AS3605-BQFP-03

Power Management - Specialized Overview

The AS3605-BQFP-03 is a multifunctional LED driver integrated circuit manufactured by ams OSRAM. It integrates low dropout regulators (LDOs), a DC/DC converter, a complete battery charger, and an audio power amplifier on a single die. The device operates within a supply voltage range of 3V to 5.5V and features a typical supply current of 195µA. This component is designed for integration into handheld and mobile devices requiring combined power management and signal amplification capabilities.

Power Management - Specialized Feature Summary

• Integrates LDOs, DC/DC converter, battery charger, and audio amplifier on one die
• Supports supply voltages from 3V to 5.5V
• Designed for compact handheld and mobile device applications

Power Management - Specialized Applications

• Handheld devices
• Mobile devices

Power Management - Specialized Procurement Notes

Verify the obsolete status of this part number before initiating any procurement activities. Confirm availability through authorized distributors or secondary market channels, as standard manufacturing supply may be discontinued. Ensure that any substitute components meet the original electrical specifications and pinout requirements for your specific application design.

Power Management - Specialized Selection Notes

This component is suitable for designs requiring consolidated power management and audio functionality in space-constrained mobile environments. Evaluate the thermal performance and efficiency of the integrated DC/DC converter against system power budgets. Consider the 195µA supply current impact on overall battery life for portable applications.

Power Management - Specialized Part Context

The AS3605-BQFP-03 belongs to the ams OSRAM portfolio of integrated power management solutions. It combines multiple power stages and an audio amplifier into a single package, reducing board space and component count. The device targets the consumer electronics sector, specifically mobile and handheld equipment where integration density is critical.

Power Management - Specialized Replacement Considerations

As this part is marked obsolete, direct replacements may not be available from the manufacturer. Identify alternative ICs with similar integration levels (LDO, DC/DC, charger, amp) and compatible supply voltage ranges. Verify pin compatibility and functional equivalence to ensure seamless integration into existing hardware designs.