PCA9622DR/S911118

Overview

The PCA9622DR is a low-power I²C-bus controlled LED controller manufactured by NXP Semiconductors. It features an integrated oscillator and supports up to sixteen individually addressable outputs with configurable current sinking capabilities. The device operates within a wide voltage range, enabling compatibility with various logic levels. It includes programmable output states and dedicated control registers for each channel, allowing precise management of LED brightness and color mixing in complex display applications.

Feature Summary

• I²C-bus interface for simplified system integration
• Individual channel control for precise LED management
• Integrated oscillator eliminates external timing components
• Configurable output drive strength for diverse load requirements

Applications

• LED matrix displays
• Backlight control systems
• Status indicator arrays
• Consumer electronics lighting

Procurement Notes

Verify the specific suffix 'S911118' against official NXP documentation to confirm tape-and-reel specifications and moisture sensitivity level. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the manufacturer's latest datasheet to confirm active status and any potential lifecycle changes before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring individual LED control via a standard two-wire interface. It is suitable for applications needing reduced pin count on the main microcontroller. Consider its operating voltage range and output current limits relative to the target LED loads. Evaluate the package type availability for automated assembly processes.

Part Context

This component belongs to NXP’s family of I²C-controlled LED drivers designed for general-purpose illumination and indication tasks. These devices typically offer high reliability and low power consumption compared to discrete transistor solutions. They are commonly utilized in environments where space constraints and wiring complexity necessitate integrated control solutions.

Replacement Considerations

Consult NXP’s official cross-reference tools or datasheets for verified substitute part numbers. Ensure any replacement maintains compatible I²C addressing and electrical characteristics. Verify package footprint compatibility if direct pin-to-pin substitution is required.