Synchronous Boost Converter 12V Input to 24V Output @ 2A
https://www.electronics-lab.com/project/synchronous-boost-converter-12v-input-to-24v-output-2a/
This project is a synchronous boost converter based on the LM5122 IC. It converts a 12V input to a 24V output capable of delivering up to 2A. It features high-current connectors and a power indicator LED.
Simple SMPS, 85-265VAC Input with Output 12VDC @ 750mA
https://www.electronics-lab.com/project/simple-smps-85-265vac-input-with-output-12vdc-750ma/
This is a compact Switch-Mode Power Supply (SMPS) using the TNY266 chip for cost-effective solutions like power adapters and LED drivers. It includes a rectifier, TNY266 switch, and PC817 optocoupler feedback. It requires no auxiliary power.
Step-Up DC-DC Converter – 9V Output @ 500mA
https://www.electronics-lab.com/project/step-up-dc-dc-converter-9v-output-500ma/
This project uses the LM2700 step-up DC/DC converter to efficiently generate a 9V output from a single Li-Ion battery. The compact board is an efficient replacement for 9V batteries (PP3), operating stably at up to 1.25 MHz for high efficiency.
Boost Converter 5V DC Input – 12V DC Output
https://www.electronics-lab.com/project/boost-converter-5v-dc-input-12v-dc-output/
This project is a compact boost converter circuit that steps up a 5V to 12V DC output using the LM2733 regulator. It achieves high power density with a small SOT-23 package, minimal components, and high-frequency switching. It also includes current limiting and thermal protection.
3W Switch Mode Power Supply – 12V output
https://www.electronics-lab.com/project/3w-switch-mode-power-supply-12v-output/
The project presented here is 3W Switch mode power supply mainly designed for LED applications. The project is based on LNK364 chip from Power Integrations. LNK364 incorporates a 700V power MOSFET, oscillator, simple ON/OFF control scheme, a high-voltage switched current source, frequency jittering, cycle-bicycle current limit and thermal shutdown circuitry onto a monolithic IC. The […]
Buck Converter for E-Scooters – 4.5V to 95V input – 5V output
https://www.electronics-lab.com/project/buck-converter-for-e-scooters-4-5v-to-95v-input-5v-output/
This high-voltage buck converter is specifically designed for e-scooter and e-bike control power supply applications, but its versatility also makes it suitable for use in solar energy systems, automotive systems, and industrial power supplies. This converter utilizes the MPS9486 chip, a 4.5V-to-95V-input, 1A-output step-down converter that provides efficient power conversion. The MP9486 chip employs a […]
Buck Converter 12V-76V Input, 5V DC Output
https://www.electronics-lab.com/project/buck-converter-12v-76v-input-5v-dc-output/
A buck converter board has been developed utilizing the BD9G341AEFJ, a non-synchronous DC/DC converter. This board accepts a wide input voltage range of 12V to 76V DC and generates a regulated 5V DC output. The BD9G341AEFJ features an integrated 150mΩ N-channel MOSFET and a programmable switching frequency, adjustable from 50kHz to 750kHz. On this board, […]
12-75V Input to 10V Output DC-DC Buck Converter
https://www.electronics-lab.com/project/12-75v-input-to-10v-output-dc-dc-buck-converter/
This is a versatile synchronous Buck DC/DC converter built using the LM5007 chip. It operates with an input voltage range 12V to 75VDC, and provides 10V/250mA output. The regulator can provide load current up to 400mA, but it is advisable to draw only 250mA due to the small thermal area (small PCB). The default output […]
12V Step-Up DC-DC Converter from 1.8V to 5V Input
https://www.electronics-lab.com/project/12v-step-up-dc-dc-converter-from-1-8v-to-5v-input/
This is a DC/DC converter that combines a traditional voltage feedback loop and a unique current feedback loop to operate as a constant-current, constant-voltage source. The project has been designed using the LT1618 chip. The board provides 12V/150mA output, from input supply 1.8V to 5VDC. The LT1618 uses a constant frequency, current mode control scheme […]
Universal Input AC/DC Switching Buck Regulator – 85V -265V AC Input – 5V/150mA DC Output
https://www.electronics-lab.com/project/universal-input-ac-dc-switching-buck-regulator-85v-265v-ac-input-5v-150ma-dc-output/
The project presented here is a universal input AC/DC switching buck regulator with ultra-low standby power that is capable of delivering up to 2.5W output power. The RAA223012 chip is the heart of the project which combines constant off-time control for heavy load and Pulse Frequency Modulation (PFM) for light-load operation. Constant off-time controls switching […]