MAX6784TCC+

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MAX6784TCC+ Application Field and Working Principle

PMIC, otherwise referred to as Power Management IC, is a term commonly used in the electronics industry. It generally refers to an integrated circuit which is used to manage and regulate the power supply in an electronic device. The MAX6784TCC+ is a PMIC made by Maxim Integrated, which focuses on the battery management needs of portable and mobile devices such as smartphones, tablets and notebooks.

Overview of MAX6784TCC+ Battery Management IC

The MAX6784TCC+ is a multi-chemistry, single-cell lithium-ion/lithium-polymer battery charger and power-path manager. This device offers many features that make it an optimal choice for battery management in a variety of battery-powered applications. The MAX6784TCC+ can be used to charge a singlecell lithium-ion/lithium-polymer battery, and provides cell protection functions such as overcharge and overdischarge protection, as well as short-circuit protection. Other features include adjustable charge current, charge voltage and system power regulation. The MAX6784TCC+ also serves as a power-path manager, providing a controlled power delivery path between the battery and the system while maintaining a safe temperature operating range of -20°C to +85°C.

Notable Specifications and Features

• Charge current up to 1500 mA
• Programmable charge voltage up to 4.25 V
• Fast charge time of less than 2 hours
• Charge current accuracy ±2.5%
• Integrated I2C port
• Programmable charge termination current of 300 mA to 700 mA
• Active-low POK output
• Integrated reverse current protection

Application Field

The MAX6784TCC+ battery management IC is designed primarily for use in portable and mobile devices where battery life is critical. It can be used in a variety of devices, such as smartphones, tablets, cameras, laptop computers and wearable devices. This IC is well suited for use in battery-powered systems that require long battery life because of its high-efficiency charging and advanced power-path management capabilities.

Working Principle

The MAX6784TCC+ PMIC works as a single-cell lithium-ion/lithium-polymer battery charger and a power-path manager. It can charge a single-cell lithium-ion/lithium-polymer battery with a programmable charging current up to 1500 mA, and a programmable charge voltage of up to 4.25V. The charge current accuracy is ±2.5%, and the charge time is less than two hours. The MAX6784TCC+ also provides cell protection functions such as overcharge and overdischarge protection, as well as short-circuit protection, and reverse current protection.

The MAX6784TCC+ PMIC also works as a power-path manager, providing a controlled power delivery path between the battery and the system while maintaining the safe temperature operating range of -20°C to +85°C. In this capacity, it can simultaneously charge and discharge the battery, as well as provide system power regulation.

Conclusion

The MAX6784TCC+ is a multifunctional battery management IC from Maxim Integrated. It is designed for use in a variety of battery-powered systems, such as smartphones, tablets, cameras, laptop computers and wearable devices. With its multi-chemistry support, fast charge time, adjustable charge current and voltage, integrated I2C port and active-low POK output, the MAX6784TCC+ is an ideal choice for battery management applications.

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