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Coolstar Logo
Coolstar Growth Score
82
CB Rank
231411
Heat Score
51
Coolstar is a semiconductor company developing energy-efficient technologies with proprietary silicon power transistors.
Founded
obfuscation
PrivateSeries A Santa Clara, California, United States11-50 www.coolstartechnology.com/
Battery
Data Center
Electronics
Energy
Internet of Things
Semiconductor
Telecommunications
Overview

Coolstar
Growth Score
82
Heat Score
51

Growth Score82
-8 pts
in past quarter
Heat Score 51
-10 pts
in past quarter

Company Performance Metrics

Score
Trend
AI Content may contain mistakes and is not legal, financial or investment advice.Learn more.
Growth Score - The measure of growth based on company activity, operational metrics, and investments
Growth Trend - The change in the growth score over the given time period
Heat Score - The measure of the market interest, media activity, and Crunchbase profile activity
Heat Trend - The change in the heat score over the given time period
Learn More >
Recent Milestones
Raised Funding Round
Jan 1, 1970
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Raised Funding Round
Jan 1, 1970
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Raised Funding Round
Jan 1, 1970
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See more interactive data and historical milestones on desktop for the best experience

About Coolstar

CB Rank
231411
Coolstar is a semiconductor company developing energy-efficient technologies with proprietary silicon power transistors.
Founded
obfuscation
PrivateSeries A Santa Clara, California, United States11-50 www.coolstartechnology.com/
Battery
Data Center
Electronics
Energy
Internet of Things
Semiconductor
Telecommunications

Funding Rounds

Series A
OBF
in
obfuscation

Key People

Details

Legal Name Coolstar Technology, Inc.
Operating Status Active
Company Type For Profit
Founders  Shuming Xu, Xiaotong Lin
About the Company
Coolstar Technology is a fabless semiconductor company. They provide products that include mobile devices, cloud data, and ultimately, products. Their customers' inquiries are addressed through phone, email, and online applications.
Phone Number (408) 657-0608
Contact Email contact@coolstartechnology.com
Diversity Spotlight 
Women Founded
Women Led
Predictions & Insights

Growth Prediction

See this Growth Prediction

Products & Services

NovaFET Silicon Power Transistors
Silicon-based power transistors designed for high efficiency and high linear power at RF frequencies, used in power amplifier applications.
RF Power Amplifier Solutions
Integrated circuit solutions for RF power amplification that optimize efficiency, linearity, and thermal performance in wireless communication systems.

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Financials

Company Funding

Number of Funding Rounds 1
Unlock company funding data, including rounds, dates, amounts, and investors.
Announced Date  
Transaction Name  
Number of Investors  
Money Raised  
Lead Investors  
Funding Type  
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Series A - Coolstar Logo
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2
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2
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Series A - Coolstar
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Funding Rounds

Number of Funding Rounds 1
Unlock company funding data, including rounds, dates, amounts, and investors.
Announced Date  
Transaction Name  
Number of Investors  
Money Raised  
Lead Investors  
Funding Type  
obfuscation
Series A - Coolstar Logo
Series A - Coolstar
2
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Investors

Unlock company funding data, including rounds, dates, amounts, and investors.
Investor Name  
Lead Investor  
Funding Round  
Partners  
Yunqi Partners Logo
Yunqi Partners
—
Series A - Coolstar Logo
Series A - Coolstar
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Yunqi Partners Logo
Yunqi Partners
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Yunqi Partners Logo
Yunqi Partners
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Yunqi Partners
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Yunqi Partners
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Market Intelligence
People
View Profiles & Contacts
Headcount 11-50 Employee Profiles 2 Contacts 8

Employee Profiles

News

News and Press

News•May 11, 2024
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News•May 6, 2024
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News•Sep 23, 2023
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News•Apr 17, 2023
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Access a complete feed of recent news and press, from product launches to leadership changes.
Technology
View Tech Report

Monthly Web Visits

77
35.09%
 in past month

IT Spend

$326.7KThis year, Coolstar is projected to spend $326.7K on IT, according to Aberdeen.

Interest Signals

TopicSurge Score
PC Gamer Logo
PC Gamer
100
Network Hardware Logo
Network Hardware
87
Retirement Trends Logo
Retirement Trends
86

Active Website Tech Count

24Coolstar is actively using 24 technologies for its website, according to BuiltWith. These include Viewport Meta, IPhone / Mobile Compatible, and  SSL by Default.

Total IP

16The intellectual property of Coolstar includes 16 registered patents primarily in the 'Basic Electric Elements' category, according to IPqwery.
Sub-Organizations
Frequently Asked Questions

Where is Coolstar's headquarters? Coolstar is located in Santa Clara, California, United States.Who invested in Coolstar? Coolstar has 2 investors including Yunqi Partners and  Y Combinator.When was the last funding round for Coolstar? Coolstar closed its last funding round on
obfuscation
from a Series A round.Who are Coolstar's competitors? Alternatives and possible competitors to Coolstar may include STMicroelectronics, onsemi Intelligent Technology, and  Infineon Technologies.
Who We Are
What We Do
Helpful Links
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