MAX14616AEWA+

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Power management integrated circuit (PMIC) is an integrated circuit that integrates most or all of the power management functions of a system. It is an important part of any type of electronic device, especially portable devices. PMICs that can be used to charge batteries are called battery charger PMICs.

MAX14616AEWA+ is an example of a battery charger PMIC from Maxim Integrated. This PMIC is designed for use in USB-C applications that require fast charging and reversible plug orientation for both data and power delivery. It supports power delivery up to 20V and 5A, making it suitable for a wide range of applications.

Application Field

MAX14616AEWA+ is mainly used in USB-C based applications. It has a type-C connector that supports both plug orientations for both data delivery and power charging. It is ideal for laptops, tablets, or any mobile device that requires fast charging. It also supports USB power delivery (PD) up to 20V and 5A, making it suitable for applications such as wireless charging and high power rapid charging.

MAX14616AEWA+ has all the features and protection circuits of a standard type-C charger. It features automatic cable detection, overvoltage protection, overcurrent protection, short-circuit protection, and temperature protection. It also automatically adjusts the voltage and current according to the USB PD negotiation protocol. This PMIC also supports a wide range of supply voltages and is highly efficient with a minimum of 70% efficiency in most applications.

Working Principle

MAX14616AEWA+ is an integrated PMIC that combines all of the necessary circuitry for charging a device with a type-C connector. The main components are the voltage regulator, current sink, and overvoltage protection. It also contains an integrated USB PD negotiation protocol for intelligent voltage and current regulation.

Voltage regulation is controlled by an on-board voltage regulator. This regulator ensures that the voltage supplied to the device is kept within the acceptable range. Current sinking is managed by an integrated current sink. This current sink automatically adjusts the output current according to the system’s requirements. Overvoltage protection is provided by a switching FET, which shuts down the output when the voltage exceeds the predetermined maximum.

The MAX14616AEWA+ also has a USB PD negotiation protocol that is used to allow intelligent voltage and current regulation. This negotiation protocol allows the device to detect and identify the type of device that is connected, and adjust the output voltage and current accordingly. It also includes a range of safety features, such as short-circuit protection, overvoltage protection, and temperature protection.

Overall, the MAX14616AEWA+ PMIC is a powerful and feature-rich solution for USB-C based applications. It combines voltage regulation, current sinking, overvoltage protection, and USB PD negotiation protocol into a single package, allowing for reliable and efficient power delivery. Its wide range of supply voltages and its high efficiency make it suitable for a variety of portable applications.

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