Part Number: BQ27220EVM-744 I succeeded to change Design Capacity from default, 3000 to my battery's 4900 by accessing Data Memory, 0x929f. And when I read Design Capacity using Standard Data Command(0x3C and 0x3D) I could confirm the value was changed…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: GPCCEDV
Hi Team,
I measured a Lithium Polymer battery with BQ27220EVM and acquired 3 pair data from the battery:
hightemp_highrate
hightemp_lowrate
roomtemp_highrate
roomtemp_lowrate
lowt…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: BQ27220 My device consumes over 1200mA. On running my device SOC value of BQ27220 is going down.
After some while SOC reaches 20% and I reboot my device. Right after reboot the SOC shows 7%. …
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: BQ27220 As title SOC (Capacity()) value is too much different bewteen during charging and discharging.
I'm using a battery, actual SOC is around 17%. And test condition is as below.
Test…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: BQ27220 I want chage configuration on RAM. So, I need to check if BQ27220 is in state of POR(Power On Reset) or at after SW Reset.
In TRM, Flags()[ITPOR] can be used. But, I can not find address…
Hello Arthur,
If you are referring to "Fixed EDV "0-2, then it is only used if you want to specify your own custom values.
If you want the gauge to find the optimal value, then set the [CEDV]([EVD_CMP]) bit and set bit [FIXED_EDV0]=0
See TRM…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: EV2400 , BQ27220 , BQSTUDIO Hello,
We would like to integrate the BQ27220EVM with our POC. The EVM datasheets says that the EV2400 is needed to
use this evm. Can this evm be used directly? We…
Part Number: EV2400 Other Parts Discussed in Thread: BQ27220EVM-744 , , BQSTUDIO Hello,
We have bought an EV2400 and want to use it as the interface board for bq27220EVM-744 (based on Figure 1 in " sluubf5.pdf" ). However, EV2400 is not detected as…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: BQSTUDIO , GPCCEDV , BQ27220 , EV2400 It is impossible for me to change parameters in ROM Default. e.g. TEMPS in the Operation Config A.
Value changes to 8484. But when I hit "Write_All" I get…
Part Number: BQ27220EVM-744 Other Parts Discussed in Thread: EV2400 , BQSTUDIO , BQ27426 every time my battery doesn't supply enough power, the bqstudio is crashing. I assume this happens because the fuel gauge stops communicating with the EV2400. I tried…
