Design of a sensorless commutation IC for BLDC motors

Author

Cheng, Kuang-Yao ; Lin, Ying-Tsan ; Tso, Chung-Hsien ; Tzou, Ying-Yu

Author_Institution

Dept. of Electr. & Control Eng., Nat. Chiao Tung Univ., Taiwan, China

Volume

1

fYear

2002

fDate

2002

Firstpage

295

Abstract

This paper presents the design methodology to implement a sensorless commutation IC for brushless DC (BLDC) motors by using mixed-mode IC design technology. The developed IC can generate optimal commutation signals for BLDC motors without Hall-effect sensors and can be easily interfaced with a microcontroller or a digital signal processor (DSP) to complete the closed-loop control system. Furthermore, this IC solution requires less analog compensation circuits than other commercial motor control ICs, therefore, high maintainability and accurate control can be achieved. The proposed sensorless commutation IC is integrated in a standard digital single-poly, and four metal 0.35-μm CMOS process.

Keywords

CMOS integrated circuits; DC motor drives; brushless DC motors; closed loop systems; commutation; integrated circuit design; machine control; mixed analogue-digital integrated circuits; servomotors; BLDC motors; brushless DC motors; closed-loop control system; digital signal processor; digital single-poly CMOS process; metal CMOS process; microcontroller; mixed-mode IC design technology; optimal commutation signals; sensorless commutation IC; servo system; Brushless DC motors; Brushless motors; Commutation; DC motors; Design methodology; Digital integrated circuits; Hall effect devices; Sensorless control; Signal generators; Signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 2002. pesc 02. 2002 IEEE 33rd Annual

Print_ISBN

0-7803-7262-X

Type

conf

DOI

10.1109/PSEC.2002.1023885

Filename

1023885