H-Bridge for High Power Brushed DC Motor with Current Sense
https://www.electronics-lab.com/project/h-bridge-for-high-power-brushed-dc-motor-with-current-sense/
This H-bridge board is an easy-to-use brushed DC motor driver that can handle large-size motors such as wheelchair motors, and winch motors. An H-bridge is an electronic circuit that switches the polarity of a voltage applied to a load. The circuit is built using 4 x N-Channel MOSFETs, gate driver IR2104, and a logic circuit. […]
Brushed DC Motor Speed Controller Using Radio Control (RC) Remote
https://www.electronics-lab.com/project/brushed-dc-motor-speed-controller-using-radio-control-rc-remote/
This is a Brushed DC motor controller designed to control one brushed DC motor up to 5A. It can control the speed of the DC motor using a Radio Control (RC) System. This Arduino compatible hardware converts RC PWM signal into 0 to 100% duty cycle PWM which further drives high current load using MOSFET. […]
Electronic DC Load using TLE2141
https://www.electronics-lab.com/project/electronic-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 reference voltage. Resistor R11 acts as a shunt […]
Dual MOSFET Driver – Two Channel DC SSR Using MOSFETS & Gate Driver
https://www.electronics-lab.com/project/dual-mosfet-driver-two-channel-dc-ssr-using-mosfets-gate-driver/
The project presented here is a dual-channel MOSFET DC relay. The project is capable of driving a 5A load on each channel with an input supply of 48V DC. The LTC7067 chip drives the two high-side N-Channel MOSFETS with supply voltages up to 48V DC. Its powerful 0.8Ω pull-down and 1.5Ω pull-up MOSFET drivers allow […]
Low-Cost LED Dimmer using LM3578
https://www.electronics-lab.com/project/low-cost-led-dimmer-using-lm3578/
This Low-cost LED dimer project includes two main parts, an LM3578 chip, and a MOSFET. The LM3578 generates a PWM signal, and Q1 MOSFET helps to drive a high current LED. The project also includes current limit feature. Over current trigger point is set to 1.1A. LED intensity can be set using a board trimmer […]
Cooling Fan Controller Using Temperature Sensor LM35
https://www.electronics-lab.com/project/cooling-fan-controller-using-temperature-sensor-lm35/
The project presented here is a low-cost solution for heat management of the heatsink and various equipment that requires automatic control of a cooling Fan. The project is built using a very cheap LM358 OPAMP. LM358 is used as a comparator, and a trimmer PR1 is provided to set the temperature threshold (Fan ON trigger […]
1200V High-Current Half-Bridge using FAN73912
https://www.electronics-lab.com/project/1200v-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 filter of HIN provides protection against short-pulsed input signals […]
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 […]
High Current Half-Bridge with Over Current Shutdown
https://www.electronics-lab.com/project/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 MOSFETs IRF3710 in a totem pole configuration. Unique adaptive protection against […]
High Current MOSFET Based Power Switch with Gate Driver
https://www.electronics-lab.com/project/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 FDB0300N1007L and Gate driver MAX5048 chip. […]