TLE49421CBAMA1 Sensors, Transducers

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The TLE49421CBAMA1 is a magnetic sensor-switch with a solid-state design intended for a wide range of applications. This device combines a three-axis Hall-effect sensor and a fast hysteresis comparator for activation and deactivation of loads. It can detect a linear or rotational magnetic field, allowing for a very sensitive magnetic field sensing range. This device has been specifically designed for applications such as speed sensing, position sensing, safety mechanism switching, and end detection of rotating shafts.

This magnetic sensor-switch works in detection and non-detection mode. Detection mode is when the signal is triggered by the appearance of a magnetic field in the area, while non-detection mode is when the signal will deactivate itself after the detection of the initial magnetic field.

The internal construction of the TLE49421CBAMA1 incorporates a four-pad set center conductor which consists of two pads and two separate pads connected to a dual-channel Hall-effect sensor. The two separate pads act as a shield to reduce interference from nearby magnets. This 3-axis Hall-effect sensor and its accompanying hysteresis comparator are operated by specialized electro-magnetic coils that create a magnetic field when a current is applied. This magnetic field is then used to detect the presence of one or more magnets in the surrounding area.

The device works in both linear and rotational modes. In linear mode, two perpendicular magnetic fields are used for sensing in the x- and y-directions. The TLE49421CBAMA1 is also capable of recognizing rotational movements, providing the ability to detect changes in the direction of an incoming magnetic field.

The TLE49421CBAMA1 is mainly optimized for applications where the generated magnetic field is greater than the threshold values. This magnetic switch is designed to offer high reliability operation and excellent noise immunity. The device also features a slew rate control that helps prevent false triggering of the signal. In addition, it comes with an adjustable turn-on and turn-off threshold module, enabling users to adjust the switching window to different compass directions. This feature helps ensure highly accurate operations in safety critical applications.

The power consumption of the TLE49421CBAMA1 is low, with a standby mode of 13µA and an active mode of 34µA. The operating temperature range can range from -40 to +85°C. The device is also designed to be compatible with a wide variety of applications including automotive, industrial, medical, consumer, and more.

In conclusion, the TLE49421CBAMA1 is a highly reliable and efficient magnetic sensor switch with a solid-state design. It can be used in a wide variety of applications such as speed, position, and safety switch detection, as well as for rotational movement detection. In addition, the device comes with adjustable settings that allow users to tailor the operation window as per their requirements, offering greater control over the output.

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