Renesas Electronics has announced the RAA489118, a highly adaptable buck-boost charger designed to meet the power management needs of a broad spectrum of applications. Supporting an input voltage range of 3.9V to 30V and output voltage flexibility from 2.4V to 30.8V, the RAA489118 caters to devices requiring precise and efficient battery management. Whether in standalone chargers or integrated systems, this charger’s robust feature set ensures reliable performance across multiple use cases.
The RAA489118 supports 2 to 7-cell battery configurations, making it suitable for applications such as power tools, portable vacuums, drones, notebooks, and USB-C power banks. Its compatibility with USB Power Delivery Extended Power Range (USB PD EPR) further enhances its appeal for modern platforms, allowing seamless integration into USB-C systems requiring up to 30V battery charging and discharging capabilities.
With Renesas’s advanced R3™ technology, the RAA489118 excels in delivering efficient light-load operation and fast transient response. The charger also supports multiple operating modes, including reverse buck, reverse boost, and reverse buck-boost, which make it ideal for managing diverse charging and discharging scenarios. For depleted batteries, its trickle charging feature ensures safe recovery, while its programmable options allow for tailored configurations, addressing specific system requirements.
The RAA489118 includes comprehensive protection mechanisms to ensure safe and reliable operation. It features overvoltage and undervoltage protections for both adapter and battery inputs, making it robust even under challenging conditions. The autonomous charging option simplifies deployment in systems that prioritize ease of use, while programmable resistors enable precise customization for advanced designs.
Compactly housed in a 32-lead 4x4 TQFN package, the RAA489118 is optimized for space-constrained environments. It supports both forward and reverse power flows, providing unparalleled versatility for battery-powered applications. With its broad range of features, the RAA489118 is well-suited for power tools, lawn care equipment, USB-C devices, and notebooks requiring high efficiency and reliable power delivery.
- Versatile Charging: The RAA489118 is optimized for 2 to 7-cell battery configurations, ensuring compatibility with a variety of systems. It supports reverse buck, boost, and buck-boost operation, providing seamless integration in both charging and discharging scenarios.
- USB-C Compatibility: Equipped to work with USB PD EPR platforms, the charger is ideal for modern USB-C applications, enabling up to 30V battery management.
- Advanced Protection: Features such as adapter overvoltage protection, battery undervoltage protection, and trickle charging enhance safety and efficiency in high-demand environments.
- Autonomous and Programmable Modes: Offers an autonomous charging option for streamlined operation and programmable resistors for custom configurations.
- Compact Package: Packaged in a 32-lead 4x4 TQFN, the RAA489118 ensures easy integration into space-constrained designs.
The RAA489118 is tailored for a diverse range of applications, including:
- Power tools and portable vacuums
- Battery-powered lawnmowers and drones
- Notebooks and ultrabooks with extended battery support
- USB-C power banks requiring efficient battery management
By combining cutting-edge technology, configurability, and comprehensive protections, Renesas’s RAA489118 establishes itself as a premier solution for next-generation battery charging systems.
