MAX8730ETI+

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The MAX8730ETI+ is a power management IC (PMIC) that is part of the battery charger family. This device is a highly integrated single-phase programmable power supply that combines multiple power supply circuits, allowing simultaneous operation of multiple power rails with a single device.

The MAX8730ETI+ power management IC has a wide range of applications including mobile phones, tablet computers, medical devices, wearable technology and other consumer electronics products. It is also ideal for charging standard AAA and AA batteries as well as Li-ion battery packs.

The device’s single-phase power supply can support up to 10A charge current and a maximum input voltage of 25V. It has a wide range of voltage, current, and temperature protection features, ensuring reliable operation and protection of the device. It also features an adjustable top-off current saving feature that reduces battery stress to prolong the life of the battery.

The MAX8730ETI+ provides several functional blocks that include a dual-channel buck converter with an output voltage range from 4.3V to 5.5V, an output current limit of 1.5A, an adjustable top-off current saving feature that reduces current when reaching 95% of battery charge, and reverse current protection. It also features a dual-channel boost converter with an output voltage range from 4.2V to 5.5V for a maximum output current of 10A. The device also includes an adjustable step-down converter, a low-battery detector and a power FET.

The MAX8730ETI+ is controlled by a 3-wire, I2C compatible interface that allows the user to adjust the operating parameters, such as switching frequency and output voltage, through a host-controlled register. It also provides additional features such as monitoring the temperature, voltage, currents and charge states.

The device\'s output is also protected with various safety features, such as input under-voltage protection, MOSFET overtemperature protection, over-current protection, over-voltage protection, and reverse battery protection. This ensures that the device is always working within its optimal operating parameters, providing reliable and safe operation.

The MAX8730ETI+ is an ideal solution for applications that require a compact, high performance, and cost-effective solution for battery charging. Its features, small form factor and high integration level make it perfect for portable and handheld devices. The device is capable of charging multiple batteries with a single device, making it an ideal choice for devices with multiple power rails.

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