参数资料
型号: ATS616LSG
厂商: Allegro MicroSystems, Inc.
英文描述: Dynamic Self-Calibrating Peak-Detecting Differential Hall Effect Gear Tooth Sensor
中文描述: 动态自校准峰值检测差动齿轮齿霍尔效应传感器
文件页数: 4/14页
文件大小: 444K
代理商: ATS616LSG
4
ATS616LSG-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Dynamic Self-Calibrating Peak-Detecting Differential Hall Effect Gear Tooth Sensor
ATS616LSG
REFERENCE TARGET 60+2
Characteristics
Symbol
Test Conditions
Typ.
Units
Symbol Key
Outside Diameter
D
o
Outside diameter of target
120
mm
tt
SG
t
V
D
O
h
t
F
Branded Face
of Sensor
Air Gap
Face Width
F
Breadth of tooth, with respect
to sensor
Length of tooth, with respect
to sensor; measured at D
o
Length of signature tooth,
with respect to sensor; mea-
sured at D
o
Length of valley, with respect
to sensor; measured at D
o
6
mm
Circular Tooth Length
t
3
mm
Signature Region Cir-
cular Tooth Length
t
SIG
15
mm
Circular Valley Length
t
v
3
mm
Tooth Whole Depth
h
t
3
mm
Material
Low Carbon Steel
Reference Target
60+2
Signature Region
of Sensor
Branded Face
Pin 4
Pin 1
Reference Target (Gear) Information
For the generation of adequate magnetic field levels, the fol-
lowing recommendations should be followed in the design and
specification of targets:
2 mm < tooth width, t < 4 mm
Valley width, t
v
> 2 mm
Valley depth, h
t
> 2 mm
Tooth thickness, F
3 mm
Target material must be low carbon steel
Although these parameters apply to targets of traditional
geometry (radially oriented teeth with radial sensing, shown in
figure 1), they also can be applied in applications using stamped
targets (an aperture or rim gap punched out of the target mate-
rial) and axial sensing. For stamped geometries with axial sens-
ing, the valley depth, h
t
, is intrinsically infinite, so the criteria for
tooth width, t, valley width, t
v
, tooth material thickness, F, and
material specification need only be considered for reference. For
example, F can now be < 3 mm.
Figure 1. Configuration with Radial-Tooth Reference Target
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