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# Power Consumption (ESP32-S2)

## Operating Modes

| Operating Mode                                                        | Nom. Value | Unit |
| --------------------------------------------------------------------- | :--------: | :--: |
| Modem Sleep (CPU active, Freq = 240 MHz, all RTC peripherals active)  |     32     |  mA  |
| Modem Sleep (CPU active, Freq = 240 MHz, all RTC peripherals passive) |     23     |  mA  |
| Modem Sleep (CPU idle, Freq = 240 MHz, all RTC peripherals active)    |     28     |  mA  |
| Modem Sleep (CPU idle, Freq = 240 MHz, all RTC peripherals passive)   |     20     |  mA  |
| Modem Sleep (CPU active, Freq = 160 MHz, all RTC peripherals active)  |     24     |  mA  |
| Modem Sleep (CPU active, Freq = 160 MHz, all RTC peripherals passive) |     16     |  mA  |
| Modem Sleep (CPU idle, Freq = 160 MHz, all RTC peripherals active)    |     21     |  mA  |
| Modem Sleep (CPU idle, Freq = 160 MHz, all RTC peripherals passive)   |     14     |  mA  |
| Modem Sleep (CPU active, Freq = 80 MHz, all RTC peripherals active)   |     20     |  mA  |
| Modem Sleep (CPU active, Freq = 80 MHz, all RTC peripherals passive)  |     12     |  mA  |
| Modem Sleep (CPU idle, Freq = 80 MHz, all RTC peripherals active)     |    18.4    |  mA  |
| Modem Sleep (CPU idle, Freq = 80 MHz, all RTC peripherals passive)    |    10.5    |  mA  |
| Light Sleep (Wi-Fi and SPI power off, all I/O pins high impedance)    |     750    |  µA  |
| Deep Sleep (ULP active, ULP-FSM)                                      |     170    |  µA  |
| Deep Sleep (ULP active, ULP-RISC-V)                                   |     190    |  µA  |
| Deep Sleep (ULP periodically active, 1% duty cycle)                   |     22     |  µA  |
| Deep Sleep (RTC timer, RTC memory)                                    |     25     |  µA  |
| Deep Sleep (RTC timer)                                                |     20     |  µA  |
| Power Off                                                             |      1     |  µA  |

* In Modem Sleep modes, power consumption may increase depending on flash access.
* In Deep Sleep (ULP active) modes, while the ULP coprocessor is running, internal peripherals such as GPIO and I2C can continue their operational activities.

## RF Communication Modes (Wi-Fi)

| Communication Mode                                      | Peak Value | Unit |
| ------------------------------------------------------- | :--------: | :--: |
| Transmitter (802.11b, 20 MHz, 1 Mbps, POUT = +19.5 dBm) |     310    |  mA  |
| Transmitter (802.11g, 20 MHz, 54 Mbps, POUT = +15 dBm)  |     220    |  mA  |
| Transmitter (802.11n, 20 MHz, MCS7, POUT = +13 dBm)     |     200    |  mA  |
| Transmitter (802.11n, 40 MHz, MCS7, POUT = +13 dBm)     |     160    |  mA  |
| Receiver (802.11b/g/n, 20 MHz)                          |     63     |  mA  |
| Receiver (802.11n, 40 MHz)                              |     68     |  mA  |

* All measurements were performed at an ambient temperature of 25 °C with a 3.3 V supply voltage.
* Transmitter mode measurements were conducted at a 100% duty cycle.
* During receiver mode measurements, all peripherals were disabled and the CPU was idle.