S3 Semiconductors designs advanced mixed-signal chips and manages every aspect of supplying production devices using some of the world’s most advanced semiconductor production facilities.

By combining its expertise in Mixed Signal and RF product IP with its design capability  for hundreds of customers in every major region, S3 Semiconductors delivers a new breed of design-centric semiconductor solutions capable of optimizing designs and achieving cost economies not thought possible with custom chips designs until now.

S3 Semiconductors is head-quartered in Dublin, Ireland, with offices in Cork, the US, Portugal, the Czech Republic, along with representatives worldwide.

ACT was the lead investor in S3 Semiconductor Solutions with strategic investor Philips N.V.

The Business was acquired by Adesto Inc (Nasdaq:IOTS) in May 2018.