PI Temperature Control Amplifier for Thermoelectric Cooler (TEC) Driver

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https://www.electronics-lab.com/project/pi-temperature-control-amplifier-for-thermoelectric-cooler-tec-driver/

This is a simple Proportional, Integral (PI) temperature control amplifier. A complete thermoelectric cooler (TEC) controller can be created using this PI amplifier and OPA569 Power Op-Amp or other output amplifiers such as DRV591, DRV592 and DRV593. Proportional-integrator compensation is simpler to adjust and often provides an adequate thermal transient response to the TEC driver […]

Electronic DC Load using TLE2141

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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 […]