Coolstar Technology, Inc. logo — company profile

Coolstar Technology, Inc.

Founded 2014 United States Santa Clara, United States 21 employees Series A Data Analytics, Energy +4

General Information

Company Name Coolstar Technology, Inc.
Founded Year 2014
Location United States Santa Clara, United States
Employees 21
Industries Data Analytics, Energy, IoT +3
Funding Stage Series A
Business Model B2B, B2B2B
Revenue Model Product Sales, Licensing, Project Based
Social

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About Coolstar Technology, Inc.

Coolstar Technology, Inc., founded in July 2014 in Sunnyvale, California, is a groundbreaking fabless semiconductor company. The firm has excelled by securing three funding rounds, with a pivotal Series A investment on June 30, 2015 from esteemed investors like Y Combinator and Yunqi Partners. These investments underscore investor confidence in their cutting-edge innovations.

Coolstar stands out for its proprietary transistor and circuit design technology, offering revolutionary advancements in power management solutions. These solutions are not only the most efficient in the market but also possess an impressively compact form factor, appealing to a variety of sectors, including the Internet of Things, mobile devices, cloud data centers, and telecom.

Operating at the intersection of various high-growth industries like Energy, IoT, and Telecom, Coolstar's technologies are pivotal in extending battery life and offering substantial energy cost savings, promoting a sustainable and 'greener Earth'.

Services & Products

RF PA Technologies
IC Solutions
Efficiency Optimization
System Solution Performance

Target Customers

Telecommunications Companies WiFi Access Point Manufacturers 5G Network Providers Mobile Device Manufacturers

Funding Rounds & Investors (1)

View All
Funding Stage Amount Investors Lead Investors Date
Series A Undisclosed 2
Y Combinator, Yunqi Partners
30 Jun 2015

Coolstar Technology, Inc. Alternatives & Competitors

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Coolstar Technology, Inc. vs
AmberSemi™
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Coolstar Technology, Inc. vs

LE-UWB™ Wireless Technology Deterministic Wireless.™ Delivered.

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Coolstar Technology, Inc. vs
Lumiphase
Lumiphase Switzerland

Fueling next-generation ICT infrastructure

69 employees
Semiconductor, Telecom

FAQ About Coolstar Technology, Inc.

Coolstar Technology, Inc., a fabless semiconductor company, was founded in July 2014 in Sunnyvale, California. The company has raised three rounds of funding and established strong partnerships with the top foundry and tier-1 customers. With its proprietary transistors and cutting-edge circuit desi...
Coolstar Technology, Inc. was founded in 2014.
Coolstar Technology, Inc. is headquartered in Santa Clara, United States.
Coolstar Technology, Inc. operates in Data Analytics, Energy, IoT, Semiconductor, Telecom and Energy Storage. Its customers include Telecommunications Companies, WiFi Access Point Manufacturers and 5G Network Providers.
Coolstar Technology, Inc. has a B2B and B2B2B business model. Its revenue comes from Product Sales, Licensing and Project Based.
Coolstar Technology, Inc. has approximately 21 employees.
Coolstar Technology, Inc. has completed 1 funding round. The latest funding stage is Series A.
Coolstar Technology, Inc. offers: RF PA Technologies, IC Solutions, Efficiency Optimization, System Solution Performance.
Top alternatives and competitors to Coolstar Technology, Inc. include AmberSemi™, SPARK Microsystems, Lumiphase, Kigen, e-peas. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Coolstar Technology, Inc. and AmberSemi™ are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Coolstar Technology, Inc., https://bouncewatch.com/company/coolstar-technology-inc, updated 21 July 2026. When citing, please name BounceWatch and link this page.

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