[参考译文] BQ40Z50：BQ40Z50 充放电问题

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Other Parts Discussed in Thread: BQ24610

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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1564525/bq4050-bq4050-charge-and-discharge-problem

产品编号：BQ40Z50
主题：BQ24610 中讨论的其他器件

工具/软件：

ART 编号： BQ40Z50

工具/软件：

您好：

将我们的 PCB 连接到负载、电流为 0mA、电流充电阈值为 50mA、电流放电阈值设置为 100mA。 CHG 导通且 DSG 关断、为什么 PCB 的充电和放电 MOS 驱动异常？配置和日志文件如下所示：

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

我们的 PCB 连接到由 BQ24610 控制的降压拓扑输出,状态显示如下: DSG 和 CHG 状态异常