RT4801TWSC

Overview

The RT4801TWSC is an LCD driver IC manufactured by Richtek, designed specifically for dual output LCD bias applications in smartphones and tablets. It operates within a supply voltage range of 2.5 V to 5.5 V and supports a maximum clock frequency of 1.2 MHz. The device features a WL-CSP-15 package suitable for surface mount installation. It handles a maximum power dissipation of 2 W and draws up to 150 mA of supply current. The component functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Dual output configuration for LCD bias generation
• Integrated I2C control interface
• Bypass switch architecture for efficiency

Applications

• Smartphones
• Tablets

Procurement Notes

Verify the exact ordering suffix against the manufacturer datasheet to ensure correct packaging and tape specifications. Confirm RoHS compliance status directly with the supplier documentation. Check for any recent product change notifications or end-of-life announcements prior to finalizing procurement plans. Ensure the source document explicitly lists this part number as active.

Selection Notes

Select this component when designing portable devices requiring dedicated dual-output LCD bias supplies. The WL-CSP-15 package offers space efficiency for compact mobile form factors. Verify that the system input voltage remains within the 2.5 V to 5.5 V operational window. Consider the thermal performance limits given the 2 W power dissipation rating in the specific PCB layout environment.

Part Context

This part belongs to the Richtek LCD Drivers category under Driver ICs. It is distinct from the company's boost converter series such as the RT4803 or RT4822. The RT4801TWSC serves a specialized function in display power management rather than general-purpose voltage conversion.

Replacement Considerations

RT4801TP-A is listed as an alias for this part number.