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Low power opt #538

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@cameled cameled commented Nov 30, 2025 •
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Progress:

  1. vddio drop to 200uA, (original 300~400uA) [11/30]
  2. After remove uart connection, vddio drop 9uA(from 200uA) [11/30]
  3. Just remove uart connection is ok, vddio drop to 19uA.[12/01]

After add Display back, low power current is about 350uA. [12/10]

@cameled cameled force-pushed the low_power_opt branch 2 times, most recently from a0d2f1b to df34a3b Compare December 9, 2025 16:49
@cameled cameled requested a review from gmarull December 9, 2025 16:49
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gmarull commented Dec 10, 2025 •
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My measurements (DVT, battery terminals, ./waf configure --board obelix_dvt --release, ./waf build, airplane mode on (no BLE))

image

@cameled
fw/board: obelix psram init
cd7861a 
with psram init, SW_VSIP_1V8 is ~90uA. with psram off, SW_VSIP_1V8 is 0.

Signed-off-by: HaiLong Yang <cameled@outlook.com>
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cameled commented Dec 11, 2025

My measurements (DVT, battery terminals, ./waf configure --board obelix_dvt --release, ./waf build, airplane mode on (no BLE))
image

I just turn off the psram, please help to check the new one. low power current have a significant change.

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