HAL5XY 查看數據表（PDF） - Micronas

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HAL5XY

Multipurpose Hall-Effect Sensor Family

Micronas 

PRODUCT INFORMATION

HAL 5xy

Sept/2006

Available Types and Switching Behavior

Features HAL 501 HAL 502 HAL 503 HAL 504 HAL 505 HAL 506 HAL 508 HAL 509 HAL 516 HAL 519 HAL 523

Switching bipolar

Behavior

latching

latching

unipolar

latching

unipolar

unipolar

unipolar

unipolar

with

inverted

output

unipolar

with

inverted

output

(north

polarity)

unipolar

Sensitivity very high high

medium medium low

high

medium low

high

high

low

System Architecture

The HAL 5xy sensors are monolithic inte-

grated circuits which switch 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 increases

the supply voltage of the Hall plates and

adjusts the switching points to the decreas-

ing induction of magnets at higher tempera-

tures. If the magnetic field exceeds the

threshold levels, the open drain output

switches to the appropriate state. The built-

in hysteresis eliminates oscillation and pro-

vides switching behavior of the output with-

out bouncing.

VDD

1

GND

2

Reverse

Voltage &

Overvoltage

Protection

HAL 5xy

Temperature

Dependent

Bias

Hysteresis

Control

Short Circuit &

Overvoltage

Protection

Hall Plate

Switch

Comparator

Output

OUT

3

Clock

Fig. 1: Block diagram of the HAL 5xy

All information and data contained in this product information are without any commitment, are not to be consid-

ered as an offer for conclusion of a contract, nor shall they be construed as to create any liability. Product or

development sample availability and delivery are exclusively subject to our respective order confirmation form. By

this publication, Micronas GmbH does not assume responsibility for patent infringements or other rights of third

parties which may result from its use.

No part of this publication may be reproduced, photo-

copied, stored on a retrieval system, or transmitted

without the express written consent of Micronas GmbH.

Edition Sept. 26, 2006; Order No. 6251-712-1PI

Micronas GmbH ⋅ Hans-Bunte-Strasse 19 ⋅ D-79108 Freiburg (Germany) ⋅ P.O. Box 840 ⋅ D-79008 Freiburg (Germany)

Tel. +49-761-517-0 ⋅ Fax +49-761-517-2174 ⋅ E-mail: docservice@micronas.com ⋅ www.micronas.com

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