Hi - I'd like to take some measurements of the Solar Explorer charging up a 6 V battery, and discharging through a string of LEDs. I'm aware that the software I got from C:\ti\controlSUITE\development_kits\SolarExplorer_v1.1\SolarExplorer_PVBattChg_F2803x\ is designed for a 12 V battery, and it says to use an LED string that can take 30 V - I'm not keen to put more than 10 V, maybe 12 V through my string. So I'd like to check what I need to change in the software to be able to do this safely:
I have halved all the values in this section of SolarExplorer-Settings.h (lines 51 - 57):
#define VBATT_V1 _IQ10(5.25) // usually 10.5
#define VBATT_V2 _IQ10(7.2) // usually 14.4
#define VBATT_REF _IQ24(7.0/VBATT_MAX_SENSE) // usually 14.0
#define VBATT_V3 _IQ10(6.75) // usually 13.5
#define VBATT_V4 _IQ10(7.6) // usually 15.1
#define VBATT_MIN_LEDDRIVING _IQ10(6.0) // usually 12.0
And I tested my LEDs and see that around 0.1 A goes through them when powered at 10 V (from a DC PSU). Now, on line 1176 of SolarExplorer-Main.c it says
IboostSwRef=_IQ24(0.1);
Does that mean I should be ok without modifying anything else? If the LEDs are driven at 0.1 A, then the voltage across them shouldn't exceed about 10 V, right? In the documentation it says there's a thing that limits Vboost to Vboost_max for safety - but I can't find where this is in the code. It would give me peace of mind if I could find it and if necessary change Vboost_max to something lower.
Please let me know before I blow something up! (Also, I have no formal training in electronics, so please speak simply to me - thanks!)
