Archives: Projects
55V – 3A Half-Bridge Power Driver Module
This Half-bridge module provides current measurement and regulation features for various loads. The module can be used to drive solenoids, Relays, Valves, DC-DC converters, Brushed DC motors, or other loads. It can operate from a 5V to 55V supply voltage and can deliver up to 3A of...
Continue ReadingStep 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...
Continue ReadingPWM to Voltage Converter – PWM to Voltage Output DAC
The project presented here is a dual 12-bit PWM-to-voltage output DAC with high accuracy. The board is based on the LTC2644 chip. The LTC2644 measures the period and pulse width of the PWM input signals and updates the voltage output DACs after each corresponding PWM input rising...
Continue ReadingDual 2A Power Amplifier Module for TEC
This Dual 2A Power Amplifier module is a low-cost operational amplifier designed for driving a wide variety of loads while operating on low-voltage supplies. The dual amplifier can drive high output loads with a current of up to 2A. This Dual 2A Power Amplifier has been designed as a...
Continue ReadingElectronic DC Load using TLE2141
The circuit shown here is a low-cost electronic DC load designed to sink current from a power source. This test equipment can be used to test power devices such as power supplies, chargers, solar panels, and batteries. The board is built using op-amp TLE2141, LM385 provides the...
Continue Reading9V @ 45mA Boost Converter Output with Input 2.1V to 5.5V
The project shown here is a boost converter that provides 9V DC output from 2.1V to 5.5V input. It is a good choice for battery-operated devices where the converter can be connected to 2x 1.5V, 3 x 1.5V Battery, 1 x Li-ion, 2 x NICAD, 2 x NIMH, and provide 9V Output. The board is...
Continue Reading3.3V-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....
Continue Reading21-Watt Universal AC LED Driver with Accurate Average-Mode Constant Current Control
The project presented here is an average current mode control LED driver operating in a constant off-time mode. The project consists of a bridge rectifier followed by a buck converter operating with a fixed off-time of 20µs. The circuit provides accuracy, and line and load regulation...
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