Robert Bell

Robert Bell

Robert Bell

Robert (Bob) Bell is Independent engineering consultant specializing in switching power converter design. Experience in both military and commercial; dc-dc, ac-dc, LED, solar, motor drive, battery charging.

Previously, Robert Bell was the applications engineering manager for the National Semiconductor design center in Phoenix, Ariz. Products designed at the Phoenix design center include integrated switching regulators, next-generation PWM power controllers, gate drivers, and hot-swap and load-share controllers.

Bob holds a Bachelor of Science degree in Electronic Engineering from Fairleigh Dickinson University. To date he has published 25 power design articles, 11 conference papers and 5 patents.

Areas of interest of the author: Supply Measurement Analogue Design Power

Co-authors: Jim Hill

Publications on RadioLocman by the author Robert Bell:

  1. Two-switch topology benefits forward and flyback power converters
    Designers tend to favor forward- and flyback- converter topologies for loads less than 200 W...
    Dec 4, 2024
  2. Circuit senses high-side current
    Jim Hill Robert Bell
    The accurate, high-side, current-sense circuit in Figure 1 does not use a dedicated, isolated...
    Aug 21, 2023
  3. Method sets voltage in multiple-output converters
    When you design a transformer for any power converter, you face several compromises. You must trade...
    Mar 8, 2023
  4. Dither a power converter's operating frequency to reduce peak emissions
    Designers of dc/dc switching power converters face the challenge of controlling EMI...
    Jun 25, 2019
  5. Regulator IC forms convenient overvoltage detector
    Figure 1 shows a simple, stand-alone overvoltage detector. The intent of the circuit is to monitor...
    Nov 7, 2018
  6. Constant-on-time buck-boost regulator converts a positive input to a negative output
    Buck regulators find wide application as step-down regulators for converting large positive input...
    Apr 5, 2017