MAX17435ETG+T

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Power Management IC (PMIC) is a must-have component in practically every electronic application and it is designed to monitor and control voltages, currents, and power in many different kinds of systems. One of the most popular categories of PMICs is the Battery Charger, and the MAX17435ETG+T is a controller and battery charger in one, utilizing MOSFETs to deliver four-phase current-regulated charging.

MAX17435ETG+T is an advanced single-inductor battery charger designed for applications such as mobile phones, tablets, notebooks, and other handheld devices. It reduces component count, component cost, and board size while providing efficient charging, high power density, and fast charge time. It supervises the battery voltage and current, controls system power supplies, and implements a useful pre-charge, constant-current, and constant-voltage control algorithm to control charging levels and protect the battery.

The MAX17435ETG+T is an integrated system-level solution, combining MOSFETs, IC references, voltage and current sense amplifiers, clocks, safety features and charging control logic. The IC features integrated digital current and voltage regulators and programmable current and charge levels, allowing users to customize the charging capabilities. There are several protection options for the MAX17435ETG+T, such as over-temperature, over-charge and reverse current protection.

The MAX17435ETG+T can be used with a wide range of battery types, such as Li-Ion, Ni-Cd and Ni-MH. It supports up to 4.5A of charge current and is scalable up to 6-cell battery solutions. When charging is enabled, the MAX17435ETG+T regulates the battery voltage across a range of 4.2V to 8.4V, with a programmable termination voltage up to 8.4V. The MAX17435ETG+T has an adjustable charge current control algorithm, allowing the user to select the rate of charge current.

The MAX17435ETG+T supports charge modes such as pre-charge, constant-current, and constant-voltage, with loop control features to maximize the charging efficiency and cycle life of the battery. Pre-charge mode ensures that the battery is completely charged before constant-current mode takes over to give the battery a fast, safe charge. The MAX17435ETG+T also supports safety features such as automatic cell temperature monitoring, over-current and over-voltage protection, and an auto-reset feature that prevents damage from over-charging and over-heating.

In short, the MAX17435ETG+T is a sophisticated, cost-effective Power Management IC for battery charging applications. It helps reduce component count, component cost, and board size, while still delivering efficient, high power density and fast charge times. Its numerous safety features, coupled with its flexibility and scalability, make it a great choice for any battery charging application.

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