TL16C2550IPFBG4

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C2550IPFBG4 is a dual universal asynchronous receiver transmitter (UART) integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 1.8 V to 5.5 V and supports data rates up to 1.5 Mb/s. The device features two independent UART channels, each equipped with a 16-byte FIFO buffer for efficient data handling. It is housed in a 48-pin Thin Quad Flatpack (TQFP) package measuring 7x7 mm. The component complies with RoHS standards and includes an internal oscillator. It is designed for surface-mount installation and functions across commercial temperature ranges.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual-channel architecture providing independent asynchronous serial communication paths
• Integrated 16-byte transmit and receive FIFOs per channel to reduce CPU overhead
• Wide operating voltage compatibility supporting 1.8 V, 2.5 V, 3.3 V, and 5 V systems
• Internal clock oscillator eliminates the need for external crystal components

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation controllers requiring reliable serial data exchange
• Embedded systems utilizing multiple asynchronous communication interfaces
• Consumer electronics devices needing compact UART solutions
• Automotive infotainment and diagnostic modules

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the presence of the G4 suffix to confirm lead-free compliance and environmental adherence. Ensure the IPFB package code matches the required 48-TQFP footprint on the target PCB layout. Confirm that the selected variant meets the specific temperature grade requirements for the intended operational environment before finalizing procurement orders.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual independent UART channels are required within a single package to save board space. The wide voltage range allows direct interfacing with various logic levels without additional level shifters. Consider the 16-byte FIFO depth for applications involving burst data transfers to minimize processor interrupt frequency during high-throughput serial communications.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the TL16C2550 family of dual UART interface ICs. It serves as a modern replacement for legacy single-channel UARTs in designs requiring increased serial connectivity. The TQFP-48 package offers a balance between pin count and physical size, suitable for dense electronic assemblies. It complements other TI interface products by providing robust asynchronous communication capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Direct substitutes include the TL16C2550PFB and TL16C2550PFBR variants from Texas Instruments. These parts share identical electrical characteristics and pinouts but may differ in packaging format or reel specifications. Verify functional equivalence regarding voltage ranges and FIFO depths before implementing any cross-references.