Self-Calibrating TPOS Gear Tooth Sensor Optimized

for Automotive Cam Sensing Applications

ATS673 and

ATS674

15

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

Sensor Evaluation: EMC

Characterization Only

Test Name*

Reference Specification

ESD – Human Body Model

AEC-Q100-002

ESD – Machine Model

AEC-Q100-003

Conducted Transients

ISO 7637-1

Direct RF Injection

ISO 11452-7

Bulk Current Injection

ISO 11452-4

TEM Cell

ISO 11452-3

*Please contact Allegro for EMC performance

Accuracy

While the update algorithm will allow the sensor devices to

adapt to typical air gap variations, major changes in air gap can

adversely affect switching performance. When characterizing

sensor performance over a significant air gap range, be sure to

Related Documents

Documents that can be found on the Allegros web site,:

www.allegromicro.com:

• Definition of Terms (Pub 26004)

• Hall-Effect Devices: Soldering, Gluing, Potting, Encapsulating,

and Lead forming (AN27703.1)

• Storage of Semiconductor Devices (Pub 26011)

• Hall Effect Applications Guide (Pub 27701)

• Applications Note: Back-Biased Packaging Advances (SE, SG

& SH versus SA & SB)

repower the device at each test at different air gaps. This ensures

that self-calibration occurs for each installation condition.

See the Operating Characteristics table and the charts in the

Characteristic Data: Relative Timing Accuracy section for

performance information.