The BQ24079RGTR is a highly integrated, multi-chemistry battery charge management device from Texas Instruments (TI). It is designed to provide efficient and reliable charging for a wide range of battery chemistries, including lithium-ion, lithium-polymer, and lithium-ion phosphate batteries.
Description:
The BQ24079RGTR is a system-on-chip (SoC) solution that integrates a high-efficiency synchronous buck converter, a linear charger, and a power distribution switch. It also features a high-voltage input protection, a low-voltage output protection, and a thermal regulation system to ensure safe and efficient operation.
Features:
- Multi-chemistry support: The device supports charging for a wide range of battery chemistries, including lithium-ion, lithium-polymer, and lithium-ion phosphate batteries.
- High efficiency: The synchronous buck converter provides high efficiency and low quiescent current, making it suitable for portable and wearable applications.
- Precise current and voltage control: The device features a programmable charge current and termination voltage, allowing for accurate charging profiles.
- Power path management: The integrated power distribution switch enables efficient power management and prevents battery over-discharge.
- Input protection: The device provides high-voltage input protection and reverse current protection to safeguard the system from potential damage.
- Thermal regulation: The thermal regulation system ensures safe operation by limiting the charge current when the device temperature exceeds a predefined threshold.
- Small form factor: The BQ24079RGTR is available in a compact 40-pin, 6mm x 6mm WQFN package, making it suitable for space-constrained applications.
Applications:
- Portable devices: The BQ24079RGTR is ideal for charging batteries in portable devices such as smartphones, tablets, and laptops.
- Wearable electronics: The device's small form factor and high efficiency make it suitable for wearable devices like smartwatches, fitness trackers, and wireless earbuds.
- Power banks: The BQ24079RGTR can be used to manage the charging and power distribution in portable power banks.
- Medical devices: The device's safety features and accurate charging profiles make it suitable for battery charging in medical devices such as hearing aids and portable medical instruments.
- IoT devices: The BQ24079RGTR can be used in Internet of Things (IoT) devices that require efficient and reliable battery charging.
In summary, the BQ24079RGTR from Texas Instruments is a versatile and efficient battery charge management device that supports multiple battery chemistries and offers a range of features to ensure safe and reliable operation in various applications.