RAA489101ARGNP#AA0

Overview

The RAA489101ARGNP#AA0 is a buck-boost battery charger IC manufactured by Renesas Electronics, designed for lithium-ion and polymer batteries in mobile applications. It features a 32-pin TQFN (4x4 mm) package. The device supports input voltages from 4.5V to 28V and delivers up to 6A charging current. It integrates an internal N-channel power switch and supports programmable charge termination. The component operates within a junction temperature range of -40°C to +125°C.

Feature Summary

• Integrated buck-boost topology supporting wide input voltage ranges
• Internal N-channel power switch eliminates external components
• Programmable charge termination and current limiting
• Compact 4x4 mm TQFN package for space-constrained designs

Applications

• Mobile phone battery charging
• Tablet computer power management
• Portable electronic device battery systems

Procurement Notes

Verify the complete part number including suffix AA0 against official Renesas documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through the latest datasheet revision. Check for any Product Change Notices affecting pinout or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when designing for mobile applications requiring high efficiency across varying battery states. Ensure input voltage sources align with the 4.5V to 28V operational range. Verify thermal management requirements for the TQFN package under maximum load conditions. Consider system-level integration with host controllers for programmable feature configuration.

Part Context

This part belongs to the RAA489101 series of battery chargers from Renesas. It is related to the RAA489000 series, which shares similar architectural features but may differ in specific electrical parameters or package options. Both series target mobile and portable electronics markets.

Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Cross-reference with RAA489101 variants having different suffixes for packaging changes only. Do not substitute with generic chargers without verifying compatibility with lithium-ion/polymer chemistries and control interfaces.

FAQ

What battery types are supported?

The RAA489101ARGNP#AA0 supports lithium-ion and lithium-polymer batteries.

Is an external power switch required?

No, the device integrates an internal N-channel power switch, reducing external component count.