AUR9807VIGD

Overview

The AUR9807VIGD is a single-cell lithium-ion battery charger integrated circuit manufactured by Diodes Incorporated. It utilizes a U-DFN3545-20 package for surface-mount assembly. The device supports standard charging profiles including constant current and constant voltage phases with thermal regulation to manage heat dissipation during operation.

Feature Summary

• Integrated linear charge controller optimized for single-cell lithium-ion batteries
• Thermal regulation feature maintains safe operating temperature during high-current charging
• Compact U-DFN3545-20 package design suitable for space-constrained portable applications

Applications

• Single-cell lithium-ion battery charging in portable electronic devices
• Power management systems for mobile communication equipment
• Battery backup units requiring compact linear charging solutions

Procurement Notes

Verify the specific suffix VIGD against the official Diodes Incorporated datasheet to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through the manufacturer's product compliance documentation before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring a linear charge solution for single-cell Li-ion batteries. Ensure the PCB layout accommodates the exposed pad thermal requirements of the U-DFN3545-20 package to maintain optimal thermal performance.

Part Context

This part belongs to the AUR9807 series of battery chargers from Diodes Incorporated. It is designed as a cost-effective alternative to switching regulators for low-to-medium power applications where efficiency losses are acceptable in exchange for reduced component count and electromagnetic interference.

Replacement Considerations

Consult the official Diodes Incorporated substitution guide for verified equivalents. Cross-reference pinouts and electrical characteristics carefully when considering alternatives from other manufacturers.