BQ76952: how to Fix the Issue of CC Gain/Capacity Gain in BQ76952

Hi TI Support Team,

Actually we are facing below problem:

1. When we are using the current sense  Rsense register   of .5mOhm(i.e 1/2 milli ohm) in BQ76952 Device . then i can only able to read the value of current CC3 just half of current loaded.

  suppose,  we are charging/discharging BQ76952 device with 4A current in actual by  DC Charger/DC Load, and read the current CC3 value 2A only why?

Activity Done to resolved the Issue:-

For CC Gai settings:

1.Calibration:Current:CC Gain = 7.4768 / (Rsense in mOhm),

                                                   7.4768/.5mOhm=14.9536

                                                  Hex value= 0x416F41F2(14.9536)

2. Write 4- byte CC Gain  data at   0x91A8

TX_4Byte[0]=0xF2;//LSB Byte
TX_4Byte[1]=0x41; 
TX_4Byte[2]=0x6F;
TX_4Byte[3]=0x41;//MSB Byte

For Capacity Gain Setings:

1. Calibration:Current:Capacity Gain = Calibration:Current:CC Gain x 298261.6178 =(CC Gain=14.9536)*298261.6178  =4460084.92793408

                                          Hex value=0x4A881C6A     

2. Write 4 - byte capacity gain data at 0x91AC

TX_4Byte[0]=0x6A;//LSB
TX_4Byte[1]=0x1C;
TX_4Byte[2]=0x88;
TX_4Byte[3]=0x4A;//MSB

For Calibration:Current Offset: Settings  

1. Write data at 0x91C6  for Current Offset: Coulomb Counter Offset Samples

TX_2Byte[0]=0x40;//value LByte:
TX_2Byte[1]=0x00;//value HByte:

2. Write data at 0x91C8 for Current Offset: Board Offset

TX_2Byte[0]=0x00;//LSB
TX_2Byte[1]=0x00;//MSB

Note : - I have checked the Above commands are properly read/Write correctly.

Please guide us where we commit mistakes.

Regards,,

Pankaj