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


https://www.electronics-lab.com/project/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 IC utilizes simple external loop compensation allowing optimization between component size, cost, […]

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


https://www.electronics-lab.com/project/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. The RT7258‘s current mode architecture allows the transient […]

5V – 4A Buck Converter using NR110E


https://www.electronics-lab.com/project/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 capacitors are used. The ICs have protection functions such as Overcurrent […]

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 […]

High Current DC-DC Converter – 12V/6A Output from 16V to 38V DC Input


https://www.electronics-lab.com/project/high-current-dc-dc-converter-12v-6a-output-from-16v-to-38v-dc-input/

The project presented here is a low quiescent current, synchronous buck converter featuring the LTC3807. This DC-DC converts a 16V to 38V input voltage to a 12V at 6A output. The main features of this board include an internal LDO for gate drive power from VIN or EXTVCC, RUN pins, a mode selector jumper CN1 […]

24V Boost Converter from 4.5V to 20V Input


https://www.electronics-lab.com/project/24v-boost-converter-from-4-5v-to-20v-input/

The project presented here is a boost converter with 24V output from 4.5V to 20V DC Input. The project is built using an LT8357 chip and configured as a boost converter. Under voltage lockout, and soft-start are a few key features of the project. LED D1 indicates the output, and screw terminals are provided for […]

Stepdown DC-DC Converter with Current Limit


https://www.electronics-lab.com/project/stepdown-dc-dc-converter-with-current-limit/

The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC. The adjustable current limit is an important feature of the project, which prevents the device from accidental output short circuits avoiding excessive load damage. The internal limiting current (latched function) has a typical value […]

Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO


https://www.electronics-lab.com/project/step-up-dc-dc-converter-24v-10ma-output-from-12v-dc-input-compatible-to-to220-ldo/

The project demonstrated here is a small-size solution, high-efficiency, low-cost, and low-EMI step-up DC/DC module for LDO regulator replacement. This small size module helps save on solution size and cost while also eliminating the need for a heatsink. The module takes up the same amount of space as a TO-220 package and is pin-to-pin compatible […]

Li-Ion/Li-Po 18650 Battery to 5V Boost Converter


https://www.electronics-lab.com/project/li-ion-li-po-18650-battery-to-5v-boost-converter/

The project presented here is capable of supplying 400mA of current from a 3.7V Li-Ion/Li-Po Battery input with a 5V output. The converter has an internal soft start and internal frequency compensation features. The project is built using LTC3426 SOT23-6 chip. The LTC3426 chip is in a low profile (1mm) SOT-23 package and has a […]

High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter


https://www.electronics-lab.com/project/high-current-half-bridge-with-over-current-voltage-feedback-for-step-down-dc-dc-converter/

This project enables the user to create a high current DC-DC converter. The project consists of a high current inductor, high current low voltage 2 x MOSFETs, half-bridge driver LT1158 chip, voltage feedback using onboard R9 and R10 resistor dividers, shunt resistor for overcurrent shut-down. The project has all the required components to create a […]