Datasheet > SS526DT

SS526DT

更新时间： 2024-10-14 03:31:07

品牌	Logo	应用领域
霍尼韦尔 - HONEYWELL		传感器
页数	文件大小	规格书
4页	72K
描述
Dual Hall-effect Digital Position Sensors with speed & direction outputs

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SS520 Series Dual Hall-effect Digital Position

Sensors with speed & direction outputs

Series SS520

FEATURES

TYPICAL APPLICATIONS

l Single miniature plastic package

includes two separate Hall sen-

sors

l Frequency signal for speed out-

put

l Anti-pinch electric motor control

systems for power windows, power

seats (headrest), power sliding

doors, sunroofs, garage door open-

ers.

l Logic level (High or Low) signal

for direction output

l Magnetic encoding for electronic

steering systems

l Temperature compensated mag-

netics

l Motion control sytems for pulleys

and belts

l Functionality of two discrete Hall

sensors and logic circuitry out-

puts

l Symmetry of operate/release

points about zero gauss

(bipolar/latching)

l Position and velocity detection

l Fan control

l Rotating shaft monitoring

l Linear displacement sensing (using

a magnetic strip of alternating

poles)

l Low current consumption

l Wide operating voltage range

GENERAL DESCRIPTION

The Speed & Direction Hall-effect sensor has two distinct Hall sensing elements

precisely located 1.4 mm apart on a single integrated circuit chip, which is then

encapsulated in a thermoset molding material. Two active Hall latches provide

indication of the speed and direction of a magnetic gradient across the face of

the package, such as the gradient from a rotating ring magnet. The small, 4-pin

SOT89 style package surface mounts on PC boards and flexible circuits.

Built-in temperature compensation is optimized to match the temperature coeffi-

cient of low cost magnets and track their performance over temperature.

Latching magnetics are standard for reliable operation.

A novel regulator circuit provides extremely stable operation with supply volt-

ages as low as 3.4 Vdc and as high as 24 Vdc. A typical room temperature cur-

rent consumption of 7.5 mA helps conserve power in battery operation. SS520

series sensors can use existing power supply sources in most applications, and

can be directly interfaced with many electronic components without buffering or

compensation circuitry.

CAUTION

WAVE SOLDER DAMAGE

DO NOT wave solder this product.

Wave soldering may negatively affect the sensor performance and reliability.

Subjecting the sensor to wave soldering will void Honeywell’s warranty.

Failure to comply with these instructions may result in product damage.

NOTICE

Interruption of power to a latching device may cause the output to change

state when power is restored. If a magnetic field of sufficient strength is pres-

ent, the sensor output will be in the condition dictated by the magnetic field.

Sensing and Control

12 3 4

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