Tao Zhang

Job description

• LV/MV BUBO technical support,device final release.
• Definition for next gen LV BUBO
• Reference design for BUBO

take away

• Q1 2023 outstanding technical contribution award
• small-signal modeling
• Simplis modeling

Jos description

• As the head of the department's power supply solution, continuously optimizing power tree and power block for IP camera.
• Evaluation for new DC-DC controller and converter,such as device from TI, MPS and Silergy. Generate brick power or user guider of new DC-DC for production team
• Failure analysis and root cause found. EMC optimization.

Take away

• learn about buck, boost, non-inverting buck-boost topology
• Deep understanding about the structure of IP camera
• Good work relationship with power device vendor

Job description

• Work with design and test team to release device for LED lighting. including definition, road test and key customer support.
• simulation and calculation for new IP.
• FA support for CRU.

Take away

• Learn about internal block of power management device.
• Skills about simulation with LTspice and calculation with Mathcad.
• learn deeper about triac dimmer.

Job description

• Work together with structure, heat and optical engineer to develop LED driver.
• Conducted root cause analysis on system failures.
• EMC issues analysis and improvement.

Take always from this job

• Learn about the characteristics of LEDs, such as color rendering coefficient, photoelectric conversion efficiency, etc
• Learn about the characteristics of SCR dimmers, such as inrush current and holding current characteristics
• learn about basic knowledge about Flyback and inverting buck-boost topology，basic knowledge of magnetics and caps.