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Semtech Neo-Iso Platform Features Next Generation Energy Harvesting Capability

Published: Aug 24,2016

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Semtech Corporation announced the production release of the TS13102 and TS13103 solid state relays. These enhanced solid state relays expand the company’s Neo-Iso product platform and enable self-powered control systems in Internet of Things (IoT) applications, such as smart thermostats, alarm panels, factory automation systems, smart controls and more.

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The TS13102 solid state relay can autonomously harvest energy even when its switch is closed and without the assistance of a microcontroller. The harvested energy is stored in a system capacitor (Csys) and can be shared across multiple channels in the system driving several loads simultaneously.

The TS13103 is outfitted with a Power Transfer Output pin (PTO) to transfer the harvested energy on the other side of the isolation barrier to the controller of the system. This design allows for much smaller systems that can last decades without needing their batteries replaced. It also eliminates the need to include costly transformers and AC/DC power supplies with the system, which significantly reduces the bill of materials (BOM) cost.

Both TS13102 and TS13103 relays have a new, enhanced communication scheme that allows the controller to send specific commands through the control line (CLK) to perform a variety of functions, including receiving diagnostic information. The control and feedback lines can be shared across multiple channels, greatly reducing the system microcontroller pin count.

These latest additions to Semtech’s Neo-Iso product portfolio offer designers the benefit of significant board space savings and BOM cost savings compared to mechanical relays, as well as silent operation, diagnostic capability and a major Increase in the lifetime of the product.

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