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Switching Power Supply Design with the PIC16F785
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Microcontrollers are rapidly gaining ground as required components in the design of Switching Mode Power Supply designs (SMPS). Their flexibility and programmable nature gives manufacturers the ability to customize designs quickly in response to customer demands, and implement the wide variety of complex and custom features required by today's electronic systems. However, even with all of the microcontroller's strengths, adding a microcontroller to a SMPS design still adds one or more devices to an already crowded PCB. That is, it used to add additional devices; the new PIC16F785 actually reduces the number of devices in a design by including not only the necessary interface peripherals for a SMPS design, but also two channels of analog PWM, two voltage comparators, and two op amps. Products & Services
Switching power supplies are DC sources that use a switching element (normally a power transistor) to generate the desired voltage. Switching power supplies are also called switch-mode products or switching mode power supplies (SMPS).
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Learn more about Switching Power Supplies
Operational amplifiers (op amps, op-amps) are general-purpose, closed-loop devices that are used to implement linear functions.
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Learn more about Operational Amplifiers
Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals.
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Learn more about Current Sensors
Analog comparators are amplifiers that compare the magnitude of voltages at two inputs. An analog comparator is an operational amplifier with negative feedback removed, and with no feedback and very high gain, the output voltage goes to one extreme to the other.
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Learn more about Analog Comparators
Specialty microprocessors and microcontrollers are specialty or proprietary products and accessories related to microprocessors and microcontrollers.
Learn more about Specialty Microprocessors and Microcontrollers
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Topics of Interest
Microcontrollers are rapidly gaining ground as required components in the design of Switching Mode Power Supply designs (SMPS). Their flexibility and programmable nature gives manufacturers the...
(Read More)
The rapidly evolving consumer electronics market is driving the transition from less expensive, less efficient linear power supplies to the switch mode power supply (SMPS). This shift is accompanied...
(Read More)
The industry drive toward smaller, lighter and more efficient electronics has led to the development of the Switch Mode Power Supply (SMPS). There are several topologies commonly used to implement...
(Read More)
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...
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The low on-resistance and high current carrying capability of power MOSFETs make them preferred switching devices in SMPS power supply design. However, designing with these devices is not as...
(Read More)
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