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XySemi / 赛芯电子

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Battery protection and power management ICs

Suzhou Shi, ChinaFounded 2009
Valuation $100–250M Last recorded · 2022
Total funding $10–50M Disclosed equity funding
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About XySemi / 赛芯电子

Suzhou XySemi Electronic Technology Co., Ltd. (赛芯电子 / 赛芯微) is a fabless power and battery-protection IC designer founded in 2009. Core products include lithium battery protection ICs spanning milliamp-hour to multi-amp-hour packs, plus SOC, DC-DC buck/boost and backlight driver families, with annual shipments described by the company as exceeding one billion units. Headquarters are in Suzhou Industrial Park with offices in Shenzhen, Shanghai and Ningbo; the company reports about 106 employees. Official site xysemi.com.cn is active; Dealroom previously marked website_inactive=true incorrectly.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2009
Headquarters
Suzhou Shi, China
Open positions
None listed
Dealroom signal
0.0/100
Links
Website

Knowledge graph

Founder mafia, market maps, research and news connected to this company by Dealroom

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VC✓Equity / VC Jan 2022 $34M $135M Undisclosed —
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Growth signals

XySemi / 赛芯电子 website traffic

Latest recorded traffic for XySemi / 赛芯电子 is 720 monthly website visits, down 81.1% over the last three months.

Latest monthly visits720 3-month web change-81.1%
Monthly website visitsDec 2023–Oct 2025
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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

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Talent

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Potential founders Hidden — book a demo likely future founders
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Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇨🇳 China · Suzhou Shi HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about XySemi / 赛芯电子 on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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