New White Papers to Better Understand Hall-Effect Sensor Technology Options for Brushless DC Motors

Honeywell today announced the availability of two new white papers to help developers and designers better understand various hall-effect sensor technology options for brushless DC (BLDC) motors used in medical devices, industrial equipment, and HVAC applications.

Honeywell Linear Hall-effect Sensor

Brushless DC motors need to operate more efficiently as energy and cost savings becomes a bigger concern. How To Select Hall Effect Sensors for Brushless DC Motors helps guide developers in selecting the correct bipolar latching Hall-effect sensor IC for electronic commutation in BLDC motors. These tiny ICs play a big role in motor efficiency, which can significantly affect the reliability and performance of many critical applications, including robotics, portable medical equipment and HVAC fans.

Honeywell Sensing and Control has developed a high sensitivity and fast response, latching sensor by using a quad Hall element and proprietary programming, without chopper stabilization. This new design offers several benefits including high sensitivity, repeatability, and fast response time, all of which contribute to a more efficient BLDC motor design.

Comparison Between Non-Chopper Stabilized And Chopper Stabilized Latching Hall-Effect Sensors at http://sensing.honeywell.com/honeywell-sensing-ss460s-non-chopper-stabilzation-white-paper-005961-2-en-lowres-2.pdf compares the results of a low-gauss latch competitive evaluation between Honeywell’s non-chopper-stabilized SS460S latching Hall-effect sensor and five other chopper-stabilized competitor products. Tests include response time, repeatability, and sensitivity to air gap. The results indicate that Honeywell’s SS460S Hall-effect sensor delivers better performance, offering a 10- to 20-microsecond (µs) faster response time, compared to the chopper-stabilized sensor samples.

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