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COMS电机驱动

资料介绍
wo  low-cost  CMOS ICs  manage a 12 VDC, current-limited speed
control  circuit   for  DC  brush  motors.  The   circuit   design   (see
Figure  1)  uses PWM (pulse  width modulation) to  chop the  effective
input voltage to  the  motor.  Use  of  CMOS devices gives the  benefits
of   low   power,  minimal  heat   and   improved  longevity.   The   overall
design  is  simple, inexpensive  and  reliable,  and  is  useful  in  applica-tions  such  as  embedded   DC  motor  control  where   efficiency,
economy and  performance  are essential.
AN807
Low-CostDCMotorSpeedControlwithCMOSICs
OUTPUTS
Author: Scott Sangster,
Microchip Technology, Inc. Four outputs drive a MOSFET H-bridge, to provide rapid motor-
speedchangesandmotor-directionreversal.Thelowerrailpower
MOSFETs are N-channel devices, the upper MOSFETs are P-
INTRODUCTION ……
标签:电机驱动TC4469
COMS电机驱动
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