PCA9632TK2,118

Overview

The PCA9632TK2,118 is a 4-bit Fm+ I²C-bus low-power LED driver manufactured by NXP Semiconductors. It features four independent LED outputs with 8-bit PWM resolution for precise brightness control. The device supports an operating voltage range of 2.3 V to 5.5 V and includes programmable output configurations such as open-drain or push-pull. It integrates group dimming and blinking functions to reduce bus traffic. The component is housed in an HVSON8 package and complies with RoHS standards.

Feature Summary

• Four independent LED outputs with 8-bit PWM resolution for precise brightness control
• Supports Fast-mode Plus (Fm+) I²C interface up to 1 MHz
• Programmable open-drain or push-pull output drivers
• Integrated group dimming and blinking functions

Applications

• RGBA color mixing applications
• Backlight control for displays
• Status indicator lighting in embedded systems

Procurement Notes

Verify the specific suffix '2' against official NXP documentation to confirm pinout and electrical characteristics, as standard variants typically use suffixes like '118'. Ensure the HVSON8 package matches your PCB footprint requirements. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and availability.

Selection Notes

Select this component when designing systems requiring multiple independently controlled LEDs with minimal microcontroller overhead. It is suitable for applications needing high-speed I²C communication and low power consumption. Consider the package size constraints and verify compatibility with the system's I²C bus voltage levels before integration.

Part Context

The PCA9632 belongs to NXP's family of I²C-controlled LED drivers, designed to simplify LED management in embedded systems. It offers a hardware-based solution for PWM generation, reducing CPU load compared to software-driven GPIO toggling. This series is commonly used in consumer electronics and industrial control panels where reliable and efficient LED driving is essential.

Replacement Considerations

PCA9632DP2Z is a direct replacement option available in TSSOP10 packaging.