes as well. Pre-charge, rapid and topping charge modes are some of the trickle charge options available in addition to the CC and CV modes. It also includes monitoring of battery temperature and voltage to ensure safe and efficient charging. An additional feature is the ability to switch between the linear and PWM modes, depending on the charging requirements. Overall, the MAX713ESE+T is highly versatile, easily adaptable to different application requirements, and provides the necessary protection for the battery it is charging.

The MAX713ESE+T works by monitoring the voltage of the battery and adjusting the current to ensure that the battery is charged at the desired level. This is done through a series of control loops. The voltage loop monitors the voltage of the battery and switches the internal high-side output PWM switch on and off in order to regulate the current being delivered. The current loop monitors the current being delivered to the battery and adjusts the voltage loop as needed to maintain a constant current.

In addition to the voltage and current loops, the MAX713ESE+T also includes a protection loop. The protection loop monitors the battery voltage and current, as well as battery temperature, and shuts off the charging current if the readings are outside predetermined ranges. This protects the battery from being overcharged, as well as from being damaged by excessive heat.

The MAX713ESE+T is one example of a PMIC that is used in the battery charger family for consumer electronics. It offers an efficient, safe, and flexible way of charging rechargeable batteries through constant current, constant voltage, and other charging modes. By monitoring the battery voltage, current, and temperature, the MAX713ESE+T ensures safe and effective operation and offers protection against overcharging or excessive heat. With its included PWM switch, oscillator, and dual LDO linear regulator driver, the MAX713ESE+T offers a comprehensive solution for battery charging systems.

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