Title:
駆動制御信号生成回路
Document Type and Number:
Japanese Patent JP5729959
Kind Code:
B2
Abstract:
A drive control signal generating circuit that generates a drive control signal for driving a motor includes an output control circuit that includes a flip-flop in which a state changes by a rotational state signal of the motor crossing a reference value and generates a motor drive control signal according to the state of the flip-flop, a clock generating circuit that generates a clock that defines a time of reading data in the flip-flop of the output control circuit; and a PWM conversion circuit that PWM-converts the drive control signal using the clock as a PWM signal. The clock has a frequency in which the output control circuit operates and has a duty ratio of the PWM signal.
More Like This:
| JP2000050669 | DRIVER FOR DC BRUSHLESS MOTOR |
| JPH09247985 | BRUSHLESS MOTOR CONTROL AND DEVICE THEREOF |
Inventors:
Takashi Ogawa
Takahisa Nakai
Murata Tsutomu
Takahisa Nakai
Murata Tsutomu
Application Number:
JP2010222251A
Publication Date:
June 03, 2015
Filing Date:
September 30, 2010
Export Citation:
Assignee:
Semiconductor Components Industries Limited Liability Company
International Classes:
H02P6/06; H02P6/08
Domestic Patent References:
| JP2002119080A | ||||
| JP2005160155A |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office