Isolated Analog Input Module v2
https://www.electronics-lab.com/project/isolated-analog-input-module-v2/
This Isolated Analog Input module is designed for industrial applications, optically isolating 0−5V sensor signals to output 0−3.3V for microcontrollers. It uses a linear optocoupler (3750V isolation) and requires two separate 5V supplies. A simple resistor change allows it to accept 0−10V inputs.
Isolated Potentiometer and Switch Module using LOC110
https://www.electronics-lab.com/project/isolated-potentiometer-and-switch-module-using-loc110/
This Isolated Potentiometer Module provides isolated analog (0−3.3V from a 10K pot) and isolated switch inputs (via PC817 optocouplers) for industrial use. It uses a LOC110 linear optocoupler (3750V isolation) and an isolated DC-DC converter for a single 5V supply.
High-Voltage Isolated Half-Bridge Driver (Up to 1kV)
https://www.electronics-lab.com/project/high-voltage-isolated-half-bridge-driver-up-to-1kv/
A fully isolated 1kV half-bridge driver for high-voltage use. Features isolated DC-DC converters, 1.2KV IGBTs, power LEDs, and 2.5kV galvanic isolation between signal and power grounds. Accepts 12V DC input and PWM control.
High Voltage SiC-MOSFET Switch with Isolated Gate Driver and Isolated DC-DC Converter
https://www.electronics-lab.com/project/high-voltage-sic-mosfet-switch-with-isolated-gate-driver-and-isolated-dc-dc-converter/
The isolated high-voltage SiC MOSFET switch is a reliable and efficient solution for power driver applications. It includes a gate driver chip, a 1.2kV/4.7A SiC MOSFET, and a 2W DC-DC converter. The module is suitable for various configurations and can be connected to high-current/voltage screw terminals.
Isolated Power Supply with 24V Input and Dual 15V Output
https://www.electronics-lab.com/project/isolated-power-supply-with-24v-input-and-dual-15v-output/
This isolated power supply features the SN6507 chip, a push-pull isolation transformer driver, which provides a reliable and efficient power conversion solution. The power supply comprises a transformer, rectifier circuit, and isolation transformer T1, which separates the input and isolated output, ensuring electrical isolation and preventing high voltages and noise from interfering with or damaging […]
Isolated Flyback Converter with 18V-28V Input and 12V Output
https://www.electronics-lab.com/project/isolated-flyback-converter-with-18v-to-28v-input-and-12v-output/
The project presented here is a micropower no-opto isolated flyback converter featuring the LT8304 chip from Analog Devices. This circuit outputs 12V and maintains tight regulation with a load current from 10mA up to 1A and over an input voltage from 18V to 28V. The project needs less than 0.5% of its full output power […]
±340V DC Output, 15V DC Input, Isolated Flyback Converter
https://www.electronics-lab.com/project/%c2%b1340v-dc-output-15v-dc-input-isolated-flyback-converter/
The project presented here is an isolated flyback converter featuring the LT3748 chip from Analog Devices. The circuit is designed for a +/-340V DC (2 x 340V) output from a 7V to 15VDC input. The output current is up to 2 x 8mA. The board senses the isolated output voltage directly from the primary side […]
Isolated RS485/RS422 Transceiver with Integrated DC-DC Converter
https://www.electronics-lab.com/project/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 CQC. The low-emissions, isolated DC/DC converter ensures the final system is capable of […]
Reinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter
https://www.electronics-lab.com/project/reinforced-isolated-current-sense-amplifier-with-precision-%c2%b1250-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 project is based on AMC3301 chip which has a […]