Allegro MicroSystems ATS672LSB Gear-Tooth Sensor Datasheet

The product is a digital gear tooth sensor with self-calibration function and 9-bit signal capture. It can provide zero-speed performance.


Allegro MicroSystems ATS672LSB Gear-Tooth Sensor Datasheet - cover page
Brand
Allegro
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
12
File format
PDF
File size
250 KB
Published
11 July, 2012
Updated
30 September, 2023
MD5 checksum
4E0C8C455D836E60A48046AD61D4524B

About this manual

The ATS672LSB is a self-calibrating true zero-speed gear-tooth sensor with 9-bit signal capture, optimized for cam applications. It features a single-chip solution with an over-molded package containing a samarium cobalt magnet, a pole piece, and a true zero-speed Hall IC. The device is designed to provide tight timing accuracy over temperature and true zero-speed operation independent of air gap.

What's inside

  • Pin Out Diagram
  • Absolute Maximum Ratings
  • Operating Characteristics
  • Switch Point Characteristics
  • Timing Accuracy
  • Reference Target Dimensions
  • Gear Parameters
  • Mechanical Information
  • Device Qualification Program

Specifications

Supply Voltage3.3 to 26.5 V
Reverse Supply Voltage-18 V
Continuous Output Current20 mA
Storage Temperature-65 to 170°C
Maximum Junction Temperature170°C
Bandwidth40 kHz
Operate Point+30 %
Release Point+40 %

Frequently asked questions

What is the operational air gap range for the ATS672LSB?

The operational air gap range for output switching is 0.5 mm to 2.25 mm.

What are the minimum dimensions for the reference target?

The reference target requires a diameter of 12.0 mm, thickness of 6.0 mm, and tooth/valley width of 23.6 mm.

Does the ATS672LSB support true power-on sensing?

Yes, the device includes TPOS (true power on state) capability in specific versions like the ATS672LSB-LT and ATS672LSB-HT.

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