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Home/Questions/Q 2976
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nidhi singh
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nidhi singh
Asked: October 14, 20222022-10-14T10:35:16+05:30 2022-10-14T10:35:16+05:30In: Wireless Connectivity

ESP32-S3 Current Consumption with Radio Disabled

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Hello,

I want to use ESP32- S3 for a device that makes no use of WiFi announcement Bluetooth, so I will keep them disabled. My question is what would be the expected current draw with the radio disabled? Trying to figure out my power supply conditions.

Thanks

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    1. Alex thomas
      2022-10-17T09:44:29+05:30Added an answer on October 17, 2022 at 9:44 am

      Hi, You can find this information in the ESP32- S3 datasheet, Table 4- 9" Current Consumption in Modem- sleep Mode".( Modem- sleep mode is the mode where the radios( modems) are turned off. That is your case.) The numbers range from 13mA to 107mA, depending on the CPU frequence, which peripherals arRead more

      Hi,

      You can find this information in the ESP32- S3 datasheet, Table 4- 9″ Current Consumption in Modem- sleep Mode”.( Modem- sleep mode is the mode where the radios( modems) are turned off. That is your case.)
      The numbers range from 13mA to 107mA, depending on the CPU frequence, which peripherals are enabled, and what the CPUs are doing. For example, if the CPU frequency is 80 MHz and both cores are running, the current consumption would be in the range of 33 to 47 mA.

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