https://devzone.nordicsemi.com/f/nordic-q-a/44956/when-open-the-saadc-it-cannot-be-closed-in-the-low-powerHi I open the SAADC to get the battery after initial the SAADC, using nrf_drv_saadc_sample_convert to get the ADC data . After nRF52832 is initialed, it enter power_manage, but the cutrrent cannot enter low power(about 6.8mA),because the SAADC cannoten-USTelligent Community 13Wed, 27 Mar 2019 11:47:38 GMThttps://devzone.nordicsemi.com/thread/178643?ContentTypeID=1Wed, 27 Mar 2019 11:47:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf2d4537-f6a9-4c74-a382-b9d43c892236Stian R&#248;ed Hafskjold<p>Have you tried the lower power mode? NRFX_SAADC_CONFIG_LP_MODE in sdk_config.h</p> <p>I can&#39;t see why you would only get high current when you are using float, but 6.8mA indicates to me that the CPU is still running. The ADC would not prevent the CPU from going to sleep, so maybe you end up in an error handler? Have you checked the err_code variable? You should also check the value returned by <span></span>nrf_drv_saadc_sample_convert.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/176835?ContentTypeID=1Tue, 19 Mar 2019 01:42:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:43e4f495-be34-4259-b817-d905b81574b0libailiang<p>The key is as following:</p> <p>During the processing of ADC, I activated the floating point unit. If I cannot use the float var, the power problem&nbsp;could be&nbsp;solved.</p><div style="clear:both;"></div>