BQ24070RHLTG4

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PMIC (Power Management Integrated Circuit) are ubiquitous in modern electronic devices and are designed to manage and regulate the power supply of the device. The BQ24070RHLTG4 Battery Charger is a member of Texas Instruments\' BQ2xx series, a family of battery chargers that can be used to efficiently power up a wide range of devices, from high-end laptop computers to portable consumer electronics. The BQ24070RHLTG4 is specifically tailored for use in mobile devices such as cell phones, tablets and GPS units that require a constant supply of energy.

Features of the BQ24070RHLTG4 Battery Charger

The BQ24070RHLTG4 is designed to deliver a high-efficiency charging profile while remaining cost-effective and easy to use. The BQ24070RHLTG4 offers a wide array of features that make it suitable for a variety of applications. These features include:

• Charge Current Range of 0.2A to 1.5A
• Support for Single-Cell Li-Ion/Li-Polymer and Multi-Cell NiCd/NiMH Batteries
• A Compact and Space Efficient PCB Footprint
• Automatic and Software Programmable Chargers Settings
• Internal Thermal Monitoring to Prevent Overheating of the Battery
• Reverse Input Protection
• Internal Short-Circuit Protection
• Overcurrent Protection
• Overvoltage Protection

The BQ24070RHLTG4 is also designed to be highly energy-efficient, with a standby power consumption of only 1µA. The BQ24070RHLTG4 also supports USB On-The-Go (OTG) charging, allowing the device to charge from a USB port even when the device is not actively in use.

Application Field and Working Principle of the BQ24070RHLTG4

The BQ24070RHLTG4 is designed to efficiently charge a wide variety of single-cell Li-Ion/Li-Polymer and multi-cell NiCd/NiMH batteries for use in a variety of mobile devices. The BQ24070RHLTG4 is particularly suitable for use in cell phones, tablets and GPS units that require a constant supply of energy.

The BQ24070RHLTG4 works by regulating the voltage and current of the external power source to properly charge the battery. An internal voltage reference maintains a stable and accurate regulation of the battery charging process. Additionally, an internal comparator monitors battery charge status and regulates the overall charge current to prevent over-charging. The internal short-circuit protection shut-off the current when a short circuit is detected, while the overcurrent protection prevents the device from being damaged by excessive levels of current. The BQ24070RHLTG4 also supports USB On-The-Go (OTG) charging for added convenience.

Furthermore, the BQ24070RHLTG4 can be programmed with software to custom-tailor the charger settings to meet the specific requirements of the device. The internal thermal monitoring function ensures that the battery does not become overheated during charging, allowing for safer and more reliable operation.

Conclusion

The BQ24070RHLTG4 Battery Charger is a highly efficient and cost-effective charging solution for a wide range of mobile devices. It is designed to deliver a high-efficiency charging profile, while providing reliable protection against over-charging, thermal runaway, overvoltage and short-circuit. Additionally, with support for USB On-The-Go charging and software programming, the BQ24070RHLTG4 is a robust, feature-rich and versatile charging solution.

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