There is a feature when the Hall Sensor turns on it gives a pulse during t_on. Is there a way to get rid or have some kind of low pass filter to avoid this pulse?
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There is a feature when the Hall Sensor turns on it gives a pulse during t_on. Is there a way to get rid or have some kind of low pass filter to avoid this pulse?
Gee Won, we do have a new device coming out in about 3 months.
Best regards,
RE
According to the offline discussion, a proposed solution was to delay powering on the Hall device until after the 9-12 msec pulse has finished. Two delay circuits were discussed. The first circuit delays and then has a sharp rise for powering on the device, as shown below.
The second delay circuit was discussed to save space on the board, but does not have as fast of a rise in for powering on the device, as shown below. Also, different resistor and capacitor values will be needed based on your specific Mosfet/BJT.
It is good to note that if space is available you could add resistors in the positions of R2 and R6 from the first design to the second design for robustness, but you should be fine without them.