High-performance, High-reliability Bipolar Stepper Motor Driver

High-performance, High-reliability Bipolar Stepper Motor Driver

The project presented here is a bipolar stepper motor driver. It is based on BD63731EFV chip which is a low-consumption driver that is driven by a PWM signal. The power supply voltage of the project is 8 to 28V DC, and the rated output current is 3A. CLK-IN driving mode is adopted for...

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1.075
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Power-Saving PWM Solenoid Controller

Power-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...

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1.099
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3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver

3-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...

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1.164
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High Current Half-Bridge with Over Current Shutdown

High Current Half-Bridge with Over Current Shutdown

The project presented here is a versatile high voltage Half-Bridge with Over-Current Shutdown. The project is built using LT1158 IC from Analog Devices. It is suited for many applications as listed below. A single input pin on the LT1158 synchronously controls two N-channel power...

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1.149
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3V to 5V DC Output Step-Up DC-DC Converter using MAX668

3V to 5V DC Output Step-Up DC-DC Converter using MAX668

The project presented here is a powerful constant-frequency, pulse-width modulating (PWM), current-mode step-up DC-DC switching regulator efficiently producing 5V from input voltages between 3V to 5V. The project can be used in a portable device that works with a battery. The module...

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1.134
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High Current MOSFET Based Power Switch with Gate Driver

High Current MOSFET Based Power Switch with Gate Driver

This power load switch project provides a simple and inexpensive method for power control. It is intended for driving a resistive or inductive load. A TTL logic signal from the system turns the load switch ON and OFF. The project consists of a low ohm N-Channel Power Trench MOSFET...

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1.175
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PWM Temperature Controlled FAN using TC648 and NTC sensor

PWM Temperature Controlled FAN using TC648 and NTC sensor

The project described here is a switch mode fan speed controller for use with brushed or brushless DC motors. Temperature proportional speed control is accomplished using pulse width modulation (PWM). 10K Ohms NTC is used to sense the temperature. The project is built using TC648 chip...

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1.271
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DC-HV DC Converter – 200V @ 20mA Output with 12V DC Input

DC-HV DC Converter – 200V @ 20mA Output with 12V DC Input

This is a low-cost DC-HV DC converter built using TL3843 Low-Power Current-Mode PWM Controller from TI. Screw terminal connectors are provided for input and output, onboard LED D1 indicates the input supply. The project provides 200V DC @ 20mA output from 12V DC supply...

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1.212
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