The BQ24751RHDRG4 is a high-efficiency, synchronous battery charger with integrated compensation and system power selector logic, designed by Texas Instruments. It is primarily used for portable computers and other consumer electronics, capable of controlling multiple chemistry batteries such as Li-Ion, Li-Pol, and LiFePO4. This advanced device features a host of functionalities that make it a versatile and essential component in modern power management solutions.
Key Features
- Synchronous Switching MOSFETs: The BQ24751RHDRG4 incorporates internal synchronous rectifier driver MOSFETs to enhance efficiency, reduce heat dissipation, and improve battery charge times.
- Programmable Charge Voltage: It allows for precise regulation of the charge voltage with a high accuracy of ±0.5%, which is critical for achieving optimal battery performance and longevity.
- Adjustable Charge Current: The charging current can be programmed up to a maximum of 10 A, enabling fast charging capabilities for devices with larger battery capacities.
- Multiple Chemistry Support: This charger supports a wide range of battery chemistries, providing flexibility in the choice of battery technology for various applications.
- System Power Selector: It includes a system power selector logic with automatic power source selection between the adapter and battery, ensuring seamless power delivery to the system.
- Safety Features: The device offers comprehensive protection features, including thermal regulation, overvoltage, overcurrent, and short circuit protection to safeguard the system and battery under all conditions.
- AC Detection: It can detect the presence of an AC adapter and automatically adjust the battery charging process accordingly.
Applications
The BQ24751RHDRG4 is ideal for a variety of applications where efficient charging and power management are critical. These include:
- Notebook and Ultrabook Computers
- Portable Media Players
- Handheld Devices
- Medical and Healthcare Equipment
- Smart Battery Chargers
With its advanced features and versatile application range, the BQ24751RHDRG4 from Texas Instruments stands out as a robust solution for modern, efficient power management and battery charging requirements.