RT9469WSC

Overview

The RT9469WSC is a switch-mode single-cell Li-Ion battery charger manufactured by Richtek Technology Corporation. It supports USB-OTG functionality and accepts inputs from AC adapters, USB ports, and active sources with voltage levels up to 9V. The device features an adjustable switching frequency and includes comprehensive protection mechanisms such as cycle-by-cycle current limiting, over-current protection (OCP), over-voltage protection (OVP), and under-voltage protection (UVP).

Feature Summary

• Integrates USB-OTG capability for host mode operation in portable devices.
• Provides robust fault protection including OCP, OVP, and UVP monitoring.
• Supports high input voltage acceptance suitable for various charging sources.

Applications

• Portable consumer electronics requiring single-cell lithium-ion battery management
• Mobile devices utilizing USB-OTG connectivity features
• Handheld equipment powered by AC adapter or USB sources

Procurement Notes

Verify the specific suffix 'WSC' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with system input voltage ranges and thermal requirements before integration. Cross-reference ordering information directly with Richtek authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a compact solution for single-cell charging with integrated OTG support is required. Evaluate the trade-off between switching efficiency and electromagnetic interference compared to linear alternatives. Confirm that the available input voltage range aligns with the target power source infrastructure.

Part Context

This part belongs to Richtek's portfolio of battery management solutions designed for handheld devices. It addresses the need for low-power, small-footprint charging controllers that also support peripheral connectivity functions like USB On-The-Go, distinguishing it from standard linear chargers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and electrical parameter equivalence with any potential alternative sources through official cross-reference tools.

FAQ

What input voltage levels does the RT9469WSC support?

The device supports input voltages up to 9V, accommodating AC adapters and various USB power sources.

Does the RT9469WSC include USB-OTG functionality?

Yes, the RT9469WSC is designed with integrated USB-OTG capabilities for host mode operation.