Other Parts Discussed in Thread: BQ24610
Tool/software:
art Number: BQ4050
Tool/software:
Hello,
Connect our PCB to the load, the current is 0 mA, the current charging threshold is 50 mA, and the current discharge threshold is set to 100 mA. The CHG is ON, and the DSG is OFF, why is the PCB charging and discharging mos driving abnormal ? The configuration and log files are as follows :
Thu Sep 11 20:20:06 CST 2025
Device Version Info = 9e34_0_01
BQZ Device Name = bq4050
BQZ Firmware Version = V0_01_BLD22
Design Capacity = 8000
Design Voltage = 12800
Specification Info = 0x0031
Manufacturer Date = 2025-9-10
Serial Number = 0x0001
Manufacturer Name = Texas Instruments
Device Name = bq4050
Device Chemistry = LION
Sample,DateTime,ElapsedTime,ManufAccess,RemCapAlarm,RemTimeAlarm,BattMode,@Rate(@),@TimeFull,@TimeEmpty,@RateOK,Temperature,Voltage,Current,AvgCurr,MaxErr,RSOC,ASOC,SOH,RemCap,FullChgCap,RunTimeEmty,RunTimeEmty,AvgTimeFull,ChgCurr,ChgVolt,BattStat,CycleCnt,OpStatA,OpStatB,TempRange,ChgStat,GaugeStat,MfgStat,SafetyAlertAB,SafetyStatAB,SafetyAlertCD,SafetyStatCD,PFAlertAB,PFStatAB,PFAlertCD,PFStatCD,CellVolt1,CellVolt2,CellVolt3,CellVolt4,vBAT,vPACK,CellCurr1,CellCurr2,CellCurr3,CellCurr4,CellPower1,CellPower2,CellPower3,CellPower4,Power,AvgPow,IntTemp,TS1Temp,TS2Temp,TS3Temp,TS4Temp,CellTemp,FETTemp,CEDV_RC,DSGCap,CEDVThr,CEDVFltV,ChgDeficit,LogRowTime(ms),LogStatus
1,2025-09-11 20:20:10,4.016,0x2981,300,10,0x6001,0,65535,65535,1,25.1,13028,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0C00,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3234,13017,2889,0,0,0,0,0,0,0,0,0,0,25.9,25.1,196.5,196.5,196.0,25.1,25.9,1006,63,12800,13055,0,757,SUCCESS
2,2025-09-11 20:20:14,8.016,0x2985,300,10,0x6001,0,65535,65535,1,25.1,13027,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0C00,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3234,13015,1675,0,0,0,0,0,0,0,0,0,0,25.9,25.1,195.2,196.7,196.4,25.1,25.9,1006,63,12800,13055,0,741,SUCCESS
3,2025-09-11 20:20:18,12.016,0x2985,300,10,0x6001,0,65535,65535,1,25.1,13028,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0800,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3234,13016,1471,0,0,0,0,0,0,0,0,0,0,25.9,25.1,197.2,195.7,196.5,25.1,25.9,1006,63,12800,13055,0,754,SUCCESS
4,2025-09-11 20:20:22,16.027,0x2985,300,10,0x6001,0,65535,65535,1,25.0,13028,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0800,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3234,13017,1367,0,0,0,0,0,0,0,0,0,0,25.8,25.1,196.7,196.4,195.6,25.1,25.8,1006,63,12800,13055,0,729,SUCCESS
5,2025-09-11 20:20:26,20.040,0x2981,300,10,0x6001,0,65535,65535,1,25.1,13027,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0C00,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3235,13017,2764,0,0,0,0,0,0,0,0,0,0,25.8,25.1,196.5,196.1,195.9,25.1,25.8,1006,63,12800,13055,0,749,SUCCESS
6,2025-09-11 20:20:30,24.049,0x2985,300,10,0x6001,0,65535,65535,1,25.1,13027,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0C00,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3235,3235,13016,1690,0,0,0,0,0,0,0,0,0,0,25.8,25.1,195.7,196.5,195.9,25.1,25.8,1006,63,12800,13055,0,740,SUCCESS
7,2025-09-11 20:20:34,28.055,0x2985,300,10,0x6001,0,65535,65535,1,25.0,13028,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0800,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3235,3235,13017,1458,0,0,0,0,0,0,0,0,0,0,25.8,25.0,195.4,195.2,196.5,25.0,25.8,1006,63,12800,13055,0,736,SUCCESS
8,2025-09-11 20:20:38,32.067,0x2985,300,10,0x6001,0,65535,65535,1,25.1,13027,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0800,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3234,3234,3234,13016,1363,0,0,0,0,0,0,0,0,0,0,25.9,25.1,196.5,195.2,194.9,25.1,25.9,1006,63,12800,13055,0,737,SUCCESS
9,2025-09-11 20:20:42,36.067,0x2981,300,10,0x6001,0,65535,65535,1,25.1,13027,0,0,100,23,13,55,1006,4400,65535,65535,65535,4488,14200,0x00C0,0,0x2985,0x0000,0x08,0x0004,0x40,0x0010,0x0000,0x0C00,0x0020,0x0000,0x0000,0x0000,0x0000,0x0000,3325,3233,3234,3234,13017,2883,0,0,0,0,0,0,0,0,0,0,25.8,25.1,196.7,194.9,196.4,25.1,25.8,1006,63,12800,13055,0,752,SUCCESS
Our PCB is connected to the BUCK topology output controlled by BQ24610, and the status is displayed as follows : DSG and CHG status anomalies
