MIC79050-4.2YS

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Power management integrated circuits (PMICs) are used in a wide variety of devices, from phones to tablets and other consumer electronics. They can be used to manage the power supply of the device, regulate voltage and current, and provide a host of other services. One type of PMIC is known as a battery charger, which allows the user to charge their device conveniently. This article will focus on the MIC79050-4.2YS, a PMIC designed specifically to charge Li-ion based batteries.

The MIC79050-4.2YS is a dedicated battery charger for lithium-ion (Li-ion) batteries. It has an output voltage of 4.2V, as well as adjustable current limit and programmable charging timers. It includes an integrated pass element transistor (BJT) for controlling the current and a feedback circuit for monitoring the charge status. The IC also includes an adjustable voltage divider for setting the current limit.

The MIC79050-4.2YS is designed to be used in portable electronic devices. It is mainly used to charge Li-ion batteries, but can also be used to charge other types of rechargeable batteries.

The working principle of the MIC79050-4.2YS is based on lithium-ion battery charging principles. The charger is designed to regulate the voltage and current to optimize the charging process. During charging, it monitors the charge status of the battery and adjusts the current and voltage accordingly.

The MIC79050-4.2YS has an adjustable current limit, which can be controlled using the adjustable voltage divider. The current limit ensures that the battery does not overcharge. It also includes an over-voltage protection feature, which prevents the battery from being overcharged.

The MIC79050-4.2YS also includes programmable charge termination and reverse polarity protection. The termination feature helps to prevent overcharging by monitoring the status of the battery and shutting off the charger when the battery is fully charged. The reverse polarity protection helps to prevent the charger from being damaged if the battery is incorrectly connected.

The MIC79050-4.2YS is a reliable and efficient charger for Li-ion batteries and has been used in many consumer electronics. It is designed to optimize the charging process and ensure safe and effective charging of the battery.

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