Product Overview: Texas Instruments BQ24747RHDR

The BQ24747RHDR is a high-efficiency, synchronous battery charger from Texas Instruments, offering power management solutions for portable devices that require fast and efficient charging. This integrated circuit is designed to extend battery life and optimize charging operations for a variety of battery chemistries, making it an ideal choice for laptops, tablets, and other portable electronics.

Key Features:

• Synchronous Switching MOSFETs: The BQ24747RHDR incorporates internal synchronous rectifier MOSFETs and a control circuit in a single package, enabling efficient power conversion with reduced heat dissipation and improved battery charging times.
• Multi-Chemistry Support: This versatile charger supports a wide range of battery chemistries, including Li-Ion, Li-Polymer, and LiFePO4, providing flexibility in the design of portable devices.
• Programmable Charging Parameters: Users can program key parameters such as input current, charge current, and charge voltage, which allows for precise control over the charging process tailored to specific battery requirements.
• Power Management: The device features dynamic power management (DPM) and input power limiting, which ensures that the charger operates within the power specifications of the AC adapter, avoiding overload conditions.
• Safety Features: Safety is a priority with the BQ24747RHDR, incorporating protection features such as over-voltage, over-current, and thermal regulation to safeguard both the charging circuit and the battery under charge.

Technical Specifications:

Parameter Value Input Voltage Range 5V to 24V Charge Voltage Range Up to 19.2V Charge Current (max) 8A Operating Temperature -40°C to 85°C Package 28-VQFN (RHD)

Overall, the BQ24747RHDR from Texas Instruments stands out as a robust and flexible solution for fast and efficient battery charging in portable devices. Its comprehensive set of features ensures that designers can create products with reliable power management that meets the demands of modern consumers.