发明名称 |
Integrated circuit for driving motor |
摘要 |
A motor driving integrated circuit includes a data receiving circuit, a control circuit, and a pulse generating circuit. The data signal receiving circuit receives data signals inputted via a data signal input terminal. The control circuit controls the motor driving integrated circuit based on a first data signal received through the data signal receiving circuit. The pulse generating circuit generates a pulse signal for PWM (Pulse Width Modulation)—controlling a motor coil based on a second data signal received through the data signal receiving circuit. The pulse generating circuit includes a rectangular signal generating circuit configured to generate a plurality of rectangular signals different in pulse width, and a synthesizing circuit configured to synthesize the plurality of rectangular signals outputted from the rectangular signal generating circuit to generate the pulse signal with a duty ratio corresponding to the second data signal.
|
申请公布号 |
US7755320(B2) |
申请公布日期 |
2010.07.13 |
申请号 |
US20080023948 |
申请日期 |
2008.01.31 |
申请人 |
SANYO ELECTRIC CO., LTD.;SANYO SEMICONDUCTOR CO., LTD. |
发明人 |
KAWAKAMI HIROAKI;SOMEYA TAKASHI;YOSHITOMI TETSUYA |
分类号 |
H02P27/08 |
主分类号 |
H02P27/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|