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