MP2613ER-LF-P

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Introduction

The MP2613ER-LF-P is a highly-integrated, dual-channel, single-cell Li-Ion/Li-Polymer battery charger IC specially designed for providing efficient, accurate and safe operation for smartphones and tablets. It is capable of sourcing up to 1.6A from the adapter port and 0.25A from the USB port simultaneously.

Application Field

The MP2613ER-LF-P is applicable in a wide range of mobile devices, from smartphones, tablets and smart watches to wireless charging pads and other mobile electronic devices. Its advanced features also make it suitable for compact and cost-sensitive applications such as flip phones, power banks, and even on-board chargers. The device is designed to be highly efficient, providing up to 2-3x longer battery life than other competing ICs. Additionally, thanks to its high integration, the chip does not need any external components to operate.

Features

The MP2613ER-LF-P integrates two channels of independent constant-current/constant-voltage (CC/CV) battery charging capability, along with integrated Advanced Battery Pack Information mechanism (ABPI) support, and thermal protection.

• The charger features dual-node operation and automatically selects the best input source between the USB and adapter port.
• The device features selectable 5-different charging current levels with up to 1.6A from the adapter port and up to 0.25A from the USB port.
• The device supports quick charging protocols, such as Quick Charge 3.0 and USB Power Delivery 2.0.
• It includes an advanced ABPI monitor that can accurately measure and monitor the state of individual cells in the battery pack.
• The device also includes integrated temperature protection, providing additional safety for the battery pack.
• Lastly, the IC is equipped with an integrated power MOSFET switch to reduce external components, allowing for a more compact solution.

Working Principle

The working principle of the MP2613ER-LF-P entails utilizing a combination of constant voltage and constant current charging algorithms to identify and efficiently charge the battery. Upon detection of the adapter, the device will start charging the battery and automatically select the best input source according to the type and level of the adapter. The IC will then measure the voltage of the battery and start a constant-current charging phase, in which, it will allow a charging current up to 1.6A from the adapter or up to 0.25A from the USB port. After the constant current phase is over, the constant voltage phase will begin, where, the voltage is maintained near the end of charge. The device will also monitor the temperature of the battery during the charging process and reduce the current to ensure safety. Once the battery is fully charged, the device will automatically enter a stand-by state and the charging will stop.

Conclusion

The MP2613ER-LF-P is a highly-integrated, dual-channel, single-cell Li-Ion/Li-Polymer battery charger IC specially designed for mobile devices. It integrates two channels of independent CC/CV battery charging capability and also supports quick charging protocols. The device is also equipped with built-in ABPI monitor and temperature protection to ensure high safety and maximum performance. The working principle of the MP2613ER-LF-P explains in detail the efficient and safe charging process, featuring auto-detection and constant voltage/current charging algorithms.

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