iKoa, maker of semiconductor products with low power consumption, has raised $7.8 million of an expected $12.6 million in equity, according to a filing with the SEC. Based in Menlo Park, Calif. with an engineering office in Hyderabad, India, the startup makes products for consumer devices including mobile phones and personal computers. iKoa is backed by Khosla Ventures and Catalyst Partners and previously raised more than $11 million in funding.