SX-4431 - BI Technologies

SX-4431
LH3 Steering Sensor with Torque
and Multi-turn Position Output
The LH3 torque and position sensor
is ideally suited for demanding
Electric Power Steering systems.
ELECTRICAL1
Torque Signal Linearity
±3%
Torque Hysteresis
0.5% maximum
Torque Signal Microgradient
±30% of theoretical slope over 0.4° interval
Torque Sensed Angle
±8
Position Signal Linearity (P1, P2)
±1.5%
Position Signal Microgradient (P1, P2)
±30% of theoretical slope over 2° interval
Multi-turn Position Accuracy (P3)
±3%
Multi-turn Position Sensed Angle
±720°
Total Resistance
420 Ω ±30%
MECHANICAL
Torque Mechanical Travel
±11.4°
Position Mechanical Travel
Continuous
Turning Torque (rotor to rotor)
0.03 NM maximum
Turning Torque (position rotor to housing)
0.06 NM maximum
Weight
95 grams maximum
ENVIRONMENTAL
Operating Temperature Range
-40°C to +85°C
Shock
14 ms half-sine at 300 m/s2
Vibration
10 to 55 Hz with 1 mm P-P constant displacement, 120 hours each of 3 planes
Torque Rotational Life
1 million cycles
Position Rotational Life
1 million cycles
Storage Temperature Range
1
-40°C to +105°C
RoHS 2
Pb compliant
Specifications subject to change without notice.
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
January 28 2015
Website: www.bitechnologies.com
SX-4431 page 1 of 4
SX-4431
OUTPUT CHARTS
Typical Position Outputs
100%
90%
80%
Outputs (% of Vp)
70%
60%
P1
50%
P2
P3
40%
30%
20%
10%
0%
-900 -810 -720 -630 -540 -450 -360 -270 -180
-90
0
90
180
270
Angle of position rotor
360
450
540
630
720
810
900
CW direction ->
Typical Torque Outputs
100%
90%
% of Input Voltage
80%
70%
60%
T1
T2
50%
40%
30%
20%
10%
CW direction ->
0%
-10
-8
-6
-4
-2
0
2
4
6
8
10
Relative Rotation Between Position Rotor & Torque Rotor (Degrees)
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
January 28 2015
Website: www.bitechnologies.com
SX-4431 page 2 of 4
SX-4431
OUTLINE DRAWING
Tolerances ±0.25 mm unless otherwise specified. See drawing # 122-4431-80 for details.
PINOUTS
BARCODE LABEL
Code 128 symbology
4431 A Y DDD T SSSS
Model #
BI revision
letter
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
January 28 2015
Website: www.bitechnologies.com
SX-4431 page 3 of 4
Last digit
of year
Tester #
Day of
year
Sequential
serial #
SX-4431
RECOMMENDED INTERFACE
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
January 28 2015
Website: www.bitechnologies.com
SX-4431 page 4 of 4