PCA9632DP2Z

Overview

The PCA9632DP2Z is a 4-bit FM+ I²C-bus low-power LED driver manufactured by NXP Semiconductors. It features four independent LED outputs with 25 mA sink current capability and supports a supply voltage range of 2.3 V to 5.5 V. The device operates at clock frequencies from 100 kHz to 1 MHz, enabling high-speed bus communication. It provides multiple control modes including independent brightness adjustment with 8-bit resolution (256 levels) at 1.5625 kHz, grouped dimming with 6-bit resolution, and programmable blinking functions. The component is housed in a 10-TSSOP package.

Feature Summary

• Supports FM+ I²C interface for high-frequency data transmission up to 1 MHz
• Provides independent 8-bit PWM control for precise per-channel brightness adjustment
• Integrates software reset functionality to reinitialize registers via the I²C bus
• Enables multi-device synchronization through software-programmable sub-addressing

Applications

• RGBA color mixing applications requiring precise channel control
• Backlight illumination systems for displays
• Low-power indicator lighting circuits
• Embedded LED control modules

Procurement Notes

Verify that the specific part number PCA9632DP2Z matches the required TSSOP10 package configuration and active status. Confirm compatibility with the target I²C bus voltage levels and frequency requirements before integration. Ensure that the supply chain source provides valid manufacturer documentation to guarantee component authenticity and adherence to RoHS standards.

Selection Notes

Select this component when designing systems requiring independent 8-bit PWM dimming for up to four LEDs with minimal microcontroller overhead. It is suitable for applications needing high-speed I²C communication up to 1 MHz and flexible addressing schemes. Consider its low power consumption and wide operating temperature range for industrial or portable environments where efficient LED management is critical.

Part Context

The PCA9632DP2Z belongs to the PCA9632 series of LED drivers, serving as a drop-in upgrade to the PCA9633 with significantly reduced power consumption. It is designed to replace general-purpose I/O expanders in LED control tasks, offering dedicated hardware PWM generation. This series integrates internal oscillators and noise filters, simplifying circuit design compared to software-based PWM solutions.

Replacement Considerations

PCA9632DP2,118 is listed as a direct substitute.