PCA9530D,112

Overview

The PCA9530D,112 is a linear LED driver IC manufactured by NXP USA Inc. It features two output channels capable of delivering up to 25mA per channel. The device supports I2C and SMBus interfaces for control, operating at frequencies up to 400kHz. It functions as a 2-bit I/O expander optimized for dimming LEDs in 256 discrete steps, facilitating RGB color mixing and backlight applications. The component operates within a supply voltage range of 2.3V to 5.5V and is housed in an 8-SO package.

Feature Summary

• Supports I2C and SMBus bus protocols for digital control
• Provides 256 discrete dimming steps for precise intensity adjustment
• Optimized for Red/Green/Blue (RGB) color mixing applications

Applications

• LED backlighting systems
• RGB color mixing circuits
• I2C/SMBus controlled lighting interfaces

Procurement Notes

Verify the current lifecycle status of the PCA9530D,112 before procurement planning. Official sources indicate this specific part number may be obsolete or discontinued. Confirm availability through authorized distributors or check for valid replacement components from the same manufacturer family to ensure long-term supply chain stability.

Selection Notes

Select this component when designing systems requiring precise, software-controlled LED dimming via standard I2C or SMBus interfaces. It is suitable for applications needing low-current outputs around 25mA with high resolution dimming capabilities. Ensure the design accommodates the required supply voltage range and thermal conditions for the 8-SO package.

Part Context

This component belongs to the PCA95xx series of interface and peripheral ICs from NXP Semiconductors. These devices are designed to expand system connectivity and provide specialized control functions over serial buses. The PCA9530 specifically addresses LED driving needs within this portfolio, offering a compact solution for display and lighting control tasks.

Replacement Considerations

Public records indicate the PCA9530D,112 is obsolete. Consider evaluating alternative parts such as the PCA9530DP,118 or other active members of the PCA9530 family that offer compatible pinouts and functionality while maintaining current production status.