Motor load on 20XS4200, Auto-retry feature

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Motor load on 20XS4200, Auto-retry feature

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medhedibasly
Contributor III

Hello,

i'm using 20XS4200 dual switch to drive a motor load or a Bulb load. i want to implement the auto-retry feature in order to protect my HW.

according to reference manual of the 20XS4200 circuit to activate the Auto-retry feature i need to update the retry_s bit in the RETRYR register with the correct value according to CONF[x] pin.

pastedImage_1.png

the behavior i got is that the auto retry works only with bulb load.

Used Configuration is:

- retry_s set to 0 when CONF = 0 ==> Bulb Load      ==> Auto retry works fine

- retry_s set to 1 when CONF = 1 ==> Motor Load    ==> Auto retry do not work, the output is turned down for good from the first time.

any help would be appreciated. thanks in advance.

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TomasVaverka
NXP TechSupport
NXP TechSupport

It is identical to the internal case #00149494, which has already been answered.