Yisiyuan

Name

Yisiyuan

Legal name

宜矽源半导体南京有限公司

Website

https://easypowerinc.com

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Analog Semiconductors (Battery Management ICs)

NAICS

Other Measuring and Controlling Device Manufacturing (334519)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Battery Management System (BMS) & HV Control Electronics Manufacturing (IMACACAH)

akta.pro secondary industries

Battery Management Systems (BMS) & Battery Electronics (IMAGAHAC), Battery Management Systems (BMS) & Pack Electronics Manufacturing (EUAFABAJ)

Keywords

• Battery management chips
• Analog front-end ICs
• Automotive-grade semiconductors
• Lithium battery management
• BCD process chips

Headquarters

HQ city

Suzhou

HQ country

China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. BMS/AFE Chip Product Sales: Yisiyuan generates revenue primarily from the design, development, and sale of multi-cell lithium battery management chips (BMS AFE chips) and related analog/mixed-signal IC products. Revenue comes from direct chip sales to customers in industrial control, automotive electronics, and power storage sectors.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Yisiyuan designs and sells high-end analog integrated circuits (ICs) for multi-cell lithium battery management systems (BMS), including AFE-only chips and integrated AFE+MCU platforms supporting 2-36 cells. Its product portfolio (DVC10XX, DVC11XX, DVC20XX, DVC21XX, DVC12XX, DVC60XXX, and automotive-grade DVC51016 series) targets industrial control, electric vehicle, and power storage applications. The company operates as a fabless chip designer with in-house testing and a dedicated automotive-grade chip delivery center.

Differentiator

Problem solved

Functional benefit

Products and services

• DVC10XX Series (Multi-cell BMS AFE Chip) Multi-cell lithium battery pack monitoring chip built on automotive-grade high-voltage BCD process, communicating with host via four-wire SPI. Includes built-in hardware protection, passive cell balancing, and low-side NMOS charge/discharge FET drivers, designed for industrial control applications.
• DVC11XX Series (Single-Die AFE Chip) Multi-string lithium battery pack monitoring single-die chip on automotive-grade high-voltage BCD process, supporting 4-24 cells up to 130V. Integrates 16-bit ΣΔ ADC, hardware protection, high-side and low-side NMOS drivers, autonomous I2C/small-current wake-up; AEC-Q100 certified.

Quantifiable outcome

• DVC11XX series supports up to 24 cells at 130V, with cumulative shipments of millions of chips
• +3 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Three partnerships are on record, tiered major and core.

• Kewx Xinci (科微芯测 / 合肥科微芯测科技有限公司)majorImplementation/ SI/ Consulting Partner · 23 May 2024Kewx Xinci provided comprehensive chip testing and certification services for Yisiyuan's DVC11XX series, including environmental adaptability testing, reliability testing, failure analysis, and other strict tests to help the products pass AEC-Q100 certification.
• TÜV莱茵 (TÜV Rheinland)coreTechnology or Integration · 23 October 2023TÜV Rheinland awarded Yisiyuan the ISO 26262 functional safety management system ASIL D certification, validating the company's automotive-grade chip development process meets the highest international safety standards.
• TÜV莱茵 (TÜV Rheinland)coreImplementation/ SI/ Consulting Partner · 1 October 2022Yisiyuan and TÜV Rheinland formally initiated the ISO 26262 functional safety project cooperation, with TÜV Rheinland providing functional safety consultation, process assessment, and certification services.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• SG Micro: Leading Chinese analog IC designer (SHE: 300661) producing power management and signal chain products. Comparable as a fabless Chinese analog competitor targeting overlapping industrial and consumer customers, with a public listing giving it stronger capital access than Yisiyuan.
• 3Peak Incorporated: Chinese signal chain analog IC designer (SHA: 688536) focused on high-performance analog. Comparable as a Chinese fabless analog peer pursuing automotive and industrial market expansion with similar technology positioning to Yisiyuan.
• Silergy Corp: Chinese power management IC designer specializing in high-performance DC-DC converters and battery management analog. Comparable as a fabless Chinese power analog peer with overlapping BMS-adjacent product lines and similar industrial/consumer end-market exposure.
• Chipown: Chinese power management IC designer (SHA: 688508) producing AC-DC and DC-DC products for industrial, consumer, and automotive markets. Comparable as a fabless Chinese analog competitor with similar end-market diversification across industrial power and battery applications.

Broad incumbents

• Texas Instruments: Global analog semiconductor leader with the BQ76xxx/ BQ769xx BMS AFE portfolio serving automotive, industrial, and energy storage markets. Directly competes with Yisiyuan in multi-cell lithium battery monitoring chips but operates at vastly larger scale with broader product breadth.
• NXP Semiconductors: Automotive semiconductor leader with the MC33771/MC33772 BMS AFE portfolio targeting EV and 12V battery applications. Competes with Yisiyuan in automotive-grade BMS chips and benefits from deep OEM design-in relationships globally.
• Analog Devices: Global analog leader with the LTC68xx family of multi-cell BMS stack monitors (acquired via Linear Technology). Direct competitor in automotive and energy storage BMS AFE chips with established relationships across Tier-1 BMS integrators worldwide.
• ON Semiconductor: Global power and analog semiconductor supplier with a BMS IC portfolio serving automotive and industrial markets. Competes in BMS-related power management ICs at greater scale and broader portfolio scope than Yisiyuan.
• Renesas Electronics: Global automotive MCU and analog leader with the ISL94202/ISL94203 BMS IC portfolio (via the Intersil acquisition). Competes across industrial and automotive BMS markets with a broader MCU-plus-AFE platform.

Emerging players

• BYD Semiconductor: Chinese vertically integrated automotive semiconductor arm of BYD Group, producing IGBTs, MCUs, and BMS ICs primarily for captive BYD EV demand. Comparable as a Chinese domestic automotive BMS IC competitor but with fundamentally different economics given its captive OEM parent.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries2 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yisiyuan