Produced by Zhien Intelligent Chip
In addition to electrification, the entire electronic and electrical architecture of new energy vehicles has undergone many changes, with an increasing number of functions requiring implementation through microcontrollers (MCU). Core modules of electric vehicles, such as traction inverters, battery management systems (BMS), on-board chargers (OBC), and digital power management in the new energy sector, as well as various safety functions, all require MCUs for implementation.
Texas Instruments (TI)‘s C2000 series is a typical representative of high-performance MCUs, having entered the market early—launched in 1995, it has rich peripheral support and a wide range of application fields, making it one of TI’s most representative product lines. This product has been indispensable in the industrial upgrade of domestic new energy.
Faced with the rapid growth of the domestic market, the trend of localization, and the demand for self-control, domestic microcontroller (MCU) manufacturers have rapidly emerged, gradually challenging the dominant position of the C2000.
Recently, I visited Shenzhen Gejian Semiconductor Co., Ltd. (referred to as “Gejian Semiconductor”), a newly established company in 2022 focused on high-end real-time control DSP chip design, with its flagship product being the GS32 series digital signal processor DSP (hereinafter referred to as “GS32-DSP”), which adopts the RISC-V based GS32-DSP100 core, deeply customized and optimized for real-time control, possessing independent intellectual property rights; it is not only Pin-to-Pin compatible with TI C2000 hardware but also significantly improves computing power, resources, and cost-effectiveness, fully capable of replacing the C2000.
Part 1
Directly Addressing the Core Advantages of C2000
and the Progress of Localization
The C2000, as a classic product, derives its traditional competitiveness from four pillars: a high-performance signal processing core, a real-time control accelerator, floating-point operation precision, and a rich peripheral ecosystem.
In the face of the market long dominated by C2000, domestic manufacturers are seeking breakthroughs. The GS32-DSP series launched by Gejian Semiconductor, leveraging technological innovation and product advantages, effectively challenges and surpasses the C2000.
The GS32-DSP series not only offers a diverse product line to meet different application needs but also adopts the highly flexible Gejian GS32-DSP100 core architecture, based on the RISC-V instruction set, with a custom DSP acceleration unit, significantly enhancing performance for specific applications in motor power control. At the same time, relying on local advantages, the GS32 series excels in market adaptability.
Although the C2000 occupies a wide range of application scenarios, this also indicates the opportunities for Chinese semiconductor companies—on the breakthrough of independent research and development, local technology is accelerating its breakthrough with innovation as the engine, providing broader development space through technological iteration.
Part 2
GS32 Series
Surpassing C2000 with Innovative Advantages
Since its establishment, Gejian Semiconductor has focused on high-end real-time control DSP chips as its core development direction, positioning itself to provide high-performance, low-cost solutions for digital energy, new energy vehicles, industrial automation, digital power, high-end home appliances, and robotics management.
Its flagship GS32-DSP series adopts the Gejian GS-DSP100 and GS-DSP300 cores, deeply customized and optimized for the real-time control field. Compared to classic products, performance is superior, and through resource expansion, a unique competitive advantage has been formed.
The Pin-to-Pin compatible design of the GS32-DSP series is a major highlight, allowing customers to migrate from C2000 to GS32-DSP without modifying existing hardware designs, greatly reducing the replacement threshold and development costs.
● The GS32-DSP series product line is rich and can cover multiple application scenarios:
◎ Cost-Effective (GS32F002x, GS32F0013x, GS32F0015x, GS32F03x): This category is optimized for cost-sensitive applications.
While maintaining basic functionality, it enhances computing power and peripheral performance, such as improved PWM modules and ADC sampling accuracy, making it more cost-effective in scenarios like small motor control and basic digital power management. For customers looking to reduce costs in the low-end market, this series of chips offers an attractive alternative.
◎ General Purpose (GS32F004X, GS32F003X): This series has eFlash: 768~1024KB, performance ranges from 240~400MIPS.
General-purpose products support various communication interfaces, including CAN, SPI, I2C, etc., and significantly increase on-chip resources and computing power. These improvements enable them to meet the high demands for multifunctionality and stability in applications such as industrial automation and robotics control. Compared to C2000, GS32F004X and GS32F003X provide stronger computational performance and richer resource configurations while maintaining compatibility, facilitating customer upgrades of existing systems.
◎High-Performance Motor Control Specific (GS32FMT5800, GS32FMT5000): The GS32FMT5800 is designed for high-performance motor control, providing up to 1MB of on-chip Flash space, a maximum frequency of 400MHz, supporting high sampling rates and flexible enhanced capture/logic blocks (eCLB).
This model is optimized for complex applications such as traction inverters for new energy vehicles and servo motor control, capable of efficiently processing high-speed control algorithms and ensuring real-time response. Its high-performance characteristics make it significantly superior to similar C2000 products, becoming a strong alternative in the field of motor control.
◎ High-Performance (GS32F075, GS32F37XS, GS32FP65): This series has eFlash ranging from 1024~2048KB, performance includes 240~1000MIPS, targeting high-end demands across multiple fields, achieving comprehensive improvements in resource allocation and computing power (eFlash resources increased by 80-100%, computing power increased by 50%).
These models are suitable for demanding scenarios such as digital power management, photovoltaic inverters, and charging piles. By increasing core computing speed and peripheral flexibility, GS32F075 and GS32F37XS can provide stronger support in complex systems.
Based on the self-developed Gejian GS-DSP300 core, Gejian Semiconductor’s products can flexibly expand the instruction set and processing units, further enhancing product performance in specific applications. Compared to the traditional architecture of C2000, the GS32 series has a technological flexibility and market adaptability advantage, laying the foundation for its rapid penetration in the domestic market.
Part 3
Applications of Digital Power in New Energy Vehicles
and Domestic Replacement Solutions
Although the C2000 is currently widely used in new energy digital power applications, it also faces some issues as the market continues to expand.
For example, although the ecosystem of C2000 is vast, its generality makes it difficult to adapt quickly and accurately to the Chinese market. Moreover, there may be performance deficiencies in certain high-performance applications, which still require further optimization.
Additionally, recent shortages and geopolitical issues have led to supply chain instability, increasing supply chain risks.
The GS32-DSP series from Gejian Semiconductor is not merely a direct competitor to TI C2000, but is developed based on market demand, customized to achieve higher cost-effectiveness through technological innovation, ultimately reflecting the strategic value under the trend of localization.
Under the national strong advocacy for a RISC-V purely independent and controllable processor ecosystem, the GS32-DSP series adopts the self-developed GS-DSP100 and GS-DSP300 cores, this architecture not only reduces R&D costs but also endows Gejian Semiconductor with a high degree of customization capability and complete independent intellectual property rights.
Compared to the fixed architecture of C2000, the GS32-DSP100 core allows flexible expansion of the instruction set and hardware acceleration units. For example, the GS32FMT5800 optimizes the execution efficiency of motor control algorithms through customized design, shortening response times. This technological flexibility allows the GS32-DSP series to excel in applications such as motor control, charging piles, and photovoltaic inverters, surpassing the traditional performance boundaries of C2000.
In the application fields of digital power management for new energy vehicles, it includes everything from independent inverters to complete powertrain integration, covering traction inverters, on-board chargers (OBC), high-voltage DC/DC converters, battery management systems (BMS), and on-board air conditioning (HVAC), where the GS32-DSP series demonstrates technological advantages and product competitiveness that surpass C2000.
The GS32-DSP series will be more targeted to the needs of local customers. Gejian Semiconductor will quickly adjust product designs based on customer feedback, for example, in the motor control and battery management systems of new energy vehicles, the GS32FMT5800 can provide high sampling rates and flexible peripheral configurations to meet real-time control needs in complex scenarios.
The GS32-DSP series significantly reduces overall system costs by enhancing computing power and resource configurations while maintaining hardware compatibility with C2000. For instance, the cost-effective GS32F0025 offers performance that surpasses TMS320F280025 at a lower price, enabling customers to achieve higher profit margins in the low-end market.
In summary, Gejian Semiconductor possesses the advantages of supply chain flexibility and localized services, which can reduce uncertainties and cost fluctuations caused by international procurement, further enhancing its cost-effectiveness competitiveness.
Conclusion
In the context of global semiconductor supply chain fluctuations and geopolitical influences, the demand for independent and controllable technology among Chinese enterprises is becoming increasingly urgent. The GS32-DSP series, as a high-end MCU (DSP) based on RISC-V with independent intellectual property rights, not only reduces customer dependence on foreign technology but also enhances the security of the industrial chain. Especially in national strategic industries such as new energy vehicles and photovoltaics, the rise of domestic MCU (DSP) provides Chinese enterprises with greater market initiative and development space.
Gejian Semiconductor is developing in sync with the rapid growth of the domestic new energy market, continuously optimizing product functions and performance through deep cooperation with customers. This “co-growth” model provides customers with more competitive solutions. For example, in the fields of charging piles and digital power, the high-performance products of the GS32-DSP series help customers achieve more efficient system designs, thereby helping their products gain a leading position in the market.
With the rapid growth of the Chinese new energy market and the acceleration of localization trends, the demand for high-performance controllers is rising at an unprecedented rate. As a representative of local suppliers, Gejian Semiconductor provides customers with more competitive choices while promoting the rapid development of China’s high-end MCU industry.
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About Gejian Semiconductor
Shenzhen Gejian Semiconductor Co., Ltd. (referred to as “Gejian Semiconductor”) is a company focused on high-end real-time control chip design, dedicated to providing chip solutions.
The GS32-DSP is a series of real-time control microprocessor products independently developed by Gejian Semiconductor, with the core GS-DSP processor deeply customized based on the RISC-V core technology, possessing independent intellectual property rights, significantly enhancing DSP processing performance while retaining flexibility in handling complex power/motor control algorithms. It meets the core application needs in digital power, digital energy, industrial automation, smart vehicles, embodied robotics, and high-end home appliances.
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