High Voltage High Current TEC Controller

TEC (Thermo-Electric Cooler) is a semiconductor device which can cool down or heat up the temperature of an object by injecting an electrical current in one or the other direction. This TEC controller, TEC28V15A, is designed to drive a TEC at high efficiency for regulating the object temperature precisely by controlling the direction and magnitude of the current going through the TEC. It is powered by a DC voltage between 9V to 28V and output current can go up to 15A without using a heat sink.

TEC28V15A

The controller TEC28V15A allows setting the set-point temperature, maximum output voltage magnitude, and the maximum output current magnitude respectively. These three settings are the input parameters for the three control loops: constant temperature, constant current, and constant voltage. Before hitting the maximum output voltage magnitude or the maximum output current magnitude, the temperature loop is in control. When hitting the maximum output voltage magnitude, either outputting a positive or negative value across the TEC, the voltage loop takes over the control, the controller will be outputting a constant voltage to the TEC; when hitting the maximum output current magnitude, the current loop takes over the control, the controller will be outputting a constant output current to the TEC. The highest output voltage magnitude is limited by the maximum power supply voltage, and the maximum output current magnitude is 15A.

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TEC28V15A Laser 

Drivers ATLS8A216D 0 buy now buy now

Evaluation Board

The evaluation board introduced by this application note, ATLS218EV1.0, is designed for evaluating these laser drivers conveniently. It is recommended to read this application note with the ATLSxA218D datasheets which provides more detail information about the specifications and application guidelines for the laser drivers.

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TEC28V15AEV1 Laser 

Drivers ATLS6A214D 0 buy now buy now
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