BQ27426: BQ27426 learning cycle failure

Star Xu

Part Number: BQ27426
Other Parts Discussed in Thread: BQSTUDIO

The customer use BQstudio with auto learning cycle, but the failure, the failure massage as below:

Fri Sep 24 08:50:02 CST 2021: Learning cycle started...
Fri Sep 24 08:50:02 CST 2021: Start task: Discharge ( TerminateVoltage = 2900 mV )
Fri Sep 24 08:50:31 CST 2021: End task: Discharge completed in 00:00:29
Fri Sep 24 08:50:31 CST 2021: Start task: Relax ( Duration = up to 360 minutes )
Fri Sep 24 09:07:55 CST 2021: End task: Relax completed in 00:17:24
Fri Sep 24 09:07:55 CST 2021: Start task: Charge ( FC/TC Bit = true )
Fri Sep 24 14:56:30 CST 2021: End task: Charge completed in 05:48:34
Fri Sep 24 14:56:30 CST 2021: Start task: Relax ( Duration = up to 120 minutes )
Fri Sep 24 16:56:32 CST 2021: Error: [VOK: Not Clear]
Fri Sep 24 16:56:32 CST 2021: Learning cycle cancelled
Fri Sep 24 16:56:34 CST 2021: Error: [VOK: Not Clear]
Fri Sep 24 16:56:34 CST 2021: Learning cycle cancelled
Fri Sep 24 16:56:37 CST 2021: Error: [VOK: Not Clear]
Fri Sep 24 16:56:37 CST 2021: Learning cycle cancelled
Fri Sep 24 16:56:39 CST 2021: Error: [VOK: Not Clear]

Attached the log data

21-9-27.log

Please give some suggestions.

Thanks

Star

over 2 years ago

0 Wyatt Keller over 2 years ago

TI__Guru** 102455 points

Hello Star,

Can you share the configuration information as well? (.gg file) Ideally one before and one after.

Sincerely,

Wyatt Keller

0 ruolong yao over 2 years ago

Prodigy 10 points

hi Wyatt Keller,

21-9-27.log file records the changes of each register during the whole training process. Then I copied the contents of the GG file as follows:

;--------------------------------------------------------
;Verify Existing Firmware Version
;--------------------------------------------------------
W: AA 00 01 00
C: AA 00 26 04
W: AA 00 02 00
C: AA 00 02 02
;--------------------------------------------------------
;SET_CFGUPDATE
;--------------------------------------------------------
W: AA 00 13 00
X: 1100
;--------------------------------------------------------
;Data Block
;--------------------------------------------------------
W: AA 3E 02 00
W: AA 40 02 26 00 00 32 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 A5
X: 10
W: AA 3E 02 00
C: AA 60 A5
W: AA 3E 24 00
W: AA 40 00 19 28 63 5F 5A 62 00 32 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 0E
X: 10
W: AA 3E 24 00
C: AA 60 0E
W: AA 3E 31 00
W: AA 40 0A 0F 02 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 DF
X: 10
W: AA 3E 31 00
C: AA 60 DF
W: AA 3E 40 00
W: AA 40 25 F8 0F 9F 23 00 00 14 04 00 09 04 26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 C6
X: 10
W: AA 3E 40 00
C: AA 60 C6
W: AA 3E 44 00
W: AA 40 00 32 01 C2 30 00 03 08 98 01 00 3C 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 F9
X: 10
W: AA 3E 44 00
C: AA 60 F9
W: AA 3E 50 00
W: AA 40 01 F4 00 1E C8 14 08 00 3C 0E 10 00 0A 46 05 14 05 0F 03 20 7F FF 00 F0 46 50 18 01 90 00 64 19
W: AA 60 E4
X: 10
W: AA 3E 50 00
C: AA 60 E4
W: AA 3E 50 01
W: AA 40 DC 5C 60 00 7D 00 04 03 19 25 0F 14 0A 78 60 28 01 F4 00 00 00 00 43 80 04 01 14 00 08 0B B8 01
W: AA 60 DB
X: 10
W: AA 3E 50 01
C: AA 60 DB
W: AA 3E 50 02
W: AA 40 2C 0A 01 0A 00 00 00 C8 00 64 02 00 00 00 00 07 D0 01 03 5A 02 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 59
X: 10
W: AA 3E 50 02
C: AA 60 59
W: AA 3E 51 00
W: AA 40 00 A7 00 64 00 50 00 3C 3C 01 B3 B3 01 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 34
X: 10
W: AA 3E 51 00
C: AA 60 34
W: AA 3E 52 00
W: AA 40 40 00 00 00 00 81 17 70 56 B8 0A 8C 00 C8 00 32 00 14 03 E8 01 01 4A 00 0A FF CE FF CE 00 01 00
W: AA 60 29
X: 10
W: AA 3E 52 00
C: AA 60 29
W: AA 3E 59 00
W: AA 40 00 32 00 1E 00 22 00 2E 00 26 00 20 00 25 00 1F 00 20 00 23 00 27 00 27 00 3D 00 73 00 C8 00 00
W: AA 60 CC
X: 10
W: AA 3E 59 00
C: AA 60 CC
W: AA 3E 6D 00
W: AA 40 09 79 0E E1 0E A0 10 5E 10 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 5E
X: 10
W: AA 3E 6D 00
C: AA 60 5E
W: AA 3E 70 00
W: AA 40 80 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
W: AA 60 FF
X: 10
W: AA 3E 70 00
C: AA 60 FF
;--------------------------------------------------------
;Exit CFGUPDATE
;--------------------------------------------------------
W: AA 00 00 00
W: AA 00 42 00
X: 2000

AND ot.fs file is:

;--------------------------------------------------------
;Verify Existing Firmware Version
;--------------------------------------------------------
W: AA 00 01 00
C: AA 00 26 04
W: AA 00 02 00
C: AA 00 02 02
;--------------------------------------------------------
;Go To ROM Mode
;--------------------------------------------------------
W: AA 00 00 0F
X: 1000
;--------------------------------------------------------
;OTP Program Load
;--------------------------------------------------------
W: 16 00 21 00 00 00 5F 00 00 00 00 D4 86 4A C6 B4 C2 6E 2B 03 7C 01 48 FD A3 F6 75 12 58 2D B7 00 00 00 00 CB D4 1A 05 1C 98 02 D3 FF B9 30 EF 05 11 05 01 00 00 10 01 00 3C 00 50 3C 00 64 3C 00 20 00 00 00 00 00 00 00 00 00 40 00 00 00 00 81 17 70 56 B8 0A 8C 00 C8 00 32 00 14 03 E8 01 01 4A 00 0A FF CE FF
W: 16 64 F4 19
X: 5
C: 16 66 00
W: 16 00 06 64 01 00 5F CE 00 01 01 F4 00 1E C8 14 08 00 3C 0E 10 00 0A 46 05 14 05 0F 03 20 7F FF 00 F0 46 50 18 01 90 00 64 19 DC 5C 60 00 7D 00 04 03 19 25 0F 14 0A 78 60 28 01 F4 00 00 00 00 43 80 04 01 14 00 08 0B B8 01 2C 0A 01 0A 00 00 00 C8 00 64 02 00 00 00 00 07 D0 01 03 5A 02 12 02 10 63 DC DC E9
W: 16 64 A6 14
X: 5
C: 16 66 00
W: 16 00 06 C3 01 00 5F E8 E8 EA E9 ED F3 F0 F1 F2 F1 F2 F0 EE F1 F0 F2 F6 F7 F9 FA FC FC FE FC FF F8 F4 F5 F3 EF EF F0 F3 F0 DA 8E FE FE 03 F7 0C F8 F2 24 07 17 0B E2 FD F0 F8 0C 05 27 F7 DA F9 FB 16 FF 07 FB F6 F2 E5 CF 9C D0 0C 07 13 11 11 43 EE F2 17 9D FF 68 03 01 FE FD 04 00 02 01 FF FE FC 02 FC ED 48
W: 16 64 A5 42
X: 5
C: 16 66 00
W: 16 00 06 22 02 00 5F FE BC 00 F8 1F 34 F3 DA 09 C1 09 09 1E E1 57 2A B9 00 32 00 1E 00 22 00 2E 00 26 00 20 00 25 00 1F 00 20 00 23 00 27 00 27 00 3D 00 73 00 C8 09 79 0E E1 0E A0 10 5E 10 04 00 19 28 63 5F 5A 62 00 32 25 F8 0F 9F 23 00 00 14 04 00 09 04 26 00 32 01 C2 30 00 03 08 98 01 00 3C 01 00 00 A7
W: 16 64 1B 15
X: 5
C: 16 66 00
W: 16 00 06 81 02 00 19 00 64 00 50 00 3C 3C 01 B3 B3 01 90 80 00 80 00 02 26 00 00 32 0A 0F 02 05
W: 16 64 40 05
X: 5
C: 16 66 00
W: 16 00 06 FE 00 00 02 01 95
W: 16 64 9C 01
X: 5
C: 16 66 00
;--------------------------------------------------------
;IMPORTANT: APPLY PROGRAMMING VOLTAGE NOW
;--------------------------------------------------------
;--------------------------------------------------------
;OTP Program Execute
;--------------------------------------------------------
W: 16 00 22
W: 16 64 22 00
X: 200
;--------------------------------------------------------
;IMPORTANT: REMOVE PROGRAMMING VOLTAGE NOW
;--------------------------------------------------------
C: 16 66 00
C: 16 04 00
W: 16 00 06 39 80 00 01 00
W: 16 64 C0 00
X: 5
C: 16 66 00
;--------------------------------------------------------
;Execute Flash Code
;--------------------------------------------------------
W: 16 00 0F
W: 16 64 0F 00
X: 4000

0 Wyatt Keller over 2 years ago in reply to ruolong yao

TI__Guru** 102455 points

Hello Ruolong,

This looks like the flash stream file, can you export the .gg file before and after the test?

Sincerely,

Wyatt Keller

Power management

Power management forum

BQ27426: BQ27426 learning cycle failure