Digital Power System Engineer (Power Tech)
Ubiquiti, Taipei
About the job
About Ubiquiti
At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.
Responsibilities
- Design and implement digital control loops (voltage, current, PLL, droop, etc.) for the rectifier, inverter, and DC/DC stages of Online UPS systems.
- Develop and tune control algorithms such as PI/PID, state feedback, repetitive control, and feedforward compensation for power conversion topologies.
- Implement high-frequency PWM/SVPWM generation, ADC sampling, and interrupt-driven real-time control on DSP/MCU platforms.
- Develop firmware for full UPS operating modes — online (double-conversion), eco, battery, and bypass — including seamless mode transitions.