ATS672LSB
SELF-CALIBRATING TPOS GEAR-TOOTH SENSOR WITH 9-BIT SIGNAL CAPTURE
Preliminary – Subject to Change
Reference Target Dimensions
Diameter
(Do)
Thickness
(F)
Tooth Width
(T)
Valley Width
(PC – T)
Valley Depth
(ht)
Target
Reference Target
120 mm
6.0 mm
23.6 mm
23.6 mm
5.0 mm
Reference Target
Reference Target Dimensions
GEAR PARAMETERS FOR CORRECT TPOS OPERATION
Characteristic
Description
Limits
Min.
5.0
13
5.0
5.0
Typ.
Max.
Units
mm
Valley Depth (ht)
Depth of target valley
Length and width of target valley
Width of target tooth
-
-
-
-
-
-
-
-
Valley Width (PC – T)
Tooth Width (T)
Thickness (F)
mm
mm
Thickness or length of target tooth
mm
1MATERIAL PROPERTIES: CRS 1018
1 The target must generate a minimum of 120 gauss difference between the tooth field and the valley field at the Maximum Installation
Air Gap. With the materiel and dimensions mentioned above the target will generate the required 120 gauss.
Rev. 1.2 May 1, 2002
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1993, 1995 Allegro MicroSystems, Inc.
Page 7 of 12
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