ISL6292-2CR4Z

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PMIC - Battery Chargers provide power management integrated circuits, or PMICs, that facilitate the efficient charging of batteries. ISL6292-2CR4Z is one such PMIC - Battery Charger, which utilizes switch-mode technology, or topology, to aid efficient charging of Li-ion or Li-polymer batteries.

The ISL6292-2CR4Z features 2 separate switched-mode battery chargers, allowing for up to two cutoff current profiles. This feature of the charger is especially useful when charging Li-ion or Li-polymer batteries, which have different cutoff current requirements. Additionally, both outputs of the charger can be synchronized, eliminating any possible phase shift between the two, while greatly increasing the efficiency and noise immunity of the charger.

The application field of the ISL6292-2CR4Z are varied, and as such, a single application cannot be limited. The charger can charge Li-ion or Li-polymer batteries in many different industrial and consumer electronics that require a reliable and efficient power source. These devices include, but are not limited to, cellular phones, digital cameras, GPS devices and notebook computers.

The working principle of the ISL6292-2CR4Z can be broken down into four major steps. Firstly, it accepts power from a wall charger or DC adapter and converts it into a regulated DC voltage. Secondly, it utilizes a Boost step-up converter to increase the output voltage of the wall charger or adapter to the desired level. Thirdly, the battery charger takes the boosted voltage and switches it in a Pulse-Width-Modulated (PWM) pattern to a current that matches the cutoff current setting. Lastly, the charger utilizes an inductor to store energy and prevent large current spikes. This constant current helps to maximize the charging efficiency, while allowing the battery to charge without becoming excessively hot.

In addition to the normal charging begins, the ISL6292-2CR4Z also provides additional charge safety and control features. These features include a cell temperature monitor and charger disable (CD), voltage and current monitors, as well as both an input over-voltage protection (OVP) and an output over-current protection (OCP). All of these features are designed to keep the battery safe from overcharging, short-circuiting or overheating.

The ISL6292-2CR4Z is an advanced PMIC - Battery Charger that offers efficient charging of Li-ion or Li-polymer batteries with advanced safety features. By utilizing a switch-mode technology, the charger is able to provide a regulated supply of DC power with minimal noise and power loss. Its application field is broad, offering reliable and efficient charging of devices such as cellular phones, digital cameras, GPS devices and notebook computers. With its advanced features, efficient operation and robust design, it is well-suited for any battery-charging application.

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