What Grenergy does

Nanjing GreenChip Integrated Circuit Co., Ltd. (南京绿芯集成电路有限公司), operating under the brand Grenergy (绿芯), is a privately-held fabless integrated circuit design company founded in August 2016 and headquartered in Nanjing Pukou Economic Development Zone, China. The company was established as the China operations of Taiwan-based GreenDao Optoelectronics (绿达光电), inheriting 15+ years of accumulated R&D experience in power management semiconductors. Grenergy maintains R&D and marketing offices in Shenzhen and Shanghai, with a Huizhou office, 6+ domestic branches, and 3+ overseas branch offices supporting a global customer base of 100+ units with cumulative AC/DC product shipments exceeding 1 billion units.

The company's core technology spans six product lines: AC/DC PWM controllers (including primary-side regulation, quasi-resonant, and multi-mode variants), synchronous rectifier controllers, DC/DC LLC controllers, housekeeping/supervisor ICs, super junction MOSFETs, and GaN HEMT power devices. A key technical differentiator is the GN9235Q series co-packaged GaN chips integrating 650V GaN HEMT devices with QR-mode flyback controllers in a single package, supporting switching frequencies up to 160kHz. The company holds 13 granted invention patents and 44 IC layout design registrations, with JEDEC-qualified GaN products and R&D expenses representing 20% of sales revenue. Product applications span PD fast chargers, LED lighting drivers, laptop adapters, PC power supplies, and EV charging stations.

Grenergy operates a sales-led, direct-to-OEM go-to-market model, supplying power management ICs and GaN semiconductor devices to consumer electronics manufacturers, charger OEMs, and LED lighting companies. Named end-customers include StarCharge (星星充电) for EV charging桩 applications, IKEA for retail power strip products (via the GR1230H + GN1265CLG GaN solution), and an unnamed major smartphone brand for GaN fast charger ICs. Revenue is generated through component sales under direct commercial supply agreements. The company has been recognized as a Fifth Batch 'Little Giant' specialized enterprise by Jiangsu Province, a National High-Tech Enterprise, and a Nanjing cultivating unicorn enterprise.

Name

Grenergy

Legal name

南京绿芯集成电路有限公司

Website

https://grenergychip.com

Company type

Private

Founded year

2016

Operating status

Operating

Short description

Nanjing GreenChip Integrated Circuit Co., Ltd. (Grenergy) is a China-based fabless IC design company developing power management chips and GaN HEMT semiconductor devices for consumer electronics OEMs, EV charging, LED lighting, and computing power supply applications.

Ownership category

akta.pro rank

Product category

Power Management Semiconductors

NAICS

Semiconductor and Related Device Manufacturing (334413), Electrical Equipment Manufacturing (33531)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Wide-Bandgap Power Devices (SiC/GaN Discretes) (HDAHAHAG)

akta.pro secondary industries

Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), Power Delivery & Fast-Charging Accessories (GaN, PD/QC, PPS) (CRACATAI)

Keywords

• Power management ICs
• GaN HEMT devices
• AC/DC controllers
• Synchronous rectifier controllers
• Fabless semiconductor design

Headquarters

HQ city

Nanjing

HQ country

China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Semiconductor IC and GaN Device Sales: Revenue from selling power management ICs, GaN HEMT devices, synchronous rectifier controllers, and related semiconductor products to consumer electronics OEMs, charger manufacturers, and LED lighting companies. Sales model based on component supply agreements.
2. Renewable Energy Project Development: Spanish Grenergy develops utility-scale solar and battery storage projects, securing financing and long-term PPAs. Revenue generated from project construction, sale of project phases, and long-term energy generation contracts.
3. Capacity Contracts / Grid Services: Grenergy participates in capacity auctions (e.g., NESO UK auctions) securing 15-year capacity contracts for BESS projects, providing long-term revenue visibility.

Pricing tiers

Go-to-market motion3 records

Distribution channels2 records

Marketing channels4 records

Core offering

Nanjing GreenChip (Grenergy) is a fabless integrated circuit design company that develops and sells energy-saving power management chips and third-generation semiconductor (GaN) power devices. Its portfolio includes AC/DC PWM controllers, primary-side regulation ICs, synchronous rectifier controllers, LLC resonant controllers, housekeeping supervisor ICs, super junction MOSFETs, and GaN HEMT devices. These products are used in smartphone fast chargers, laptop adapters, PC power supplies, LED lighting drivers, EV chargers, and other consumer electronics power applications.

Product overview

Nanjing Greencore Integrated Circuits Co., Ltd. (绿芯/Greenchip) is a specialized fabless IC design company focused on power management chips and third-generation semiconductor (GaN) devices. The company operates six product lines: AC/DC controllers (PWM and primary-side regulation controllers), SR (synchronous rectification controllers), DC/DC (LLC controllers), Housekeeping (power supply supervisor ICs), Super Junction MOSFETs, and GaN HEMT devices. Their portfolio includes over 100 discrete IC products and semiconductor devices targeting power adapter, charger, LED lighting, PC power supply, and industrial applications. The company claims cumulative shipments exceeding 1 billion AC/DC ICs and is positioned as a domestic pioneer combining power management control chips with GaN power devices in China. Notable product families include the GR1230 multi-mode PWM controllers, GR9235Q GaN co-packaged chips for fast charging, GR938x synchronous rectifier series, and the GM65R/GN3xxx power device series. The company also provides application solutions including PD fast charging, LED drivers, notebook adapters, and PC power supply housekeeping circuits.

Differentiator

Problem solved

Functional benefit

Products and services

• AC/DC PWM Controllers (GR1230 Series) Multi-mode PWM controllers supporting CCM/QR/PFM operation with integrated protections, designed for flyback converters in power adapters and chargers. GR1230 series offers power levels up to 60W in SOT23-6 packages with standby power below 70mW.
• Primary-Side Regulation (PSR) Controllers (GR1210/GR9210 Series) High-precision primary-side feedback controllers with PFM operation for flyback converters. GR1210 series supports ≤60W with CC&CV regulation, while GR9210 series integrates 650V power MOSFETs for power switch implementations.
• Green-Mode PWM Controllers (GR8875/GR8874 Series) Current-mode PWM controllers with built-in high-voltage startup circuits (650V/700V) and green-mode power-saving functions. Supports up to 200W applications in SOP-8/SOP-7/DIP-8 packages with OLP, OVP, and OCP protections.
• Combo IC with Integrated MOSFET (GR1937/GR9230 Series) Integrated power switches combining PWM controllers with 650V/700V power MOSFETs in DIP-8/SOP-7/ESOP-6 packages. GR1937 targets ≤28W; GR9230 supports up to 30W with multi-mode operation.
• Synchronous Rectifier (SR) Controllers (GR8386/GR9381/GR9382 Series) High-performance secondary-side synchronous rectification controllers supporting CCM, QR, and DCM modes. GR8386CG operates up to 160kHz with 15ns turn-off delay; GR9381/GR9382 series integrate 40V-120V MOSFETs for 3.3V-20V output applications.
• LLC Controllers (GR8770KG/GR9770KG) High-efficiency LLC controllers for resonant converter applications. GR8770KG supports up to 1000W with adjustable frequency; GR9770KG combines LLC+PFC control for power factor correction. Both feature standby power below 100mW and on-chip OTP.
• Housekeeping Controllers (GR8312/GR8323/GR8329 Series) Multi-channel supervisor ICs for power supply monitoring providing over-voltage, under-voltage, and over-current protections. GR8329E monitors 3.3V, 5V, and two 12V channels with power good signal generation for PC and LCD TV power supplies.
• Super Junction MOSFETs (GM60R/GM65R Series) Advanced trench-gate super junction MOSFETs for AC-DC SMPS applications. Available in 600V (GM60R) and 650V (GM65R) ratings with RDS(on) ranging from 26mΩ to 690mΩ. Packages include TO-220F, TO-247, TO-252, and TO-263 for UPS, ATX power supplies, and industrial applications.
• GaN HEMT Devices (GN1065T/GN2065T/GN3065T Series) Fourth-generation JEDEC-qualified GaN HEMT devices rated at 650V for power adapter and SMPS applications. GN1065T offers 480mΩ RDS(on) at 3.6A, GN2065T provides 240mΩ at 6.5A, GN3065T delivers 150mΩ at 13A. Available in DFN5×6, DFN8×8, and TO-220 packages.
• GaN Co-Packaged Chips (GN9235Q/GN9238Q Series) Integrated gallium nitride power devices with PWM controllers in single packages. GN9235Q integrates 650V/200mΩ GaN HEMT with QR-mode flyback controller. Available in ESOP-6, DFN5×6, DFN8×8 packages for fast charging applications.
• PFC Controllers (GR8762/GR8772 Series) Power factor correction controllers operating in critical conduction mode. GR8762 provides current-mode PFC control with ±500mA totem-pole output for LED lighting and desktop PC applications. GR8772 offers quasi-resonant PFC with valley switching for high efficiency PC adapters.
• LED Drivers (GL3001/GR8210 Series) High brightness LED drivers with cascode topology. GL3001 is an isolated PSR LED driver supporting ≤60W with >0.9 PFC for LED lighting. GR8210 operates in non-isolated topology supporting 5V-450V input for LED T-bar lighting and cabin lighting applications.
• Half-Bridge Drivers (GR8853A) Self-oscillating half-bridge driver IC for bootstrap operation up to 600V, featuring programmable oscillator and matched propagation delay for 50% duty cycle applications. Designed for HID lamp ballasts, PDP sustain drivers, motor drivers, and SMPS.
• Low BOM Cost Buck/Flyback Controllers (GR8803/GR8903 Series) Highly integrated current-mode power switches with green mode control for low BOM cost applications. GR8903 integrates 650V power MOSFET supporting ≤6W in SOP-7/DIP-7 packages with 45kHz switching and <0.15W standby power.
• Wide VCC QR-Mode Controllers (GR1238/GR1282 Series) QR-mode PWM controllers with wide VCC operation up to 85V/100V for PD+QC chargers. GR1238 supports up to 160kHz switching with multi-mode operation; GR1282 offers OCP, SCP, and programmable OTP/OVP protections.
• Peak Load Controllers (GR1236 Series) Hybrid-mode peak load PWM controllers with frequency boosting during peak load conditions for up to 20 seconds. Supports CCM+QR operation with OCP, SCP, OVP, and external OTP protections for printer and networking SMPS applications.
• Fan Speed Controllers (GR8030/GR8031 Series) Linear fan speed controllers programmable via NTC thermistor for temperature-based speed curve adjustment. GR8030 features SOT-23-6 package with adjustable minimum speed and OTP; GR8031 offers SOP-8 with enable pin and programmable sleep mode for server and industrial power supplies.
• LV MOSFETs (GM03R/GM04R/GM06R Series) Low-voltage N-channel enhancement mode MOSFETs in 30V-60V ratings. GM03R (30V) for 45A-80A applications, GM04R (40V) at 200A for BMS applications, GM06R (60V) for 140A-250A applications.
• GaN Power One-Stop Solution (GR1230H + GN1265CLG) Complete GaN power solution combining GR1230H PWM controller with GN1265CLG GaN switching MOSFET. Designed for USB PD power strips and fast chargers, enabling lower standby power, higher conversion efficiency, and reduced heat dissipation.

Quantifiable outcome

• AC/DC product cumulative shipments exceeded 1 billion units
• +5 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered core, minor and major.

• NESO (National Energy System Operator, UK)coreOthers · 12 February 2026NESO awarded Grenergy capacity contracts for four energy storage projects totaling 760 MWh in the UK, providing 15-year long-term revenue visibility for the company's UK BESS portfolio.
• EcopetrolminorChannel Partner/ Reseller/ Distributor · 1 December 2025Grenergy agreed to sell an 88MW solar PV portfolio in Colombia to Ecopetrol, with delivery scheduled throughout 2026.
• 宜家 (IKEA)Channel Partner/ Reseller/ Distributor · 5 November 2025IKEA adopted Nanjing GreenChip's GaN-based power solution (GR1230H + GN1265CLG) for use in their power strip products, demonstrating successful integration of GreenChip's semiconductor solutions into consumer retail products.
• DNVmajorTechnology or Integration · 17 October 2025DNV played a key advisory role in securing $270 million in financing for the Elena hybrid solar and storage project in Chile. DNV's technical advisory helped de-risk the project and secure investor confidence.

Scale indicators15 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Navitas Semiconductor: US-listed (NVTS) pure-play GaN power IC company specializing in GaNFast integrated GaN power ICs for fast chargers, adapters, and consumer electronics. Closest direct competitor in co-packaged GaN power ICs for the same smartphone and charger OEM customers.
• Power Integrations: US-listed (POWI) power management IC company with a deep portfolio of AC/DC controllers, GaN-based InnoSwitch products, and charger solutions targeting the same smartphone/laptop/LED customers. Direct competitor in high-voltage AC/DC controllers.
• Innoscience (Suzhou) Technology: China's largest pure-play GaN power semiconductor company, providing both GaN discretes and integrated GaN ICs for chargers, data centers, and EV applications. Direct Chinese competitor in GaN power devices for the same end-applications.
• EPC (Efficient Power Conversion): US-based GaN power semiconductor specialist focused on GaN FETs and integrated GaN ICs for high-frequency power conversion. Direct competitor in discrete GaN HEMT devices for adapters and chargers.
• Monolithic Power Systems (MPS): US-listed (MPWR) analog/mixed-signal IC company with a broad portfolio of power management ICs, including AC/DC controllers, PFC controllers, and synchronous rectifiers targeting chargers, adapters, and industrial power. Direct competitor in core AC/DC controller products.
• Silergy Corp: China-listed analog IC design company specializing in power management ICs including AC/DC controllers, DC/DC converters, and LED drivers for consumer and industrial applications. Direct Chinese competitor in the same power management IC categories.
• Southchip Semiconductor: China-based fabless IC design company focused on power management and GaN integrated products, particularly for USB-PD fast chargers. Direct Chinese competitor in GaN AC/DC integrated solutions.

Broad incumbents

• Onsemi (onsemi): US-listed (ON) broad-line power semiconductor and analog IC company with SiC, GaN, and silicon MOSFET/IGBT product lines, plus AC/DC controllers. Larger incumbent with overlapping capability but much broader product portfolio.
• Texas Instruments: US-listed (TXN) broad-line analog and power management IC company with a large portfolio of AC/DC controllers, PFC controllers, and GaN products. Larger incumbent competitor across multiple product lines.
• Dialog Semiconductor (now part of Renesas): European-origin (now Renesas-owned) mixed-signal IC company with a strong power management IC portfolio in AC/DC controllers and GaN products for chargers. Adjacent incumbent with overlapping capability.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds3 records

Investors7 records

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 Grenergy