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# Power Consumption (ESP32-S2)

## Operating Modes

| Operating Mode                                                         | Nominal 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 inactive) |       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 inactive)   |       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 inactive) |       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 inactive)   |       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 inactive)  |       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 inactive)    |      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 memory access.
* In Deep Sleep (ULP active) modes, while the ULP coprocessor is running, internal peripherals such as GPIO and I2C may continue operating.

## RF Communication Modes (Wi-Fi)

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

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