Power Consumption (ESP32-S2)

Power Modes

 

Power mode 

Nom. Value

Unit

Modem-sleep (CPU is running, All Peripherals Clocks Enabled, 240MHz ) 

32

mA

Modem-sleep (CPU is running, All Peripherals Clocks Disabled, 240MHz ) 

23

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Enabled, 240MHz ) 

28

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Disabled, 240MHz ) 

20

mA

Modem-sleep (CPU is running, All Peripherals Clocks Enabled, 160MHz ) 

24

mA

Modem-sleep (CPU is running, All Peripherals Clocks Disabled, 160MHz ) 

16

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Enabled, 160MHz ) 

21

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Disabled, 160MHz ) 

14

mA

Modem-sleep (CPU is running, All Peripherals Clocks Enabled, 80MHz ) 

20

mA

Modem-sleep (CPU is running, All Peripherals Clocks Disabled, 80MHz ) 

12

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Enabled, 80MHz ) 

18.4

mA

Modem-sleep (CPU is idle, All Peripherals Clocks Disabled, 80MHz ) 

10.5

mA

Light-sleep (VDD_SPI and Wi-Fi are powered down, and all GPIOs are high-impedance)

750

µA

Deep-sleep (ULP-FSM)

170

µA

Deep-sleep (The ULP co-processor is powered on2 , ULP-RISC-V)

190

µA

Deep-sleep (ULP sensor-monitored pattern)

22

µA

Deep-sleep (RTC timer + RTC memory)

25

µA

Deep-sleep (RTC timer only ) 

20

µA

Power off 

1

µA

 

RF Communication (Wi-Fi)

 

Communication Mode  

Peak

Unit

Transmitter (802.11b, 20 MHz, 1 Mbps, @19.5 dBm) 

310

mA

Transmitter (802.11g, 20 MHz, 54 Mbps, @15 dBm ) 

220

mA

Transmitter (802.11n, 20 MHz, MCS7, @13 dBm)

200

mA

Transmitter (802.11n, 40 MHz, MCS7, @13 dBm ) 

160

mA

Receiver (802.11b/g/n, 20 MHz )

63

mA

Receiver (802.11n, 40 MHz) 

68

mA

 

*The current consumption figures for in RX mode are for cases when the peripherals are disabled and the CPU idle. 

*The current consumption measurements are taken with a 3.3 V supply at 25 °C of ambient temperature at the RF port. All transmitters’ measurements are based on a 100% duty cycle.