TLV49641MXTSA1

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Magnetic Sensors play an important role in many applications, including automotive, consumer electronics, industrial equipment, and medical devices. A Magnetic Sensor such as the TLV49641MXTSA1 is a switch (solid state) that provides non-contact detection in the switching circuitry of automotive, industrial and consumer products.

The TLV49641MXTSA1 is a surface-mount device that consists of a Hall effect magnetic sensor integrated with a current limiting resistor. The device includes a reverse biased sense element, which responds to a magnetic field created by a stationary permanent magnet or an electromagnet. The device can detect both permanent and alternating magnetic fields, and provides a true digital output when the switched threshold is crossed.

The TLV49641MXTSA1 application field includes sensing and controlling in automotive door locks, airbags, fuel pumps, and power windows. It is also used for controlling medical equipment or security access systems. The TLV49641MXTSA1 can recognize alternating magnetic fields for speed detections as well.

The working principle of the TLV49641MXTSA1 is based on the Hall effect. A Hall effect sensor creates an output voltage proportional to the aligned magnetic field, while a Fixed Offset Technology (FOT) ensures consistent and reliable switching performance. If the magnetic field near the device\'s sensing element exceeds a set threshold, the device switches to a digital output state.

The TLV49641MXTSA1 has a low operating current of 10μA and a low standby current of 5 μA. This makes it an ideal device for battery-powered applications. It has an operating temperature range of -40 °C to +105 °C, and a wide supply voltage range of 2.5V - 5.5V.

The TLV49641MXTSA1 features a common-mode noise immunity of ±10 mT and a noise immune detection width of -100 mT. This allows it to operate reliably in high-noise and EMI environments, providing high stability and accuracy.

In summary, the TLV49641MXTSA1 is a surface-mount device that utilizes the Hall effect to detect magnetic fields. It is intended for use in automotive, consumer, and medical applications as it offers low power consumption, wide operating temperatures, and high accuracy and noise immunity. This makes it an ideal device for many applications requiring reliable and accurate switched control.

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