BQ24750RHDR

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As technology continues to advance, new ways to control devices, such as battery chargers, have been developed. One of these new devices is the BQ24750RHDR which is a highly integrated power management integrated circuit (PMIC) designed for portable applications. This PMIC provides a high level of integration and on-chip protection, allowing for a simplified design that reduces board space, cost, and time-to-market.The BQ24750RHDR is used to charge Li-ion or Li-polymer rechargeable batteries. This device features an integrated low voltage power FET which is capable of providing up to 5A of output current in just one package. The IC also contains over-voltage, over-temperature, and over-current protection features, allowing for efficient and safe charging operations. It also allows for both automatic and manual charging control, providing flexibility and fine-tuning of the charging profile.In order to provide a better understanding of how this device works, this article will discuss its application field and working principle.Application Field:The BQ24750RHDR is designed to be used with Li-ion or Li-polymer batteries in portable applications, such as smartphones, tablets, and other mobile devices. This PMIC can also be used in stationary applications, such as powering beacons, smartwatches, or other devices that require a reliable, continuous power source.Working Principle:The BQ24750RHDR operates by sensing the battery voltage and temperature and then adjusting the charge current accordingly. It also contains an internal low voltage power FET which is capable of providing up to 5A of continuous output current. This device also features a slew-rate control option, which allows for optimal battery performance and improved life-time when used in rechargeable batteries. In addition, it also allows for the adjustment of charge termination voltage (Vfloat) and pre-charge voltage (Vprecharge) thresholds.The BQ24750RHDR also provides various safety features such as over-voltage, over-temperature and over-current protection, which allow for improved reliability and protection of the battery and its connected load. The device also boasts a constant current/constant voltage (CC/CV) charging algorithm, allowing for efficient and safe charging operations. Finally, the IC also features a charge status LED for easy insight into the charging state.Conclusion:By understanding the application field and working principle of the BQ24750RHDR, users can make better decisions regarding the use of this device for their specific applications. It features a high level of integration and on-chip protection, allowing for a simplified design that reduces board space, cost, and time-to-market. In addition, it also provides various safety features and an adjustable charge termination voltage and pre-charge voltage, allowing improved reliability and protection of the battery and its connected load. With its high levels of integration, protection and adjustable charge levels, the BQ24750RHDR is well-suited for providing efficient and safe charging operations in a variety of applications.

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