Hello
I’m trying out the new nRF52832 (QFAA-AA0) with preview kit pca10036. I have S132 softdevice installed and running the beacon example from SDK 0.9.0 which appears to be identical to the nRF51 application from SDK 8.x.
Issue 1: The nRF52x consumes 12uA more current compared to nRF51x on the PCA10028 kit running the same application. In both cases I have modified the application for advertising set at 450ms with BSP/LEDs off. The exact figures are nRF51 = 49uA averaged (7mA pk) and nRF52 = 61uA averaged (6.2mA pk).
An extra 12uA is fairly substantial but I can’t see anything in the errata that would explain this.
Issue 2: Attempting to enable the DCDC converter with sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE) results in high current consumption of 252 uA though I can see that the peak current has reduced to about 4.1 mA. The device still functions.
On the PCA10028 the device runs at 42uA with DCDC enabled (IC rev 3, S110 v8.0.0).
Again, I can’t see anything in the errata that would explain this.
Any ideas?
PS: Current readings done with Keysight 34450A multimeter.
code:
