The MAX8903BETI+ is a high-performance, integrated charger IC for single-cell lithium-ion (Li+) batteries from the renowned manufacturer Maxim Integrated. This compact and efficient power management solution is designed to cater to the demanding needs of portable electronic devices such as smartphones, tablets, handheld gaming systems, and other USB-charged gadgets.
With its wide input voltage range of 4.1V to 16V, the MAX8903BETI+ offers the flexibility to be powered from various USB sources, including standard downstream ports, charging downstream ports, and dedicated charging ports. This versatility ensures that your device can be charged from almost any USB power source available.
One of the standout features of the MAX8903BETI+ is its ability to deliver up to 2A of charging current, which enables rapid charging of large-capacity batteries, reducing downtime and ensuring that your devices are ready to go when you need them. Moreover, the IC integrates a Smart Power Selector™ that allows the system to operate with no battery or a deeply discharged battery, ensuring uninterrupted functionality.
Safety is paramount when it comes to battery charging, and the MAX8903BETI+ excels in this area. It includes built-in battery temperature monitoring, which, in conjunction with an external thermistor, prevents charging if the battery temperature is outside a specified range, protecting both the battery and the device. Additionally, it features charge status and fault indicators, providing clear and immediate feedback on the charging process and any potential issues.
The MAX8903BETI+ is available in a compact 28-pin TQFN (5mm x 5mm) package, making it an ideal choice for space-constrained applications. Its high level of integration not only saves space but also reduces the number of external components required, simplifying the design and reducing overall system cost.
Whether you are designing a new portable device or looking to upgrade the charging capabilities of an existing product, the MAX8903BETI+ from Maxim Integrated provides a reliable, efficient, and feature-rich solution that will meet the needs of both manufacturers and end-users alike.