Phase-Shifted Full-Bridge Controller with Synchronous Rectification using UCC28950

Phase-Shifted Full-Bridge Controller with Synchronous Rectification using UCC28950

This Phase-shifted Full-Bridge controller with synchronous rectification carrier board contains all of the features necessary to implement a phase-shifted full-bridge with a synchronous rectification topology power converter. All inputs and output pins are accessible using a header...

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Isolator for SPI Interface with Inbuilt DC-DC Converter

Isolator for SPI Interface with Inbuilt DC-DC Converter

This simple, compact solution is ideal for isolated SPI data requiring communication across different ground potentials often found in Industrial PLCs (programmable logic controllers) and Instrumentation and data acquisition systems. Serial Peripheral Interface (SPI) is a protocol...

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Isolated RS485/RS422 Transceiver with Integrated DC-DC Converter

Isolated RS485/RS422 Transceiver with Integrated DC-DC Converter

The project presented here is a galvanically isolated differential line transceiver with a built-in isolated DC-DC converter for TIA/EIA RS-485 and RS-422 applications. Both signal and power paths are isolated per UL1577 and are qualified for reinforced isolation per VDE, CSA, and...

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Low-Cost Boost Converter 3.3V Input – 5V Output at 250mA

Low-Cost Boost Converter 3.3V Input – 5V Output at 250mA

This is a low-cost boost converter that converts a 3.3V input to 5V at 250mA load current. The LM2578A chip is used to build this project. The LM2578A is a switching regulator which can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost and inverting...

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Step Up DC-DC Converter 12V Output – 5V Input

Step Up DC-DC Converter 12V Output – 5V Input

This high-performance, fixed frequency, current-mode PWM step-up DC/DC converter efficiently produces 12V from input voltages between 3.6V to 5.5V. The project is built using the PAM2423 chip, which includes an integrated power MOSFET that supports a peak current of up to 5.5A.  The...

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3.3V-5A Output DC-DC Converter with 10 to 24V Input

3.3V-5A Output DC-DC Converter with 10 to 24V Input

The project published here is a synchronous step-down DC/DC converter based on the RT7258 chip. The chip has integrated high-side internal power MOSFET and gate driver for a low-side external power MOSFET. The board delivers 3.3V DC - 5A output current from 10V to 24V input supply....

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5V – 4A Buck Converter using NR110E

5V – 4A Buck Converter using NR110E

This powerful buck converter can efficiently produce 5 V@4A with an input voltage between 7V to 31V. The project is built using the NR110E chip from Sanken Semiconductor. The IC integrates the power MOSFET. With current mode control, ultra-low ESR capacitors, such as ceramic...

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Reinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter

Reinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter

This isolated single-supply bidirectional current sensing project can accurately measure load currents from –2A to 2A. The linear range of the input is from –250mV to 250mV with a differential output range of –2.05V to 2.05V. The gain of the circuit is fixed at 8.2V/V.  The...

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