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DC motors are most commonly used in variable speed and torque applications. They include brushless and gear motors, as well as servomotors.
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Conduct Research Top

  • Low-Cost DC Motor Speed Control with CMOS ICs
    Two 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...
  • Application Note: Simple Method of Determining Torque Requirements of a DC Motor
    Technology Servo Tek Products Company Tolomatic, Inc. Zaber Technologies Inc. News. Calendar of Events. Feature Articles. Industry News. Newsletters. Notable Quotables. Press Releases. Wacky News of the World. Groschopp, Inc. 60512 PM8014-PS2120 - DC Parallel Shaft Gearmotors 12V Series. Application...
  • Intelligent Remote Positioner
    The excellent cost/performance ratio of the PIC16C5X makes it well suited as a low-cost proportional D.C. actuator controller. This application note depicts a design for a remote intelligent positioning system using a D.C. motor (up to 1/3 hp) run from 12V to 24V. The position accuracy is one...
  • Bicycling With A Boost
    for electric bikes outside of Japan, according to Alex Campbell, spokesman for Zapworld.com. In 1996 the company received the first of many patents for its electric motor system. The ZAP (which stands for zero air pollution) power system includes two permanent-magnet, brushed dc motors, a battery...
  • Software PID Control of an Inverted Pendulum Using the PIC16F684
    of three main parts: the base platform, the pendulum and the controller board. The base platform is a 3-point platform, 2 wheels (one of which is geared and attached to a DC motor) and an audio jack. When the DC motor is turned on, the base platform will rotate around in a circle with the center...
  • Torque motors do the trick
    to frame sizes for conventional brushless-dc servomotors. For each diameter, there are several axial lengths, so engineers have a range of sizes to satisfy torque requirements for given applications. A torque motor is part of this rotary table Torque motors have been around since at least 1970...
  • Linear Voltage Fan Speed Control Using Microchip's TC64X Family
    on or completely off. This efficient control methodology affords a very wide speed control range (typically 10% to 100% of full speed) because the fan motor is exposed to its full-rated voltage during the active portion of the PWM cycle. PWM control works with standard, two-wire Brushless DC (BDC) fans...
  • Taking the roar out of the crowd: Hybrid Motorcycles
    special aspects: Battery-pack voltage has been significantly reduced; the auxiliary battery supporting lights, horn, and other 12-V accessories can be switched into the main battery pack for higher power/speed; and the SolidSlot CMG (commutated motor/generator) coupled to the engine changes in speed...
  • Speed Error in PWM Fan Control Systems
    versus PWM duty cycle. Author: Microchip Technology Inc. error is a function of the mass and diameter of the fan. INTRODUCTION. hub, the torque characteristics of the fan motor and the. losses in the center bearings. Air temperature and. Brushless DC fan (BDC) speed can be varied using. humidity also...
  • Applications of the TC62X Solid-State Temperature Sensors
    . impedance state and force a logic low. The output goes. RESISTANCE (k. high if the high limit is exceeded. 50. -55. -35. -15. 5. 25. 45. 65. 85. 105. 125. TEMPERATURE (°C). DC Power. FIGURE 3: TC620 Sense Resistance. vs. Temperature. +12V. While the TC621 is similar to the TC620, it senses tem...

Engineering Web Search: 12v DC Motor Products Top

BLDC Motor Control Kit - Infineon Technologies
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See Infineon Technologies Corporation Information
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High Power DC Motor Bridges Scalable and flexible solutions with different functional options for all kind of motor drives from 2A DC up to 70A peak
See Infineon Technologies Corporation Information
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High performance power and mobile products Fairchild Semiconductor Wins EPC?s Top-10 DC-DC Product Award for Fifth Year in a Row
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