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Fix for high power drain after shutdown on Heltec T114. #8800

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Merged
thebentern merged 4 commits into from
Dec 2, 2025
Merged

Fix for high power drain after shutdown on Heltec T114. #8800

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642de69
Commented out the definition of BATTERY_LPCOMP_INPUT in the Helltec T…
rbomze Nov 29, 2025
ad22988
Merge branch 'develop' into drainFix
rbomze Nov 30, 2025
0cb5736
Merge branch 'develop' into drainFix
rbomze Dec 1, 2025
49dac26
Merge branch 'develop' into drainFix
thebentern Dec 1, 2025
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3 changes: 2 additions & 1 deletion variants/nrf52840/heltec_mesh_node_t114/variant.h
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,8 @@ No longer populated on PCB
#define ADC_MULTIPLIER (4.916F)

// rf52840 AIN2 = Pin 4
#define BATTERY_LPCOMP_INPUT NRF_LPCOMP_INPUT_2
// commented out due to power leakage of 2.9mA in shutdown state see reported issue #8801
// #define BATTERY_LPCOMP_INPUT NRF_LPCOMP_INPUT_2 //UNSAFE

// We have AIN2 with a VBAT divider so AIN2 = VBAT * (100/490)
// We have the device going deep sleep under 3.1V, which is AIN2 = 0.63V
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