RT4723WSC

Overview

The RT4723WSC is a dual-output AMOLED bias LED driver IC manufactured by Richtek. It utilizes a boost topology with an integrated charge pump to generate stable bias voltages for display applications. The device operates within a supply voltage range of 2.5 V to 4.6 V and delivers an output current of 55 mA per channel. Designed for surface-mount installation, it is housed in a compact WLCSP-15 package. The component supports a switching frequency of 1 MHz and functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Dual-channel output configuration for independent AMOLED bias control
• Integrated charge pump architecture for efficient voltage boosting
• Compact WLCSP-15 footprint suitable for space-constrained mobile designs

Applications

• AMOLED display bias generation in smartphones
• Bias voltage regulation for tablet displays
• Portable electronic device power management systems

Procurement Notes

Verify the specific ordering suffix and revision code against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and packaging options such as cut tape or reel directly with authorized distributors. Cross-reference the part number alias RT4723P-A if applicable to your sourcing channels.

Selection Notes

Select this component when designing circuits requiring dual independent outputs for AMOLED panels. Ensure the input supply voltage remains within the 2.5 V to 4.6 V operational window. Consider the 55 mA output current limit and the 1 MHz switching frequency when determining external component values and thermal management strategies for the target application.

Part Context

This device belongs to Richtek's portfolio of LED lighting drivers and display bias ICs. It is categorized under Driver ICs and specifically targets the high-demand mobile electronics market. The product line emphasizes high integration and small form factors to support modern handheld device architectures.

Replacement Considerations

The part number alias RT4723P-A is documented as equivalent. Verify pinout and electrical specifications before substitution.