Apple chip supplier Dialog is being bought for nearly $6 billion by Japanese giant Renesas Electronics Summary List Placement Japanese chipmaker Renesas Electronics Corp has agreed to buy Dialog Semiconductor, an Apple supplier, for 4.9 billion euros ($5.9 billion) in cash. Renesas, one of the world's biggest auto chip makers, has offered 67.50 euros a share for Dialog, representing a 20% premium to Friday's closing price and a 52% premium to a weighted three-month average. Dialog is listed in Frankfurt and headquartered in the UK. "The transaction we announced today represents our next important step in catapulting Renesas' growth plan," Hidetoshi Shibata, President and CEO of Renesas, said of the latest in a string of acquisitions in recent years. Dialog, which specialises in power-management chips and low-energy Bluetooth products used in fitness trackers and cordless earphones, said the agreed deal represented a "compelling opportunity" for its shareholders. Its board of directors would unanimously recommend the offer, it said. Dialog shares traded 16% higher in Frankfurt at 65.30 euros, just shy of the agreed sale price.