ESP32 C6 ZigBee: Sleep Mode

[rabistel]

Hello everyone,

I'm working with an ESP32‑C6 Zero (Waveshare) and my goal is to keep the device in sleep mode most of the time to save battery power.

In my test code I configured all supported power domains to ESP_PD_OPTION_OFF before calling esp_deep_sleep_start(). The minimum current draw I measure is about 667 µA, powering the module directly at 3.3 V (without LDO).

Could anyone confirm if this current consumption is expected for the ESP32‑C6 Zero module design? Or should I be able to reach the datasheet values in the tens of µA range (like the bare ESP32‑C6 chip)?

Any insights or experiences with this module would be greatly appreciated.

Thanks!

`#include "esp_sleep.h"
#include "driver/rtc_io.h"
#include <esp_sleep.h>

void setup() {
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_OFF);
//esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_SLOW_MEM, ESP_PD_OPTION_OFF); //not supported
//esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_FAST_MEM, ESP_PD_OPTION_OFF); //not supported
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL32K, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_RC32K, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_RC_FAST, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_CPU, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_VDDSDIO, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_MODEM, ESP_PD_OPTION_OFF);
esp_sleep_pd_config(ESP_PD_DOMAIN_TOP, ESP_PD_OPTION_OFF);
//esp_sleep_pd_config(ESP_PD_DOMAIN_CNNT, ESP_PD_OPTION_OFF); //not supported
esp_sleep_pd_config(ESP_PD_DOMAIN_MAX, ESP_PD_OPTION_OFF);
delay(1000);
esp_deep_sleep_start();
}

void loop() {}
`