Hall Switch Latching High Sensitivity TO92UA

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HAL102JQ-I-2-B-1-00

Part #:
HAL102JQ-I
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Product Information

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The HAL 1xy Hall switch family is designed for home appliances and industrial applications. The sensors are produced in CMOS technology and include a temperature-compensated Hall plate with active offset compensation, a comparator, and an open-drain output transistor. The comparator compares the actual magnetic flux through the Hall plate (Hall voltage) with the fixed reference values (switching points). Accordingly, the output transistor is switched on or off. The active offset compensation leads to magnetic parameters which are robust against mechanical stress effects. In addition, the magnetic characteristics are constant in the full supply voltage and temperature range. The HAL 1xy family is available in the SOT89B SMD package and in the leaded TO92UA package.

Micronas HAL102_001.jpg

The Hall-effect sensor is a monolithic integrated circuit that switches in response to magnetic fields. If a magnetic field with flux lines perpendicular to the sensitive area is applied to the sensor, the biased Hall plate forces a Hall voltage proportional to this field. The Hall voltage is compared with the actual threshold level in the comparator.

The temperature-dependent bias is used to compensate the decreasing induction of magnets at higher temperatures. If the magnetic field exceeds the threshold levels, the open-drain output switches to the appropriate state. The built-in hysteresis eliminates oscillation and provides switching behavior of output without bouncing.

Magnetic offset caused by mechanical stress is compensated for by using the “switching offset compensation technique”.

Major Applications

• White goods - selector switches
• White goods - door lock detection
• White goods - RPM detection
• Power tools - speed control
• Power tools - direction switch
• Home automation - garage openers
• Home automation - door openers
• Industrial - Endposition detection
• Industrial - RPM measurement of motors
• Industrial - Brushless DC motors
• Industrial - RPM measurements in flow meters
• Industrial - Replacement of micro switches

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized Micronas distributor.
 

Features

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Temperature ranges: C (Commercial, TJ = 0 C to 85 C) I (Industrial, TJ = 20 C to 125 C)
Operates from 3.8 V to 24 V supply voltage
Operates with static magnetic fields and dynamic magnetic fields up to 10 kHz
Overvoltage protection at all pins
Reverse-voltage protection at VDD pin
Magnetic characteristics are robust against mechanical stress effects
Short-circuit protected open-drain output by thermal shut down
Constant switching points over a wide supply voltage and temperature range
The decrease of magnetic flux density caused by rising temperature in the sen- sor system is compensated by a built-in negative temperature coefficient of the magnetic characteristics
High temperature stability for home appliances and industrial applications
High ESD rating
 

Documents

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Micronas HAL102JQ-I Datasheet
Micronas HAL102JQ-I Product Brief

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Hall Switch Latching High Sensitivity TO92UA