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  • 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
  • Step-Down DC/DC Converter Input Ripple and Noise
    When a step-down converter shares a common input voltage with other devices, the input noise generated by. the step-down converter may be sufficient to cause interference with the other devices. Simple filter methods. can be used to reduce the input noise, and simple models can be developed
  • 72V Hybrid DC/DC Reduces Intermediate Bus Converter Size by Up to 50%
    The combination of a switched capacitor circuit to halve the input voltage followed by a synchronous step-down converter (hybrid converter) provides up to a 50% reduction in DC/DC converter solution size compared to traditional buck converter alternatives. This improvement is enabled by a 3X higher
  • Determining Minimum Acquisition Times for SAR ADCs When a DC Voltage is Applied to the Input
    The input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) in combination with the driving circuit forms a transfer function that can be used to determine minimum acquisition times for different types of applied input signals. This paper, which builds
  • Simple Synchronous Buck Converter Design - MCP1612
    battery life and controls the temperature rise of the equipment. Limiting the circuitry footprint helps minimize the size of the Printed Circuit Board (PCB) and, ultimately, the total cost of the device. The MCP1612 is an ideal choice for such a design. Since both the switching and synchronous MOSFETs
  • Using Single Supply Operational Amplifiers in Embedded Systems
    circuits can also be implemented, such as the instrumentation amplifier, a current to voltage converter, and filters, to name only a few. Regardless of the level of complexity of the operational amplifier circuit, knowing the fundamental operation and behavior of this building block will save
  • Using Single Supply Operational Amplifiers in Embedded Systems
    complex circuits can also be implemented,. such as the instrumentation amplifier, a current-to-voltage. converter, and filters, to name only a few. Regardless. of the level of complexity of the op amp circuit,. knowing the fundamental operation and behavior of an. op amp will save a considerable amount
  • Operational Amplifier Topologies and DC Specifications
    . The current or voltage excitation to the sensor, quite often is generated by an amplifier circuit. Following the front end sensor circuitry, an op amp is used to implement a low pass, band pass or high pass filter. In this portion of the circuit, gain stages are also implemented using programmable

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