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  • Application Example For MSK4310 Speed Controller
    The MSK4310 3 Phase DC Brushless Speed Controller hybrid is a complete closed loop velocity mode controller for driving a brushless motor. It requires no external velocity feedback devices for operation. Feedback is derived from the hall signal outputs from the motor. In velocity control, velocity
  • Implementing a Simple Serial Mouse Controller
    interfaces to the host via a dedicated interface card or an RS-232 port. Their mechanisms are very similar. The major electrical components of a mouse are: ? Microcontroller ? Photo-transistors ? Infrared emitting diode ? Voltage conversion circuit The intelligence of the mouse is provided
  • DC/DC Converter Controller Using a PICmicro Microcontroller
    In many applications, a DC/DC Converter is used to produce a regulated voltage or current, derived from an unregulated power supply, or from a battery. Examples of these applications include battery chargers, electronic air purifiers, emergency exit signs, and distributed power systems. In some
  • Soft-Start Controller For Switching Power Supplies
    This technical brief describes a microcontroller based Soft-Start Controller circuit for a switching power supply. Start-up is a stressful time for the power driver section of a switching power supply. Because the output voltage is initially zero, the feedback error initially jumps to its maximum
  • Implementing a PID Controller Using a PIC18 MCU
    Continuous processes have been controlled by feedback loops since the late 1700's. In 1788, James Watt used a flyball governor on his steam engine to regulate its speed. The Taylor Instrument Company implemented the first fully functional Proportional, Integral and Derivative (PID) controller
  • Multiple PWM Output Soft-Start Controller For Switching Power Supplies
    This Technical Brief describes a microcontroller-based soft-start controller for power supplies in systems with multiple voltages. Sometimes applications have devices with multiple voltage requirements (e.g., core voltages, I/O voltages, etc). The sequence in which these voltages rise is important
  • How to Select a PWM Controller
    In high voltage applications where a lower output voltage is required, designers have traditionally relied on modules that increase system cost, or two stage DC/DC solutions that increase solution footprint and complexity. This white paper looks at the trends influencing narrow on-time point
  • Intelligent Vacuum Controller
    Induction motors, the workhorses of industry, rotate at a fixed speed that is determined by the frequency of the supply voltage. Alternating current applied to the stator windings produces a magnetic field that rotates at synchronous speed. This speed may be calculated by dividing line frequency

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