pmic i2c access in suspend mode (deep sleep mode)

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pmic i2c access in suspend mode (deep sleep mode)

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sbmd_1234
Contributor II

Hi NXP Team,

Can we write a pmic i2c address of (VDD_SOC output voltage) during the time of system is going to suspend mode ?

Or after the system has gone to suspend mode we can write this VDD_SOC pmic i2c address?

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TomasVaverka
NXP TechSupport
NXP TechSupport

Hi Shubham,

Could you please specify which PMIC are you using and your question is related to?

BRs, Tomas

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431 Views
sbmd_1234
Contributor II

Hi 

I am working on PCA9451 PMIC so just wanted to know can we write the i2c address of pmic to set the VDD_SOC during the time of system is going to LPM or after the system gone to LPM.

Thanks.

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TomasVaverka
NXP TechSupport
NXP TechSupport

Hi Shubham,

I would recommend to do it before entering the LPM to ensure all settings are applied correctly and avoid potential communication issues.

BRs, Tomas

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