Hi TI team,
客户在開發IQA inspection 檢測 和tester, 选用DRV5053VAQDBZR方案,想清楚用什麼標準 coil, waveform和距離來測試. 謝謝.
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Hi Stephen,
Could you please attach a screenshot of the application curve you mentioned above? I don't see where the coil is used.
Magnet selection will depend on the sensitivity selected and mechanical placement requirements for the magnet. Please refer to the implementation guide at the following link.
Linear Hall Effect Sensor Angle Measurement Theory, Implementation, and Calibration
Also, at the link below is a calculator which will help calculate expected output range based on the applied magnetic field strength.
There are tools available online such as FEMM (Finite Element Method Magnetics) which can help simulate magnetic field strength of a magnet. This will help determine the magnetic field of various magnet types at fixed distances. This can then be used in the previously mentioned calculator to determine total expected output range for each sensitivity option.