STMicroelectronics

ST7540  

Drivers, Receivers, Transceivers

ST7540 Description

The ST7540 from STMicroelectronics is a robust half-duplex transceiver designed for reliable communication in demanding industrial and automotive environments. This surface-mount IC integrates 1 driver and 1 receiver in a compact 28-pin HTSSOP package, making it suitable for space-constrained applications. Operating within a 5V to 9V supply range, the ST7540 ensures stable performance across varying power conditions. It complies with ROHS3 and REACH environmental standards, reflecting its suitability for modern eco-conscious designs. With a Moisture Sensitivity Level (MSL) of 3, it requires careful handling but offers long-term reliability in humid conditions.

ST7540 Features

• Half-Duplex Operation: Enables bidirectional communication over a single channel, optimizing wiring complexity.
• Wide Voltage Range (5V–9V): Supports flexible power supply configurations, enhancing compatibility with diverse systems.
• Industrial-Grade Robustness: Designed to withstand harsh environments, including high noise and temperature fluctuations.
• Compact HTSSOP Package: Ideal for high-density PCB layouts, reducing board footprint.
• Compliance: Meets ROHS3, REACH, and EAR99 standards, ensuring global regulatory adherence.
• Low Power Consumption: Efficient design minimizes energy usage, critical for battery-operated applications.

ST7540 Applications

The ST7540 excels in scenarios requiring noise immunity and reliability, such as:

• Industrial Automation: PLCs, motor control, and sensor networks where EMI resilience is critical.
• Automotive Systems: In-vehicle communication buses (e.g., LIN, CAN auxiliary networks).
• Smart Metering: Data transmission in utility meters with long-term durability requirements.
• Home Automation: Robust signaling for HVAC and security systems.

Conclusion of ST7540

The ST7540 stands out as a versatile, high-performance transceiver, combining wide voltage tolerance, compact packaging, and industrial durability. Its half-duplex design and compliance with stringent standards make it a preferred choice for engineers developing resilient communication systems. Whether in automotive, industrial, or smart infrastructure, the ST7540 delivers reliable data transmission where failure is not an option.

ST7540 Documents

Download datasheets and manufacturer documentation for ST7540

EOL :

PRODUCT / PROCESS CHANGE INFORMATION (PDF)      

PCN :

Product Change Notification (PDF)