Hall-Effect Latch Sensor enhances magnetic scrolling.
October 2, 2009 -
Supplied in 1.5 x 2 x 0.4 mm, Pb-free MLF package, MLX92213 enhances efficiency and power consumption of scrolling or trackball-type applications found in computer peripherals and handheld consumer electronics. Magnetic design, which offers contact-less and solid-state solution for incremental rotary encoders, features Hall-effect Latch operating from 1.6-3.6 V. Push-Pull output eliminates need for external pull-up resistor, and awake/sleep strategy reduces power consumption.
Green Latch Enables Great Power-Saving for Contact-Less Magnetic Scrolling Applications
IEPER, Belgium, September 24 -- Melexis announces today the release of the MLX92213. This newly designed low voltage Hall-Effect Latch sensor integrates advanced power management providing micropower-efficient solutions for battery or handheld applications. With its ingenious magnetic design, the MLX92213 offers a breakthrough contact-less and reliable solid-state solution for incremental rotary encoders. The device enhances the efficiency and power consumption of all scrolling or trackball-type applications found in computer peripherals, mobile phones or other handheld consumer electronics.
The MLX92213 features an ultra-sensitive Hall-effect Latch operating from 1.6V to 3.6V. The output is a "Push-Pull" type so that an external pull-up resistor is not needed for proper operation, hence reducing PCB component count.
The device is primarily targeting battery-operated applications. The MLX92213 employs an awake/sleep strategy to reduce its power consumption versus a standard Hall-Effect latch sensor.
This Micropower Hall-effect Latch is ideally suited for use in speed and direction detection applications based on multipole magnets.
Low Voltage Hall-Effect Latch
Produced in a CMOS process, the MLX92213 uses sub-micron technology optimized for low voltage operation suitable for application within 1.6V to 3.6V Vdd range. Combining Hall element and offset cancellation system, the MLX92213 provides ultra-sensitive, accurate and stable magnetic switching points, independently of temperature and mechanical stress. The output signal is provided directly through a push-pull output with a standard +/-1mA capability eliminating the need for an external pull-up resistor.
The device provides contact-less and solid-state switching based on a magnetic solution, therefore offering bounce-free switching, robust operation in dirty and dusty conditions and is not subject to mechanical wear-out. Under power, the device will detect the presence of a magnetic field and switches its output accordingly. When the Hall sensor senses a South magnetic pole of a sufficient strength, the output is latched in a low state. It remains in this state until the Hall sensor senses a North magnetic field of a sufficient strength where the output is then latched in a high state.
Ready for Miniature Design and Massive Production
The MLX92213 device is delivered in a lead-free and green compliant micro lead frame package. This miniature package requires only 3mm2 PCB surface (1.5 x 2mm) with only 0.4mm thickness. This represents a major advantage versus any optical solution as it allows producing much thinner application designs for consumer handheld devices such as portable media players or smart phones.
A longer version of this press text can be found on the news section of the Melexis website: http://www.melexis.com
Company Contact: Rik Moens, Marketing & Communications Europe, +32-13-670-795, rmo@melexis.com
Contacts:
Marketing:
Rik Moens
INTL
Phone: 32-13-670-795 E-mail this person Company Information: Name: Melexis Inc. Address: 41 Locke Rd. City: Concord State: NH ZIP: 03301 Country: USA Phone: 603-223-2362 FAX: 603-223-9614 http://www.melexis.com
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