ATS04A

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Crystals: ATS04A application field and working principle

ATS04A, also known as the Infineon ATS04A, is a specialized low-cost current switch used mainly in automotive power systems. It is often utilized in applications that require large switching current loads, such as motor drives and other high-power applications. The ATS04A has been widely used in automotive power systems since its introduction in 2014.

General Overview of ATS04A

The ATS04A is a specialized low cost current switch featuring uncommented access to the load and a wide range of current sizes, compared to other load switches in its product range. It base on a smart power semiconductor, capable of processing and controlling up to 150 A continuous current. The maximum continuous current that the ATS04A is capable of switching is 0.82 A.

The power switch is designed to offer exceptional reliability, with a low risk of wiring-error and a wide temperature range. It can work at temperatures between -40°C and 140°C and is rated for 80V input voltage without degrading performance. It is also built to be as compact as possible, so it can be easily integrated into existing systems.

Typical Applications and Working Principle of ATS04A

The ATS04A is mainly used for automotive application such as power window control systems, power sliding door control systems, automotive interior lighting systems, battery charger systems, heavy-duty vehicle motors and traction control systems. It operates by allowing current to pass through the circuit only when a load is detected and then turning off after a preset time, allowing the current to be stabilized.

The ATS04A operates with a two-terminal design. The drain terminal is connected to the ground and the source terminal is connected to the load. When the load is connected, the voltage across the source terminal will drop. This causes the ATS04A to switch on, allowing the current to pass through the circuit. When the current is stabilized, the ATS04A will shut off after a preset time, thus stabilizing the current.

The ATS04A can also be used to regulate current in variable power devices. When the voltage across the variable device varies, the ATS04A will automatically adjust its current to match the changing voltage, allowing the load to receive the optimal amount of current.

Conclusion

The ATS04A is a specialized, low-cost current switch used mainly in automotive power systems. It is designed to offer exceptional reliability and stability, with a wide temperature range and uncommented access to the load. The ATS04A is usually used for applications that require large switching current, such as motor drives, battery charger systems, heavy-duty vehicle motors and traction control systems.

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