PCA9553DP/01,118

Overview

The PCA9553DP/01,118 is a linear LED driver IC manufactured by NXP USA Inc. It features four independent outputs capable of sourcing up to 25 mA each. The device supports I2C interface communication with a maximum frequency of 400 kHz for dimming control. It operates within a supply voltage range of 2.3 V to 5.5 V and functions across an ambient temperature range of -40°C to +85°C. The component is housed in an 8-TSSOP surface-mount package.

Feature Summary

• Provides four-channel linear LED driving capability with integrated I2C bus interface for digital control.
• Supports hardware reset functionality and includes internal power-on reset logic for reliable initialization.

Applications

• LED backlighting systems requiring I2C control
• Status indicator circuits in embedded devices
• General-purpose low-power LED illumination

Procurement Notes

Verify the specific suffix '01' against the official datasheet to confirm the fixed I2C address configuration, as this variant differs from standard versions. Confirm RoHS3 compliance status through current manufacturer documentation before finalizing procurement specifications.

Selection Notes

Select this component when a compact solution for controlling multiple LEDs via I2C is required without external PWM generators. Ensure the system voltage aligns with the 2.3 V to 5.5 V operating range and that the 25 mA per channel output current meets the load requirements.

Part Context

This part belongs to the PCA9553 family of LED controllers designed for simple I2C-based lighting applications. It serves as a bridge between microcontrollers and LED arrays, simplifying design by integrating drive circuitry and communication protocols into a single small-footprint package.

Replacement Considerations

PCA9553 variants with different address suffixes may be functionally equivalent if address conflicts are resolved. Verify pinout compatibility and electrical parameters before substituting.