AD523-02E

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Magnetic Sensors - Switches (Solid State) are switches that are operated by an energetically stable magnetic force. The AD523-02E is an example of such a switch. It is a two-channel solid-state switch that has been specifically designed to maximize current flow while being immune from shock and vibration. Its unique design and construction promotes contact reliability through an extended life-cycle and significant energy conservations.

The AD523-02E is a miniature bipolar solid-state relay, capable of switching up to 2A loads. The switch is constructed with two isolated N-channel MOSFETs having an on resistance of 0.08Ω at 1.5A load current. It features a small footprint, low on state resistance, low activation and deactivation times, and excellent built-in hysteresis. The device also features an enhanced micro-power Schmitt-trigger and has a 15 mΩ loop resistance providing excellent thermal stability. These features make it an ideal choice for a wide range of applications where current control is necessary.

The AD523-02E works by using a magnetic field to manipulate the switching characteristics of the internal N-channel MOSFETs. The magnetic field is generated by a permanent magnet that is placed in close proximity to the switch. When the magnet is close enough or directly in contact with the switch, the internal MOSFETs are energized and the relay is switched "ON." Conversely, when the magnet is removed or moved away from the switch, the relay is switched "OFF."

The N-channel MOSFETs are energized when exposed to the magnet’s field, allowing current to pass when the switch is switched "ON." When the magnet is removed or moved away from the switch, the MOSFETs are no longer energized which prevents current from passing and hence the switch is then thrown "OFF."

The AD523-02E has a wide range of applications, including, but not limited to, automotive, industrial, medical, and communications equipment. In automotive applications, the AD523-02E can be used as a switch for controlling the voltage to the electric engine and in industrial applications, it can be used to control the current in rotating machines such as turbines and drills. It can also be used in medical applications to control the current to a medical device, and in communication applications for switching on and off a radio frequency signal.

In conclusion, the AD523-02E has excellent current carrying capabilities and low on-state resistance, making it suitable for controlling current in a variety of applications. It uses a magnetic field to control the energization of the internal N-channel MOSFETs, providing an extended operational lifetime. The device is suitable for a wide range of applications and can be used to control the current in automotive, industrial, medical, and communication applications.

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