ACT2802CQL-T1028 Integrated Circuits (ICs)

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The ACT2802CQL-T1028 is a highly efficient, DC-DC battery charger/fuel gauge/balancer IC. It is a multi-channel, high-efficiency, high-performance battery charger/fuel gauge/balancer IC for both Li-ion and Li-polymer rechargeable battery packs. The ACT2802CQL-T1028 works with single cell battery packs of up to 8 cells in series, as well as multiple cell battery packs of up to 2 series and 8 parallel cells.

The ACT2802CQL-T1028 is designed for battery packs used in portable devices such as mobile phones and digital cameras, where space and power consumption are of primary concern. It utilizes advanced charge and fuel gauge algorithms to deliver high accuracy and reliability. It combines a highly efficient synchronous buck DC-DC converter, with a fuel gauge and cell-balancing function into a single-chip solution.

The ACT2802CQL-T1028 has a maximum output current of 1A and adjustable output voltage from 4.2V-4.4V. It can be used in a wide range of applications and is ideal for battery packs used in mobile phones, digital cameras, and other portable electronic devices. The ACT2802CQL-T1028 also features various protections for the batteries and charge circuit, such as over-voltage protection, short-circuit protection, and over-temperature protection.

The ACT2802CQL-T1028\'s working principle is based on the Buck converter principle. The Buck converter is a DC-DC switching converter that converts a higher DC input to a lower DC output. The output voltage can be regulated and the efficiency is high due to the switching process. The ACT2802CQL-T1028 utilizes a synchronous buck converter to convert the input voltage to the desired output voltage.

The ACT2802CQL-T1028 also incorporates a battery management system (BMS) to manage multiple battery cells in a series or parallel configuration. The BMS monitors each cell voltage and the temperature of the battery pack and is able to balance the cells with precision. This helps to prevent overcharging and ensures a longer lifetime for the battery pack.

The ACT2802CQL-T1028 is suitable for various power management applications. It is widely used in portable devices such as mobile phones, digital cameras, and other portable electronic devices. It can also be used as a power backup or UPS device. It is an ideal solution for applications where space and power consumption are of primary concern. It is also an excellent choice for applications where high accuracy and reliability are required.

In conclusion, the ACT2802CQL-T1028 is an ideal solution for a wide range of applications, ranging from mobile devices to power backup systems. It is a flexible and versatile solution that provides reliable and accurate power management for both single-cell and multi-cell battery packs. It is a highly efficient, DC-DC battery charger/fuel gauge/balancer IC and utilizes advanced charge and fuel gauge algorithms to deliver high accuracy and reliability.

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