Automotive solid-state relays

26 April 2022 Switches, Relays & Keypads

Texas Instruments introduced a new portfolio of solid-state relays, including automotive-qualified isolated drivers and switches, that deliver advanced reliability to help make electric vehicles (EVs) safer. The new isolated solid-state relays also provide a small solution size while reducing the bill-of-materials (BOM) cost of powertrain and 800 V battery management systems.

The TPSI3050-Q1 isolated switch driver with an integrated 10 V gate supply, and the TPSI2140-Q1 1,4 kV, 50 mA isolated switch both integrate power and signal isolation across a single barrier using a unique approach that improves reliability while reducing solution size and cost compared to existing electromechanical relays and solid-state photorelays. The devices are the first in a new solid-state relays portfolio that will also include ICs designed for high-voltage industrial applications.

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