ATS632LSA View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

Manufacturer

ATS632LSA

ZERO-SPEED, SELF-CALIBRATING, NON-ORIENTED, HALL-EFFECT GEAR-TOOTH SENSOR

Allegro MicroSystems 

ATS632LSA

HALL-EFFECT

GEAR-TOOTH SENSOR

SUBASSEMBLY

OPERATION over operating voltage and temperature range with reference target (unless oth-

erwise specified).

Limits

Characteristic

Symbol Test Conditions

Min.

Typ.

Max.

Units

Operating Air Gap Range

AG

Operating,

Target Speed > 20 RPM

0.3

–

2.5

mm

Output Polarity

–

Operating, Over Tooth

Low

Low

Low

–

Operating, Over Valley

High

High

High

–

Timing Accuracy

tθ

Target Speed < 3500 RPM,

0.3 mm ≤ AG ≤ 2.0 mm

–

±0.25

±0.50

°

TARGET DESIGN CRITERIA

Characteristic

Valley Depth

Valley Width

Tooth Width

Thickness

Eccentricity

Symbol

ht

(PC - T)

T

F

–

Description

Timing accuracy may change

Min.

–

–

–

–

–

Limits

Typ.

Max.

5.0

–

5.0

–

5.0

–

5.0

–

–

±0.25

Units

mm

mm

mm

mm

mm

TARGET DIMENSIONS

Type

Reference Target

Characterization Target #1

Characterization Target #2

Diameter

(Do)

84 mm

84 mm

35 mm

Thickness

(F)

16 mm

16 mm

7 mm

Tooth Width

(T)

9 mm

Valley Width

(PC - T)

13 mm

1 tooth, 180°

1 tooth, 180°

NOTE: Timing accuracy data is taken by recalibrating the unit at each air gap.

Valley Depth

(ht)

5 mm

5 mm

6 mm

115 Northeast Cutoff, Box 15036

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

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