New Product | Maxic Introduces Dual-Channel High-Sensitivity General-Purpose Gear Sensor： GH1836

With the rapid development of industrial automation, smart manufacturing, and new energy vehicles, rotational speed and direction detection have become the critical functions in various motor control systems. From low-speed vehicles and chain conveyors to forklifts, medical equipment, and other industrial and engineering applications, demand continues to grow for highly reliable and cost-effective gear speed and direction sensing solutions. The ongoing expansion of industrial motors, automated production lines, and engineering vehicle markets is creating broad opportunities for high-performance gear sensors.

Leveraging its technological expertise in magnetic sensing, Maxic officially introduces the next-generation dual-channel high-sensitivity general-purpose gear sensor: GH1836. Combining high reliability with excellent cost-effectiveness, GH1836 is ideally suited for industrial motor encoders, sprocket speed detection, and chain conveyor systems.

GH1836 is a high-sensitivity, dual-channel quadrature output Hall-effect sensor, offering significant advantages such as stable duty cycle, superior chatter immunity, robust electromagnetic interference (EMI) immunity, and wide effective detection range. Supporting an automotive-grade operating temperature range from -40°C to 150°C, GH1836 is well suited for rotational speed and direction detection of gears or magnetic rings in AC induction motors used across smart industrial control, engineering vehicles (such as forklifts and utility vehicles), and medical equipment.

• Wide operating voltage range: 3.8V to 30V DC

• Wide operating temperature range: -40°C to +150°C

•  Differential Hall-Effect sensor architecture for high sensitivity 

•  Dual independent quadrature outputs 

•  Wide effective distance detection (air gap) range 

•  Symmetrical magnetic switching points for stable duty-cycle performance

• Output levels compatible with all logic circuits

• Excellent immunity to mechanical stress and EMI

• Superior chatter immunity to prevent false triggering 

• Available in TO-94 package

■  Wide Voltage and Temperature Range, and Cost-Effective

GH1836 supports a wide input voltage range from 3.8V to 30V, making it compatible with mainstream industrial power rails such as 5V, 12V, and 24V, while eliminating the need for external level shifters. With an operating temperature range from -40°C to +150°C, the sensor is well suited for harsh environments, spanning from cold outdoor conditions to high-temperature areas surrounding motors. While delivering stable and reliable performance, GH1836 also offers outstanding cost competitiveness, helping customers optimize overall system BOM costs.

■  Superior Noise and Chatter Immunity for Stable Outputs

Industrial environments are often exposed to strong sources of electromagnetic interference, including motor start-stop operations, variable-frequency drives, and high-power switches, which can lead to false triggering or signal loss in sensors. GH1836 integrates anti-chatter logic and EMI suppression circuitry, which, together with its differential Hall-effect architecture, effectively filters high-frequency noise and mechanical chatter, ensuring stable and reliable pulse outputs even under harsh operating conditions.

*The test results presented herein were obtained under laboratory conditions. Actual product performance may vary depending on application environments and manufacturing variations. The information provided in this article is for reference only and is subject to change without notice.