Power Projects
TINY DC-DC Power Module – Input 8-28V DC – Output 5V DC 1A
This tiny power module is an easy-to-use integrated power solution that combines a 3A DC/DC converter chip with inbuilt power MOSFETs, an inductor, and passives into a 3-pin, through-hole package.
Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller
The circuit described here is a simple PFC controller using the UCC28180 chip from Texas instruments.
Dual-Level Float-Cum-Boost Charger with Pre-Charge for 12V – 3 to 6Ah Sealed Lead Acid (SLA) Batteries
This SLA Battery charger project is the right choice if you want to obtain maximum battery service life and capacity, along with acceptable recharge time and economy, constant current, constant voltage, and even charge a deeply discharged battery.
1.2V to 50V @ 3A – Adjustable Power Supply with 55Vdc Input
The project presented here is a wide input voltage range non-isolated DC-DC Converter, that provides a regulated, adjustable output voltage.
60V Input – 5V @ 50mA Output High Voltage Fixed Output Regulator
This is a high voltage regulator project that provides 5V regulated output with a load capacity of 50mA from input supply 10V to 60V.
42V Input – 3.3V @ 2A Output High Voltage Step Down Regulator
The project described here is a high voltage step-down regulator based on A4447 general-purpose buck converter chip from Allegro Semiconductor.
65V Input to 12Vdc Output – 1A synchronous buck DC/DC converter using LM5164
This is a step-down DC-DC converter mainly designed for application such as high-cell-count battery packs, power tools, garden tools and electric scooters, drones.
1.2V to 35V @ 3A Adjustable Step-down Regulator using LM2596
This is a highly efficient and compact project that is capable of driving a 3A load with excellent line and load regulation and adjustable output of 1.2V to 35V DC.
+/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input
This is a mini DC-DC converter with dual output from single 5V DC supply or USB power source (e.g., +/-18V from 5V/USB).
High voltage Half-Bridge with Current Feedback using L6390
The project presented here is a versatile high voltage Half-Bridge with current feedback.
Photovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC
This is a tiny module that allows users to charge small Li-ion batteries, CR2032 or equivalent, from a low power source such as a small photovoltaic cell.
0 to 10 V Adjustable Lab Power Supply with Current Control
The circuit presented here is a very simple and easy to build Lab Power Supply.