RAA489110A3GNP#AA0

Overview

The RAA489110A3GNP#AA0 is a digital configurable buck-boost battery charger IC from Renesas Electronics Corporation, designed for portable computing platforms. It supports narrow voltage direct charging (NVDC) and hybrid power buck-boost modes using firmware control. The device accommodates 2 to 4 series lithium-ion cells with an input voltage range of 3.9V to 30V and system output up to 18.304V. It features USB interface communication via SMBus/I2C, programmable current, timer, and voltage parameters, and includes overvoltage/undervoltage fault protection. Packaged in a 32-TQFN (4x4) surface-mount format, it operates between -10°C and 125°C junction temperature.

Feature Summary

• Supports NVDC and hybrid power buck-boost charging topologies with firmware-controlled mode switching
• Enables bypass mode for direct adapter-to-system power delivery
• Provides IMVP-compliant system power monitor (PSYS) and PROCHOT outputs
• Integrates USB-C PD fast role exchange and PPS support for OTG operations

Applications

• Tablet computer battery charging systems
• Ultrabook and laptop platform power management
• USB Type-C powered portable devices requiring bidirectional power flow
• Systems requiring Intel IMVP standard compliance

Procurement Notes

Verify the specific suffix 'A3' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match the design requirements. Confirm that the 32-TQFN package dimensions align with the PCB footprint. Check for any recent product change notices regarding label updates or manufacturing site changes that may affect lead times or quality certifications.

Selection Notes

Select this component when a digital solution is required for 2 to 4-cell Li-ion batteries with wide input voltage flexibility. It is suitable for designs needing precise current and voltage programming via SMBus/I2C. Consider its compatibility with N-MOSFET external switches and the need for firmware configuration to optimize efficiency across different power levels and operating conditions.

Part Context

This part belongs to the RAA489110 family of buck-boost chargers. It is pin-to-pin compatible with the ISL9241 series, facilitating migration from legacy analog controllers. The device utilizes Renesas R3 technology for efficient charging profiles and integrates advanced monitoring features for modern mobile computing architectures.

Replacement Considerations

RAA489110ARGNP#AA0 is documented as a parameter-equivalent substitute.