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Hardware: Evaluate the need of zener on DS2777G+ (Battery monitor IC) I2C bus #161

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vinepb opened this issue May 29, 2022 · 1 comment
Open

Hardware: Evaluate the need of zener on DS2777G+ (Battery monitor IC) I2C bus #161

vinepb opened this issue May 29, 2022 · 1 comment
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bug Something isn't working ds2777g DS2777G+ hardware schematics Schematics
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EPS 2

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@vinepb
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vinepb commented May 29, 2022 •
edited by andrempmattos

Current layout has one zener on SDA.
Both SDA and SCL shall use zener or neither, after further evaluation.
@vinepb vinepb added hardware ds2777g DS2777G+ schematics Schematics bug Something isn't working labels May 29, 2022
@vinepb vinepb added this to To do in EPS 2 May 29, 2022
@vinepb vinepb assigned vinepb and unassigned vinepb Jul 28, 2022
@joaoclaudioeb
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If we want some extra protection, it is interesting to add Zener diodes to the I²C buses. But, it isn't necessary.

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bug Something isn't working ds2777g DS2777G+ hardware schematics Schematics
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