A3213LLHLT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Omnipolar Switch
Technology:	Hall Effect
Polarization:	Either
Sensing Range:	±7mT Trip, ±1mT Release
Test Condition:	-40°C ~ 150°C
Voltage - Supply:	2.4 V ~ 5.5 V
Current - Supply (Max):	2mA
Current - Output (Max):	1mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	SOT-23W
Supplier Device Package:	SOT-23W

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Magnetic Sensors - Switches (Solid State)

The A3213LLHLT is a magnetic sensor switch, made up of solid state components. It is mainly used as an interface between fields that require sensitivity and high level circuits that require a digital signal interface. This type of sensor switch is typically used in applications in which there is an access control requirement, such as in automotive, consumer electronics, home security systems, and factory automation applications.

Components of A3213LLHLT

The A3213LLHLT is composed of two components: a control unit and a sensing unit. The control unit is typically mounted on the top side of the device, while the sensing unit is mounted on the underside. The control unit is composed of a microcontroller that controls the flow of information between the two components, as well as a programming interface (IPI) for programming the device. The sensing unit is composed of a magnetic sensor and an interrupt timer that monitors the state of the magnetic field in the vicinity of the switch.

Working Principle

The working principle of the A3213LLHLT magnetic sensor switch is quite simple. When a magnetic field is detected in the vicinity of the switch, the sensor generates an electrical signal that is sent to the microcontroller. The microcontroller then processes the signal and sends a digital signal to the IPI. The IPI then performs the desired operation, such as turning on a light, opening a door, or turning on an alarm.

Applications

The A3213LLHLT magnetic sensor switch can be used in a variety of applications. For example, in automotive applications, the sensor switch can be used as part of an access control system to enable access to the vehicle when a valid magnetic key is detected. In consumer electronics, the sensor switch is used to detect when a user taps on the device’s case or screen. In home security systems, the sensor switch is used to detect when a magnetic key or tag is placed in the vicinity of the system. And in factory automation applications, the sensor switch is used to detect the presence of a barcode or RFID tag.The versatility of the magnetic sensor switch makes it suitable for a wide range of applications. It is also highly reliable and cost-effective, making it an excellent choice for engineers who need to quickly and reliably access control or sensing systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description