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March 19 (Reuters) - Nvidia shares dipped in premarket trading on Tuesday after having more than tripled in value in the past year, as investors awaited more details on the company's latest AI chip that is expected to further cement its lead in the industry.

Shares of the world's third most-valuable firm dropped about 0.5%, with some analysts saying investors had already factored in the first look of the B200 "Blackwell" chip, which the company claims is 30 times faster at some tasks than its predecessor, and were looking out for more details.

"Blackwell always had a high bar for investors," said Kathleen Brooks, research director at Polish broker XTB.

"It could take a bit of time to (ascertain) if it can deliver for Nvidia's bottom line in the way the current GPU does."

Along with the Blackwell chip, which binds together two squares of silicon the size of the company's previous offering, the company detailed a new set of software tools on Monday, to help developers sell artificial intelligence models more easily to firms that use Nvidia's technology.

The new flagship chip is expected to be used by Amazon.com , Alphabet's Google, Meta Platforms, Microsoft, OpenAI and Tesla.

Nvidia is also shifting from selling single chips to selling total systems.

"Blackwell appears likely to be strong, and the company's continued push not just on chips but on broader software and hardware ecosystems remains unmatched," Bernstein analysts said in a note.

The software push shows how Nvidia, whose chips are mostly used for training large-language models like Google's Gemini, is trying to make its hardware easier to adapt for companies rushing to integrate generative AI into their businesses.

Several analysts have said the market for inference chips, which help AI models answer queries and produce images in response to user prompts, will ultimately be much bigger than the training chips market on which Nvidia has a tight hold.

Nvidia's market share is expected to drop several percentage points this year, as competitors launch new products and the company's largest customers make their own chips, although its market dominance is expected to remain unchallenged.

The firm, which has cornered 80% of the AI chip market, is expected to provide more details on pricing at its presentation for financial analysts at 11:30 a.m. ET (1530 GMT) on Tuesday.

Shares of other high-flying chipmakers also fell. Super Micro Computer was down 9% after launching a stock offering while Advanced Micro Devices and Marvell Technology dropped about 3% each.

Nvidia's forward price-to-earnings ratio, a commonly used metric to value stocks, stood at 34.6, below its three-year average of 42.

(Reporting by Medha Singh in Bengaluru, additional reporting by Aditya Soni; Editing by Pooja Desai)