PCA9530D,118

Overview

The PCA9530D,118 is a linear LED driver IC manufactured by NXP USA Inc., designed for backlight applications. It features two outputs with a maximum current of 25mA per channel and supports I2C and SMBus dimming protocols. The device operates within a supply voltage range of 2.3V to 5.5V and functions at clock frequencies up to 400kHz. It is housed in an 8-SO package (SOT764-1) with dimensions of 0.154 inches (3.90mm) width. The component is rated for an operating temperature range of -40°C to +85°C and includes internal switches.

Feature Summary

• Linear LED driver optimized for backlight applications
• Supports I2C and SMBus interface for dimming control
• Internal oscillator enables programmable blink rates without external components

Applications

• Backlight systems
• LED lighting drivers

Procurement Notes

Verify the specific suffix

Selection Notes

Select this component for designs requiring simple linear LED control via I2C. Ensure the application fits within the 2.3V to 5.5V supply range and requires only two output channels. Consider the 8-SO package constraints for PCB layout. Verify compatibility with existing SMBus/I2C bus architectures before integration.

Part Context

The PCA9530 series belongs to NXP's portfolio of LED controllers and I/O expanders. This specific model focuses on dual-channel linear driving capabilities. It complements other devices like the PCA9532 and PCA9533 which offer higher channel counts or PWM-based dimming features for more complex RGB or multi-zone lighting scenarios.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.