Battery Gauge bq27510-G3

Hi
Pls refer to the technical reference manual for the device. It is very detailed and contains all the information you seek. Make sure your thermistor is connected properly.

thanks
Onyx

Hi,

   i referred that manual and wrote following code for changing WRTEMP  ,but not working properly 

//unseal

unsigned char t[]={0x00,0x14,0x04};

i2c_write(slaveaddr_bat,3,t);
t[1]=0x72;
t[2]=0x36;
i2c_write(slaveaddr_bat,3,t);

///BlockDataControl
unsigned char t[]={0x61,0x00};
i2c_write(slaveaddr_bat,2,t);

//DataFlashClass

unsigned char t[]={0x3E,0x40};

i2c_write(slaveaddr_bat,2,t);
t[0]=0x3F;
t[1]=0x00;
i2c_write(slaveaddr_bat,2,t);

//read old value
off[0]=0x40+11;
i2c_read(slaveaddr_bat,1,Old_value,off);
off[0]=0x60;

//read old checksum
i2c_read(slaveaddr_bat,1,Old_checksum,off);

//write new value 0xCE
off[0]=0x40+11;
off[1]=0xCE;
i2c_write(slaveaddr_bat,2,off);

temp = (255-(Old_checksum[0]-Old_value[0]))&0x00FF;
New_checksum = 255-(temp+value)&0x00FF;

//write new checksum
unsigned char t[2]={0x60,New_checksum};
i2c_write(slaveaddr_bat,2,t);

Reset_Gauge();
Bat_Seal();

whether delay needed after DataFlashClass and checksum,and where am going to read battery full battery low information

Hi Yamaliakab,
Try introducing a 250 ms delay to see if that helps.

the FC bit in the flag register could be used for battery full indication. The SOC1 bit in the flag register can be configured to a battery low threshold where it gets set

thanks
Onyx