TLC6989DRRR

Specialized Overview

The TLC6989DRRR is an LED display driver manufactured by Texas Instruments, designed to bridge SPI interfaces with the TLC698x matrix. It operates within a supply voltage range of 2.5 V to 5.5 V and draws a maximum power current of 3.1 mA. The device supports up to 8 LEDs and utilizes an SPI interface for communication. It is housed in a WSON-12 package suitable for SMD/SMT installation. The component functions across a temperature range from -40 C to +85 C. Key integrated features include CRC verification, fault output capabilities, an internal oscillator, and under-voltage lockout (UVLO) protection.

Specialized Feature Summary

• Provides SPI-compatible connectivity to control the TLC698x device series via standard SPI controllers.
• Integrates an internal oscillator to generate continuous clocks required by the TLC698x series, with programmable jitter for EMI enhancement.
• Includes diagnostic features such as open-drain fault pins, SPI communication loss detection, and CRC for data integrity.

Specialized Applications

• SPI-compatible connection for TLC6983 devices
• SPI-compatible connection for TLC6984 devices
• LED matrix display systems requiring continuous clock serial interface

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through the latest datasheet revision. Ensure the WSON-12 footprint matches the target PCB design constraints. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.

Specialized Selection Notes

Select this component when interfacing microcontrollers with TLC698x LED matrices via SPI. Ensure the system voltage falls between 2.5 V and 5.5 V. Verify that the WSON-12 package size fits the mechanical constraints. Consider the thermal operating range of -40 C to +85 C for environmental suitability. Check if CRC and fault reporting features are required for system diagnostics.

Specialized Part Context

This device belongs to the TLC6989 series of LED display drivers from Texas Instruments. It serves as a bridge between host SPI controllers and downstream TLC698x peripheral devices. The series supports continuous clock serial interface (CCSI) protocols. It is categorized under Driver ICs and LED Display Drivers within the semiconductor component taxonomy.

Specialized Replacement Considerations

Consult the Texas Instruments product selection guide for compatible alternatives within the TLC698x family or similar SPI-to-LED driver bridges. Verify pin compatibility and electrical parameters before substitution.

Specialized FAQ

How does the TLC6989 handle EMI performance?

It allows adding jitter to the continuous clock generated by its internal oscillator to enhance EMI performance.

What diagnostic features are included?

The device includes an open-drain fault pin, SPI communication loss detection, and CRC for data integrity verification.

Which devices can it connect to?

It provides SPI-compatible connections for TLC6983 and TLC6984 devices within the TLC698x series.