Archives: Projects
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...
Continue ReadingPower-Saving PWM Solenoid Controller
The project described here is a power-saving pulse-width modulator (PWM) controller for solenoids with an internal supply regulator. The board is based on the DRV110 IC which is a PWM current controller which is specifically designed for solenoid and relay applications. The project...
Continue ReadingBalanced Line Driver for High Speed Digital and Video Signal
The project presented here is a differential driver for the transmission of high-speed signals over low-cost twisted pair or coaxial cables. The project was built using the AD8132 chip. It can be used to transmit either analog or digital video signals or another high-speed data...
Continue ReadingAudio Line Receiver using INA134
The project described here is a differential line receiver consisting of high-performance INA134 OPAMPs with on-chip precision resistors. The project is fully specified for high-performance audio applications and has excellent AC specifications, including low distortion (0.0005% at...
Continue ReadingAudio Line Driver using DRV135 with Balanced Output
The project presented here is a differential output amplifier that converts a single-ended audio signal input to a balanced output pair. This balanced audio project consists of high-performance OPAMPS with on-chip precision resistors. They are fully specified for high-performance...
Continue Reading1200V High-Current Half-Bridge using FAN73912
The project presented here is designed for high-voltage and high-speed driving for MOSFETS and IGBTs that operate up to +1200V. The project consists of a FAN73912 gate driver chip and 2 x IGBTs, DC bus capacitors, current sense resistor for current feedback etc. The advanced input...
Continue ReadingHigh 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...
Continue Reading3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
Driving a low current 3 phase brushless Sensorless DC motor is very easy with this project. This Full-wave BLDC driver project is capable to drive low current brushless fan motor without a hall sensor. 180° sinusoidal drive, high torque output, and silent drive are a few key features...
Continue Reading