News: Microelectronics
22 May 2024
Wise-integration and Leadtrend launch GaN system-in-package, targeting rapid consumer device charging
Wise-integration of Hyeres, France — which was spun off from CEA-Leti in 2020 and designs and develops gallium nitride (GaN) integrated circuits and digital-control technologies for power supplies — and Leadtrend Technology Corp of Zhubei City, Hsinchu County, Taiwan (which designs analog and analog-digital mixed-mode IC designs) have released a GaN system-in-package (SiP) supporting consumer electronics applications.
The collaboration’s targeted application is a 65W USB PD adapter for high-speed charging of smartphones, laptops and other devices. The LD966LGQALVE High Voltage Multi-Mode PWM Controller of Flyback with GaN integrated includes Leadtrend’s silicon die flyback controller and Wise-integration’s 650V e-mode gallium nitride (GaN) transistor die in a SiP. The SiP has passed 1000 hours of operating life tests (OLT).
“This SiP enables original design manufacturers (ODM) to develop a less expensive system with fewer components, a smaller printed circuit board and faster system development time,” says Wise-integration’s CEO Thierry Bouchet. “This collaboration also underscores Leadtrend’s confidence in the breadth and depth of our GaN expertise and the quality of our products.”
The LD966L is green-mode PWMIC built-in with brown-in/out functions of a QFN8X8 package. It minimizes the component count and circuit space, and reduces overall material cost for power applications. It features HV start, green-mode power-saving operation, soft-start functions to minimize power loss and enhances system performance.
The LD966LGQALVE evaluation board features an overall peak efficiency of 93.02% and a power density of 22.7W/in3.
Wise-integration has optimized GaN capabilities to make power electronics technology both greener and more efficient with high-current, high-voltage breakdown and high switching frequency. Its WiseGan power-integrated circuit combines several power electronics functions into a single GaN chip for improved speed, efficiency, reliability and cost-effectiveness.
Wise-integration opened an office in Taiwan in 2022, and uses 650V GaN/Si technology from Taiwan Semiconductor Manufacturing Co (TSMC) in its 650V e-mode GaN transistor die with ESD protection.
