Author Archives: Chad Terry
Select the Right Inrush Current Limiter
Inrush Current Limiters protect electrical equipment from overheating at switch-on due to the surge of input voltage from the power source. Selecting the right Inrush Current Limiter is important. For example, switching power supplies, DC motors, and lighting ballasts can develop extremely high peak inrush current at turn-on unless you implement inrush current protection. Because inrush current equals the maximum instantaneous surge of incoming current from a power source, it … Continue Reading
The Secret To Successful Thermistor Beta Calculations
What Do RT1, RT2, T1, and T2 Have In Common? They are the main components of Thermistor Beta Calculations as it relates to temperature measurement, compensation, and control. And if you are an engineer in an industry such as automotive or HVAC where things like coolant and air intake temperatures are crucial to the safety and performance of a vehicle or unit, chances are you will deal with beta calculations … Continue Reading
Temperature Sensor for Control and Compensation Circuits
To use a temperature sensor in a control or compensation circuit, the detection circuit must provide an output in a usable format. For analog circuits, the output is usually a resistance. For digital control and compensation, the measurement needs to be converted to a digital format for processing by an MCU. This is commonly achieved by reading the measurement as a voltage using an analog to digital converter (ADC). Semiconductor-based sensors … Continue Reading
How to Select the Optimal Temperature Sensor
When designing a temperature detection circuit, it is important that you don’t pay for more than what is actually needed. By understanding the requirements of an application, an optimal temperature sensor can be selected that minimizes cost without compromising performance, accuracy, or reliability. There are several factors to consider when selecting a sensor. They are outlined in the table below. Temperature Sensor Selections NTC Thermistor Platinum RTD Thermocouple Semiconductor … Continue Reading
Temperature Sensor for Control and Compensation Circuits
To use a temperature sensor in a control or compensation circuit, the detection circuit must provide an output in a usable format. For analog circuits, the output is usually a resistance. For digital control and compensation, the measurement needs to be converted to a digital format for processing by an MCU. This is commonly achieved by reading the measurement as a voltage using an analog to digital converter (ADC). Semiconductor-based sensors … Continue Reading
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