Interfaces and Transceivers

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ST’s portfolio of interfaces includes standard interfaces (such as RS-232, RS-422, RS-423, RS-485, LVDS, and USB), I/O expanders, level translators and application-specific interfaces for smart cards and Ethernet.


Transceivers with auto-power-down, standby functions and high ESD protections.

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Low-power, high speed transceivers with high protection level from 16 up to 256 nodes.

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Products designed for USB data (transceivers) and/or power delivery applications (battery chargers and charger detection).

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Smartcard Interfaces

Asynchronous 1.8V, 3V and 5V smartcards interfaces.

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I/O Expanders & Level translators

I/O expanders, Interface between multi-voltage chipsets and system I/Os.

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Power Line Transceivers

Come with an extensive toolbox that includes evaluation boards, software and certified protocol stacks, providing designers with a comprehensive development environment.

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Darlington Arrays

High-voltage, high-current switch arrays containing multiple open-collector Darlington pairs or multiple Darlington transistors.

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Small and Powerful RS485 Transceiver,
It’s All About Flexibility and Robustness