Part Number: BQ25756
你们好，TI团队！麻烦协助分析原因。谢谢！
近期BQ25756充电电路，量产了40PCS，装配到充电器中。常温下 空载上电测试，发现有6pcs 无输出。重启后，3秒左右内 有电压输出（PG为打开，stat1和stat2交替 打开，表示在充电和充电完成中切换），之后无输出（PG为打开，stat1打开，stat2为关闭，表示充电中）。导致的问题是，电池插上充电器，无法进行充电。如果这些问题板卡，先接电池，再上电，就不会出现这种无输出的情况，会一直有电压输出、正常充电。
其余的85%正常板卡，空载上电后，会一直有电压输出，打嗝波形输出（PG为打开，stat1和stat2交替 打开，表示在充电和充电完成中切换）。
当前工况是，使用BQ25756芯片平台，为6串锂电池充电。输入是36V 225W的ACDC模块。
我提供下，问题板块的空载上电的几秒内的读取所有寄存器的值。这些数据是对BQ25756异常充电板卡锂电池 充电板 V1.0.0.pdf 的寄存器监测情况。监测时间是，是从板卡上电 正常输出、几秒后又进入异常情况的。寄存器的值是 从地址00读到了地址3D。
26-05-27 16:34:58.982 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0C 80 00 00 09 80 02 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:34:59.198 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0F 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:34:59.419 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:34:59.639 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:34:59.894 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:00.114 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:00.321 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0C 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:00.540 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0F 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:00.760 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:00.982 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:01.204 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:01.410 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0C 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:01.631 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0F 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:01.888 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:02.108 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:02.314 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:02.520 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:02.740 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0C 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:02.961 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 0F 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:03.182 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 01 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:03.388 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:03.594 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:03.801 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:04.007 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:04.214 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:04.431 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:04.652 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:04.894 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:05.112 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:05.320 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:05.540 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:05.746 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:05.953 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:06.160 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:06.381 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:06.587 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:06.793 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:07.000 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:07.208 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:07.414 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:07.621 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:07.895 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:08.111 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:08.318 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
26-05-27 16:35:08.525 读成功[D6][00]: 10 00 40 06 00 00 40 06 48 03 40 06 E8 03 FF FF 40 01 A0 00 0F 1D 00 C9 C0 20 20 96 57 40 00 00 00 09 80 00 00 00 00 00 00 00 00 60 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
