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BQ76952EVM: BQ76952

Part Number: BQ76952EVM
Other Parts Discussed in Thread: BQSTUDIO

HI I AM WORKING WITH THE EVM 

AND I HAVE THIS SITUATION 

I DONT UNDERTAND WHY THE XCHG AND XDSG are high...

LOG FILE IS ATTACHED.

Tue May 07 15:22:27 IDT 2024

Device Version Info = 7695_0_36
BQZ Device Name = bq76952
BQZ Firmware Version = 0_36


Sample,DateTime,ElapsedTime,ControlStatus,SafetyAlertA,SafetyStatusA,SafetyAlertB,SafetyStatusB,SafetyAlertC,SafetyStatusC,PFAlertA,PFStatusA,PFAlertB,PFStatusB,PFAlertC,PFStatusC,PFAlertD,PFStatusD,BatteryStatus,Cell1Voltage,Cell2Voltage,Cell3Voltage,Cell4Voltage,Cell5Voltage,Cell6Voltage,Cell7Voltage,Cell8Voltage,Cell9Voltage,Cell10Voltage,Cell11Voltage,Cell12Voltage,Cell13Voltage,Cell14Voltage,Cell15Voltage,Cell16Voltage,StackVoltage,PACKPinVoltage,LDPinVoltage,CC2Current,AlarmStatus,AlarmRawStatus,AlarmEnable,IntTemperature,CFETOFFTemperature,DFETOFFTemperature,ALERTTemperature,TS1Temperature,TS2Temperature,TS3Temperature,HDQTemperature,DCHGTemperature,DDSGTemperature,FETStatus,ManufacturingStatus,CellTemperature,FETTemperature,CC3Current,CC1Current,AccumCharge,AccumTime,CellBalancingActiveCells,CellBalancingPresentTime,LogRowTime(ms),LogStatus
1,2024-05-07 15:22:31,4.005,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4825,4752,4773,0,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.6,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.6,25.5,7,7,-32764,1437,0x0000,0,982,SUCCESS
2,2024-05-07 15:22:35,8.018,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3459,3460,3458,3458,3459,3461,3458,0,0,4825,4752,4773,15,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.5,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.6,25.5,7,7,-32764,1441,0x0000,0,970,SUCCESS
3,2024-05-07 15:22:39,12.033,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3459,3459,3460,3460,3458,3458,3460,3462,3458,0,0,4824,4752,4775,7,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.6,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.6,25.4,7,7,-32764,1445,0x0000,0,1004,SUCCESS
4,2024-05-07 15:22:43,16.035,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4824,4753,4775,7,0x0000,0x0683,0x0064,25.4,-273.2,-273.2,-273.2,42.7,23.5,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.6,25.6,7,7,-32764,1449,0x0000,0,1001,SUCCESS
5,2024-05-07 15:22:47,20.045,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3459,3460,3458,3458,3459,3461,3458,0,0,4824,4752,4773,0,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.6,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1453,0x0000,0,992,SUCCESS
6,2024-05-07 15:22:51,24.055,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4824,4753,4773,0,0x0000,0x0683,0x0064,25.6,-273.2,-273.2,-273.2,42.7,23.5,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.6,25.6,7,7,-32764,1457,0x0000,0,1013,SUCCESS
7,2024-05-07 15:22:55,28.070,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3460,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3460,3462,3458,0,0,4824,4754,4774,15,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.5,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1461,0x0000,0,964,SUCCESS
8,2024-05-07 15:22:59,32.076,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4823,4752,4773,7,0x0000,0x0683,0x0064,25.6,-273.2,-273.2,-273.2,42.7,23.6,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.6,7,7,-32764,1465,0x0000,0,959,SUCCESS
9,2024-05-07 15:23:03,36.088,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4825,4753,4775,0,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1469,0x0000,0,995,SUCCESS
10,2024-05-07 15:23:07,40.101,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3459,3460,3458,3458,3459,3461,3458,0,0,4824,4752,4775,7,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.6,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1474,0x0000,0,984,SUCCESS
11,2024-05-07 15:23:11,44.111,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3459,3460,3458,3458,3459,3461,3459,0,0,4824,4753,4775,0,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.6,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1478,0x0000,0,1020,SUCCESS
12,2024-05-07 15:23:15,48.123,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4824,4753,4773,7,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1482,0x0000,0,1005,SUCCESS
13,2024-05-07 15:23:19,52.129,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3459,3460,3458,3458,3459,3462,3458,0,0,4823,4755,4773,15,0x0000,0x0683,0x0064,25.6,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1486,0x0000,0,1001,SUCCESS
14,2024-05-07 15:23:23,56.137,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3460,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4824,4752,4774,7,0x0000,0x0683,0x0064,25.4,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1490,0x0000,0,993,SUCCESS
15,2024-05-07 15:23:27,60.151,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4825,4752,4773,7,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.2,7,7,-32764,1494,0x0000,0,978,SUCCESS
16,2024-05-07 15:23:31,64.156,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3457,3459,3459,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4825,4753,4774,7,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1498,0x0000,0,1005,SUCCESS
17,2024-05-07 15:23:35,68.158,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3460,3460,3460,3458,3458,3460,3462,3458,0,0,4824,4752,4774,7,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,15,-32764,1502,0x0000,0,973,SUCCESS
18,2024-05-07 15:23:39,72.160,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3460,3459,3460,3458,3458,3460,3461,3458,0,0,4823,4752,4775,15,0x0000,0x0683,0x0064,25.4,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.4,7,7,-32764,1506,0x0000,0,1002,SUCCESS
19,2024-05-07 15:23:43,76.172,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3460,3460,3458,3458,3459,3461,3458,0,0,4824,4752,4785,0,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1510,0x0000,0,1004,SUCCESS
20,2024-05-07 15:23:47,80.182,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4824,4754,4774,0,0x0000,0x0683,0x0064,25.5,-273.2,-273.2,-273.2,42.7,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,15,-32764,1514,0x0000,0,995,SUCCESS
21,2024-05-07 15:23:51,84.195,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3459,3460,3459,3460,3460,3458,3458,3460,3461,3458,0,0,4824,4756,4773,7,0x0000,0x0683,0x0064,25.2,-273.2,-273.2,-273.2,42.6,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.5,7,7,-32764,1518,0x0000,0,981,SUCCESS
22,2024-05-07 15:23:55,88.203,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3458,3459,3460,3460,3459,3460,3460,3458,3458,3459,3461,3459,0,0,4824,4753,4773,7,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.6,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,7,-32764,1522,0x0000,0,1005,SUCCESS
23,2024-05-07 15:23:59,92.208,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3460,3459,3458,3459,3460,3460,3460,3459,3460,3458,3458,3460,3462,3458,0,0,4825,4753,4774,7,0x0000,0x0683,0x0064,25.3,-273.2,-273.2,-273.2,42.6,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.3,7,15,-32764,1526,0x0000,0,984,SUCCESS
24,2024-05-07 15:24:03,96.208,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0180,3459,3459,3457,3459,3460,3460,3459,3459,3460,3458,3458,3460,3461,3458,0,0,4824,4752,4774,0,0x0000,0x0683,0x0064,25.4,-273.2,-273.2,-273.2,42.6,23.5,22.4,-273.2,-273.2,-273.2,0x05,0x0010,29.5,25.4,7,7,-32764,1530,0x0000,0,1000,SUCCESS

  • Hello Stas,

    Looking at the bqStudio image you provided, XDSG/XCHG are enabled in the 0x66 Alarm Enable() register. This enables which alarm sources are enabled.

    This explained in Section 12.2.19 Alarm Enable Register and 6.6 ALERT Pin Operation of the TRM.

    Best Regards,

    Luis Hernandez Salomon