MAX14676CEWO+T

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The MAX14676CEWO+T is a Power Management Integrated Circuit (PMIC) specifically designed for battery charging applications. It features a wide input voltage range of 4.5V to 38V, an adjustable charging current of up to 2A, and a maximum charging voltage of 6V. The device is also capable of detecting a discharged battery and is able to reduce the charge current accordingly, allowing for a safe and efficient charging process. The MAX14676CEWO+T is ideal for use in a variety of personal electronics, such as portable devices, drones, and wearable technology.

The main components of the MAX14676CEWO+T are a voltage regulator, an adjustable current source, and a P-channel MOSFET switch. The voltage regulator regulates the input voltage and reduces it to a level suitable for charging a battery. The adjustable current source is responsible for controlling the charge current, based on the voltage level sensed by the voltage regulator. The P-channel MOSFET switch is used to disconnect the battery from the charger when it is fully charged, thus preventing overcharging.

The operation of the MAX14676CEWO+T starts by connecting the input and battery terminals to the respective inputs on the device. The voltage regulator senses the voltage present at the input terminal and regulates it to a suitable level for charging the battery. The adjustable current source, in turn, senses the voltage at the battery terminal and adjusts the charging current accordingly. If the battery is already charged, the voltage regulator will detect this and reduce the charge current, thus preventing an overcharge.

The MAX14676CEWO+T is a versatile and efficient solution for charging batteries for portable electronics devices. The wide input voltage range and adjustable current source make it ideal for use in a variety of applications. Its ability to detect an overcharged battery allows for a safe and efficient charging process. Its low quiescent current and integrated over-temperature protection further improve its suitability for use in battery-charging applications.

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