V.K. Bityukov - Dr. Sc. (Eng.), Professor, Head of Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: bitukov@mirea.ru A.A. Ivanov - Post-graduate Student, Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: mosalder@gmail.com A.V. Mironov - Post-graduate Student, Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: mironovasp@yandex.ru N.G. Mikhnevich - Head of Laboratory, Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: nmikhnevich@mail.ru V.S. Perfilev - Undergraduate, Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: navigationschool@yandex.ru V.A. Petrov - Dr. Sc. (Eng.), Professor, Department of Theoretical Radio Engineering and Radiophysics, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA) E-mail: vapetrov@mirea.ru

An automated experimental facility for the study of the characteristics of integrated circuits for various kinds of mobile charge pump regulated secondary power supplies, receiving energy from the batteries, is presented. The test bench has a modular structure, which includes, in addition to the test charge pump module, also power supply, control, load, display modules and USB module for connection to a computer. The test bench allows by changing only one small measuring PC board to carry out research of various types of charge pump chips. The control module is based on PIC18F2550 microcontroller. The structure of the automated measuring system includes a multimeter and oscilloscope. The main investigated parameters in buck and boost regulating charge pump regimes are the regulated output voltage, input voltage, forms of the output voltage and charge-pumped capacitor ripples and load-transient response. All mentioned parameters are investigated as functions of load current. One of the major goals of research is the study of algorithms of the charge pump circuits. The virtual front panel and special program for remote control of the test bench are developed. It is together with a virtual panel of the oscilloscope and available software of multimeter allows managing the equipment operating modes and measurement remotely over the Internet. With the help of the created experimental facility new experimental data for the MAX1759 chip on all of the above characteristics are obtained and algorithm of this chip operation in the step-down mode is first studied. Conducted studies have confirmed the correctness of the chosen methodology and design solutions.

 

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4. Bitjukov V.K., Ivanov A.A., Mikhnevich N.G., Perfilev V.S., Petrov V.A. Virtualnaja licevaja panel realnogo stenda dlja distancionnogo upravlenija issledovaniem kharakteristik stabilizirovannykh istochnikov vtorichnogo ehlektropitanija // EHlektromagnitnye volny i ehlektronnye sistemy. 2014. T. 19. № 1. S. 52−57.