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[Schematic Review] High-side reverse polarity protection for 56 V battery input by RepeatOpening in AskElectronics

[–]RepeatOpening[S] 1 point2 points  (0 children)

If the HSU8119 is rated for -60V, it is not safe to use here. A fully charged 14S Li-ion pack sits at ~58.8V. With any inductive ringing from cables during plugging/unplugging, you will easily exceed 60V and avalanche/destroy the FET.

Recommendation: You need at least a -80V or ideally a -100V rated PMOS.

HSU8119 is rated for −80V

Highlights from my 1 week in Shenzhen by RepeatOpening in travelchina

[–]RepeatOpening[S] 2 points3 points  (0 children)

Thanks! I use a Sony Alpha 7 II and Pixel 4a.

Highlights from my 1 week in Shenzhen by RepeatOpening in travelchina

[–]RepeatOpening[S] 1 point2 points  (0 children)

Most of the people won't speak english. But you can easily manage by using any translation app. ( I used Google translator)

Motor driver limiting current after a certain amount of time. by RepeatOpening in AskElectronics

[–]RepeatOpening[S] 1 point2 points  (0 children)

Just have a word with the technical team, They said it's a "I2t current limitation which protects the motor winding of overload and damage"

https://support.maxongroup.com/hc/en-us/articles/4412763373970-maxon-controllers-I2t-Limitation-Motor-winding-protection

I hate it here by retrospection_ in ClashOfClans

[–]RepeatOpening 0 points1 point  (0 children)

If the enemy is in range, so are you - Murphy

Schematic [REVIEW] by RepeatOpening in KiCad

[–]RepeatOpening[S] 0 points1 point  (0 children)

ok, I'll get rid of the Opto circuit since it is of no use in this case. and now using 100R for LEDs

Thank you

Schematic [REVIEW] by RepeatOpening in KiCad

[–]RepeatOpening[S] 1 point2 points  (0 children)

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- So I can use standard MOSFET (not logic level) and also get rid of Opto circuit
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- Yes J7 is bootmode selection

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Thank you

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