Source: General Assembly Author: General Assembly
On February 20, 2025, the leading international distributor of semiconductor components in the Asia Pacific market, DDA Holdings, announced the launch of its 48V/120A BMS solution based on Innoscience's InnoGaN INV100FQ030C VGaN devices.
In BMS applications, when the system needs to be charged or discharged normally, the VGaN can be fully turned on by applying a 5V drive voltage between Gate-D1 or Gate-D2 to achieve system charging or discharging. When the system needs charge protection or discharge protection, the Gate signal of VGaN can be actively connected to D1 or D2 to realize the system's charge shutdown or discharge shutdown. At the same time, using the "body diode" feature of VGaN, the circuit can realize the function of discharging after charge protection or discharging after discharge protection. Thus, a VGaN can replace a pair of CHG, DSG MOS design.
Core technical advantages:
Small size: 65mm×165mm, PCB board area and PCB cost is 40% lower than Si MOS;
Compatibility: The current mainstream low-side AFE is used for charge and discharge control, and the specially designed logic conversion circuit is compatible with the CHG/DSG control logic of the current Si scheme;
Good heat dissipation performance: considering the packaging characteristics of VGaN, optimize the PCB layout to achieve the best heat dissipation performance;
Dual guide pass: Innosec VGaN (INV100FQ030C) replaces multiple Si MOS with one, reducing costs.
Project specification:
Battery type: ternary lithium or lithium iron phosphate;
Battery string: 16 strings;
Conventional discharge current: 100A (typical) /120A (heatsink);
Short circuit protection current: 200A.
About Lianda Holdings:
The company is a leading international distributor of semiconductor components in the Asia Pacific market. Headquartered in Taipei, it owns Shiping, Pinca, Trantrion and Yousun. It employs about 5,000 people, represents more than 250 product suppliers and has 73 distribution locations worldwide, with a turnover of USD 21.55 billion in 2023. Dalianda has created an industrial holding platform, focusing on international operation scale and local flexibility, long-term deep cultivation of the Asia-Pacific market, with the vision of "industry first choice. Channel benchmark", fully implementing the core values of "team, integrity, professionalism, efficiency", and winning the "Global Distributor Excellence Award" for 24 consecutive years. In the face of new manufacturing trends, DDA is committed to transforming into a Data-Driven enterprise, establishing an online digital platform - "DDA network", and advocating the intelligent Logistics as a Service (LaaS) model to help customers jointly face the challenges of intelligent manufacturing. Starting from good intentions and building trust with science and technology, we expect to build a competitive and cooperative ecosystem with the industry "Labang Jie", and actively promote digital transformation with the "focus on customers, technology empowerment, collaborative ecology, and create the era".
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