BQ7693003DBTR Integrated Circuits (ICs)

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Power Management Integrated Circuits (PMICs) are devices used for managing a system\'s power consumption. PMICs are mainly used in portable electronic devices, computer system components, and vehicle electronics. The PMIC with the part number BQ7693003DBTR is a solution specifically designed to monitor and protect Lithium-ion batteries in portable applications. The device is capable of measuring various battery parameters and can accordingly adjust the load current or shutdown the system according to user-defined thresholds. In this article, we will look at the application field and working principle of the BQ7693003DBTR.

The BQ7693003DBTR is mainly used in applications where Lithium-ion battery management is necessary. This includes IoT applications, wearable electronics, health and sports tracking. Additionally, the device can be used for managing the power supply of a variety mobile devices such as smartphones, tablets, and laptops.

The BQ7693003DBTR supports up to 10 cells configuration. It can monitor up to 4-series and 7-parallel cells and will maintain balanced across the cells by transferring charge between them in case of imbalance. This can help to prolong the overall life-span of the battery and optimize its performance.

The device also includes safety features like overvoltage protection, undervoltage protection and short-circuit prevention. These features ensure that the battery is protected from hazardous scenarios and damages caused by overcharging or other faulty loads. Additionally, the device also features a power-on reset that ensures proper system boot up after a sudden power failure.

The BQ7693003DBTR is also capable of monitoring the temperature of the cells and provides over-temperature protection by shutting down the system in case of high temperature. The device also supports several communication protocols such as I2C and SMBus.

The working principle of the BQ7693003DBTR is based on the implementation of voltage and current measurement. The device measures the open circuit voltage (OCV) of the cells, load voltage, total load current, temperature and other parameters. The data is then used to adjust the load current or shutdown the system according to user-defined thresholds. The device also performs balancing between the cells and provides protection to the cells in case of over or undervoltage or temperature.

In conclusion, the BQ7693003DBTR is an ideal solution for managing Lithium-ion battery applications. It is capable of monitoring and protecting the cells from overvoltage, undervoltage, and over-temperature. It also supports several communication protocols, making it easier to integrate with a wide range of systems.

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