US Patent No. 11,071,225

SMART HIGH-VOLTAGE RELAY


Patent No. 11,071,225
Issue Date July 20, 2021
Title Smart High-voltage Relay
Inventorship Chandra S. Namuduri, Troy, MI (US)
Rashmi Prasad, Troy, MI (US)
Assignee GM Global Technology Operations LLC, Detroit, MI (US)

Claim of US Patent No. 11,071,225


1. An integrated smart relay assembly, comprising:a case;
an electronic solid-state switch disposed inside the case;
a gate driver circuit electrically connected to the electronic solid-state switch, wherein the gate driver circuit is configured to drive the electronic solid-state switch with a predetermined gate voltage and a predetermined gate current;
a protection circuit electrically connected to the gate driver circuit, wherein the protection circuit is configured to protect the electronic solid-state switch against over-voltage, short circuit, and thermal runaway;
a communication interface integrated with the electronic solid-state switch; and
wherein each of the protection circuit, the electronic solid-state switch, and the communication interface is disposed inside the case;
wherein the gate driver circuit includes a plurality of leads, the case has a plurality of holes, and each of the plurality of holes is sized to receive a respective one of the plurality of leads in a press-fit configuration.