Free Elektor Circuit – An NE555 Watchdog Timer
Basic Electronics

Free Elektor Circuit – An NE555 Watchdog Timer

from an Idea by Wolfgang Borst (Germany) Virtually every modern microcontroller has a built-in watchdog. It prevents the microcontroller ‘hanging’ which may be the result of a programming error or an unforeseen operating condition, where, for example, the program becomes trapped in...

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CoolSiC™ MOSFET evaluation board for motor drives up to 7.5 kW
Motor

CoolSiC™ MOSFET evaluation board for motor drives up to 7.5 kW

Silicon carbide (SiC) is en route to mainstream for applications like photovoltaic and uninterruptable power supplies. Infineon Technologies AG is now targeting the next group of applications for this wide bandgap technology: The evaluation board EVAL-M5-E1B1245N-SiC will help to pave...

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USB-PD Stand-alone Adapter Board from Oxplot
USB

USB-PD Stand-alone Adapter Board from Oxplot

Modern devices are quickly switching to USB-C power adapters, gradually fading out USB-A, and USB-B adapters. USB's Power Delivery (USB-PD) protocol enables the supplies to be  flexible enough to handle charging (or powering) devices ranging from mobile phones to laptops. There are...

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Current Limit Solid State Power Switch with Latch
Control

Current Limit Solid State Power Switch with Latch

The project published here is a solid state power switch with current limiting that prevents damage to host devices from faulty load conditions. This analog current limit switch have low on-resistance P-channel MOSFET and INA202 driver IC from Texas instrument. The project operate from...

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Thermal-packaged MOSFET targets e-bike power systems
Parts

Thermal-packaged MOSFET targets e-bike power systems

Analog and mixed-signal semiconductor company MagnaChip Semiconductor (Cheongju-si, South Korea) has announced the release of a 100-V mid-voltage MOSFET with a new thermal package designed for the fast-growing electric bike (e-bike) market. The MOSFET is housed in a M2PAK-7P package...

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High Power Bidirectional DC Motor Driver using IFX007T
Motor

High Power Bidirectional DC Motor Driver using IFX007T

This motor driver circuit can drive a brushed DC motor with up to 250W of continuous load. The project can be controlled with the general logic IO-Ports of any microcontroller. Either an Arduino Uno or other microcontroller can be used as the control board. The project uses two IFX007T...

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Isolated High Power DC Solid-State Relay Shield for Arduino
Arduino

Isolated High Power DC Solid-State Relay Shield for Arduino

Isolated high power Mosfet DC solid state relay shield allows you to control high current DC load in switching or PWM control mode. The project can be used in wide verity of applications like DC-DC Converters, inverters, DC motor control, solenoid, LED Dimmer, battery chargers and it...

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Maximizing power density and thermal performance in power-module designs
Power

Maximizing power density and thermal performance in power-module designs

Power-module designs require high power density, excep-tional thermal performance and a full feature set in order to be competitive. One way that power-module designs can meet these needs is with buck controllers with exter-nal metal-oxide-semiconductor field-effect transistors...

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