GaN SiP targets rapid consumer device charging

Wise-integration and Leadtrend Technology Corporation has released a GaN SiP supporting consumer electronics applications.

Their 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 GaN transistor die in a SiP. The SiP has passed 1,000 hours of operating life tests.

“This SiP enables original design manufacturers to develop a less expensive system with fewer components, a smaller printed circuit board and faster system-development time,” said Thierry Bouchet, CEO of Wise-integration. “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 minimises the component count and circuit space and lowers overall material cost for the power applications. It features HV start, green-mode power-saving operation, soft-start functions to minimise power loss and improves system performance.

The LD966LGQALVE Evaluation Board provides a peak efficiency of 93.02% and a power density of 22.7W/in3.

The company has optimised GaN capabilities to make power-electronics technology greener and more efficient with high-current, high-voltage breakdown and high switching frequency. Its WiseGan power-IC combines several power electronics functions into a single GaN chip for improved speed, efficiency, reliability and cost-effectiveness.