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DRV10983: motor stops after start-up for 10 seconds

Cherry Zhou
Mastermind 22235 points
Part Number: DRV10983

Hi team,

Using the drv10983 as the drive board for the brushless motor, the schematic uses the example from the spec sheet and is currently being verified, with the following issues:

1. After connecting with the pwm wave with a 3.6-V 50-KHZ duty cycle of 50%, the motor starts up faster for about 10 seconds and then stops, after it will start automatically. The other frequencies all remain the same issue.

2. With iic, the chip does not answer after receiving the address and repeats the problem. And the issue above remains.

The following figure is the waveform of iic scl and sda:

Could you help check this case? Thanks.

Best Regards,

Cherry

  • 0
    TI__Mastermind 23045 points

    Hello Cherry,

    Thanks for posting to the MD forum. I would be glad to help, just need some additional information before I can make any sort of assessment or suggestions.

    Could you please have the customer provide me with their EEPROM settings? Are they encountering any faults when the motor stops? and when the motor starts back up again after the 10 seconds is it starting at the appropriate speed?

    Best,

    Isaac

  • 0 in reply to Isaac Lara
    TI__Mastermind 22235 points

    Hi Isaac,

    Thanks for your support here!

    Updates are as follows: The chip I2C communication is good, but the motor still does not work properly.

    I2C writes the read register value are as follows:

    msh />pcf8574_sample 2 0 0
[38561] D/I2C: I2C bus dev [i2c1] writing 1 bytes.
[38566] D/I2C: msgs[0] W, addr=0x52, len=1
[38570] D/I2C: send start condition
[38574] D/I2C: ACK
[38576] D/I2C: ACK
[38578] D/I2C: write 1 byte
[38581] D/I2C: send stop condition
[38584] D/I2C: msgs[0] W, addr=0x52, len=2
[38589] D/I2C: send start condition
[38592] D/I2C: ACK
[38595] D/I2C: ACK
[38597] D/I2C: ACK
[38599] D/I2C: write 2 bytes
[38602] D/I2C: send stop condition
Success
[38606] D/I2C: msgs[0] W, addr=0x52, len=2
[38610] D/I2C: send start condition
[38614] D/I2C: ACK
[38616] D/I2C: ACK
[38618] D/I2C: ACK
[38621] D/I2C: write 2 bytes
[38623] D/I2C: send stop condition
Success
[38628] D/I2C: msgs[0] W, addr=0x52, len=2
[38632] D/I2C: send start condition
[38636] D/I2C: ACK
[38638] D/I2C: ACK
[38640] D/I2C: ACK
[38642] D/I2C: write 2 bytes
[38645] D/I2C: send stop condition
Success
[38650] D/I2C: msgs[0] W, addr=0x52, len=2
[38654] D/I2C: send start condition
[38658] D/I2C: ACK
[38660] D/I2C: ACK
[38662] D/I2C: ACK
[38664] D/I2C: write 2 bytes
[38667] D/I2C: send stop condition
Success
[38671] D/I2C: msgs[0] W, addr=0x52, len=2
[38676] D/I2C: send start condition
[38679] D/I2C: ACK
[38682] D/I2C: ACK
[38684] D/I2C: ACK
[38686] D/I2C: write 2 bytes
[38689] D/I2C: send stop condition
Success
[38693] D/I2C: msgs[0] W, addr=0x52, len=2
[38697] D/I2C: send start condition
[38701] D/I2C: ACK
[38703] D/I2C: ACK
[38705] D/I2C: ACK
[38708] D/I2C: write 2 bytes
[38710] D/I2C: send stop condition
Success
[38715] D/I2C: msgs[0] W, addr=0x52, len=1
[38719] D/I2C: msgs[1] R, addr=0x52, len=2
[38724] D/I2C: send start condition
[38727] D/I2C: ACK
[38729] D/I2C: ACK
[38731] D/I2C: write 1 byte
[38734] D/I2C: ACK
[38737] D/I2C: recieve bytes: 0x40, ACK
[38741] D/I2C: recieve bytes: 0xff, NACK
[38745] D/I2C: read 2 bytes
[38748] D/I2C: send stop condition
Success
data 0x03 :40 ff
[38754] D/I2C: msgs[0] W, addr=0x52, len=1
[38758] D/I2C: msgs[1] R, addr=0x52, len=2
[38763] D/I2C: send start condition
[38766] D/I2C: ACK
[38768] D/I2C: ACK
[38770] D/I2C: write 1 byte
[38773] D/I2C: ACK
[38776] D/I2C: recieve bytes: 0x80, ACK
[38780] D/I2C: recieve bytes: 0xff, NACK
[38784] D/I2C: read 2 bytes
[38787] D/I2C: send stop condition
Success
data 0x01 :80 ff
[38793] D/I2C: msgs[0] W, addr=0x52, len=1
[38797] D/I2C: msgs[1] R, addr=0x52, len=2
[38801] D/I2C: send start condition
[38805] D/I2C: ACK
[38807] D/I2C: ACK
[38809] D/I2C: write 1 byte
[38812] D/I2C: ACK
[38814] D/I2C: recieve bytes: 0x80, ACK
[38819] D/I2C: recieve bytes: 0xff, NACK
[38823] D/I2C: read 2 bytes
[38826] D/I2C: send stop condition
Success
data 0x00 :80 ff
[38832] D/I2C: msgs[0] W, addr=0x52, len=1
[38836] D/I2C: msgs[1] R, addr=0x52, len=2
[38840] D/I2C: send start condition
[38844] D/I2C: ACK
[38846] D/I2C: ACK
[38848] D/I2C: write 1 byte
[38851] D/I2C: ACK
[38853] D/I2C: recieve bytes: 0x40, ACK
[38858] D/I2C: recieve bytes: 0xff, NACK
[38862] D/I2C: read 2 bytes
[38865] D/I2C: send stop condition
Success
data 0x1b :40 ff
[38871] D/I2C: msgs[0] W, addr=0x52, len=1
[38875] D/I2C: msgs[1] R, addr=0x52, len=2
[38879] D/I2C: send start condition
[38883] D/I2C: ACK
[38885] D/I2C: ACK
[38887] D/I2C: write 1 byte
[38890] D/I2C: ACK
[38892] D/I2C: recieve bytes: 0x3f, ACK
[38897] D/I2C: recieve bytes: 0xff, NACK
[38901] D/I2C: read 2 bytes
[38904] D/I2C: send stop condition
Success
data 0x11 :3f ff
[38910] D/I2C: msgs[0] W, addr=0x52, len=1
[38914] D/I2C: msgs[1] R, addr=0x52, len=2
[38918] D/I2C: send start condition
[38922] D/I2C: ACK
[38924] D/I2C: ACK
[38926] D/I2C: write 1 byte
[38929] D/I2C: ACK
[38931] D/I2C: recieve bytes: 0xff, ACK
[38935] D/I2C: recieve bytes: 0xff, NACK
[38940] D/I2C: read 2 bytes
[38943] D/I2C: send stop condition
Success
data 0x12 :ff ff
[38949] D/I2C: msgs[0] W, addr=0x52, len=1
[38953] D/I2C: msgs[1] R, addr=0x52, len=2
[38957] D/I2C: send start condition
[38961] D/I2C: ACK
[38963] D/I2C: ACK
[38965] D/I2C: write 1 byte
[38968] D/I2C: ACK
[38970] D/I2C: recieve bytes: 0x4e, ACK
[38974] D/I2C: recieve bytes: 0xff, NACK
[38979] D/I2C: read 2 bytes
[38981] D/I2C: send stop condition
Success
data 0x21 :4e ff
[38988] D/I2C: msgs[0] W, addr=0x52, len=1
[38992] D/I2C: msgs[1] R, addr=0x52, len=2
[38996] D/I2C: send start condition
[39000] D/I2C: ACK
[39002] D/I2C: ACK
[39004] D/I2C: write 1 byte
[39007] D/I2C: ACK
[39009] D/I2C: recieve bytes: 0x2a, ACK
[39013] D/I2C: recieve bytes: 0xff, NACK
[39018] D/I2C: read 2 bytes
[39020] D/I2C: send stop condition
Success
data 0x22 :2a ff
[39027] D/I2C: msgs[0] W, addr=0x52, len=1
[39031] D/I2C: msgs[1] R, addr=0x52, len=2
[39035] D/I2C: send start condition
[39039] D/I2C: ACK
[39041] D/I2C: ACK
[39043] D/I2C: write 1 byte
[39046] D/I2C: ACK
[39048] D/I2C: recieve bytes: 0x00, ACK
[39052] D/I2C: recieve bytes: 0xff, NACK
[39056] D/I2C: read 2 bytes
[39059] D/I2C: send stop condition
Success
data 0x1E :0 ff
[39065] D/I2C: msgs[0] W, addr=0x52, len=1
[39070] D/I2C: msgs[1] R, addr=0x52, len=2
[39074] D/I2C: send start condition
[39078] D/I2C: ACK
[39080] D/I2C: ACK
[39082] D/I2C: write 1 byte
[39085] D/I2C: ACK
[39087] D/I2C: recieve bytes: 0x0f, ACK
[39091] D/I2C: recieve bytes: 0xff, NACK
[39095] D/I2C: read 2 bytes
[39098] D/I2C: send stop condition
Success
data 0x10 :f ff
msh />pcf85
pcf8574_sample
pcf8575_sample
msh />pcf857
pcf8574_sample
pcf8575_sample
msh />pcf8574
pcf8574_sample
msh />pcf85
pcf8574_sample
pcf8575_sample
msh />pcf857
pcf8574_sample
pcf8575_sample
msh />pcf8574
pcf8574_sample
msh />pcf8574_sample 2 0 0
[63854] D/I2C: I2C bus dev [i2c1] writing 1 bytes.
[63859] D/I2C: msgs[0] W, addr=0x52, len=1
[63863] D/I2C: send start condition
[63867] D/I2C: ACK
[63869] D/I2C: ACK
[63871] D/I2C: write 1 byte
[63874] D/I2C: send stop condition
[63878] D/I2C: msgs[0] W, addr=0x52, len=2
[63882] D/I2C: send start condition
[63886] D/I2C: ACK
[63888] D/I2C: ACK
[63890] D/I2C: ACK
[63892] D/I2C: write 2 bytes
[63895] D/I2C: send stop condition
Success
[63900] D/I2C: msgs[0] W, addr=0x52, len=2
[63904] D/I2C: send start condition
[63908] D/I2C: ACK
[63910] D/I2C: ACK
[63912] D/I2C: ACK
[63914] D/I2C: write 2 bytes
[63917] D/I2C: send stop condition
Success
[63921] D/I2C: msgs[0] W, addr=0x52, len=2
[63926] D/I2C: send start condition
[63929] D/I2C: ACK
[63932] D/I2C: wait 1 tick for SCL line to go high
[63937] D/I2C: ACK
[63939] D/I2C: ACK
[63941] D/I2C: write 2 bytes
[63944] D/I2C: send stop condition
Success
[63948] D/I2C: msgs[0] W, addr=0x52, len=2
[63953] D/I2C: send start condition
[63956] D/I2C: ACK
[63958] D/I2C: ACK
[63961] D/I2C: wait 1 tick for SCL line to go high
[63966] D/I2C: ACK
[63968] D/I2C: write 2 bytes
[63971] D/I2C: send stop condition
Success
[63975] D/I2C: msgs[0] W, addr=0x52, len=2
[63979] D/I2C: send start condition
[63983] D/I2C: ACK
[63985] D/I2C: ACK
[63987] D/I2C: ACK
[63989] D/I2C: write 2 bytes
[63992] D/I2C: send stop condition
Success
[63997] D/I2C: msgs[0] W, addr=0x52, len=2
[64001] D/I2C: send start condition
[64005] D/I2C: ACK
[64007] D/I2C: ACK
[64009] D/I2C: ACK
[64011] D/I2C: write 2 bytes
[64014] D/I2C: send stop condition
Success
[64019] D/I2C: msgs[0] W, addr=0x52, len=1
[64023] D/I2C: msgs[1] R, addr=0x52, len=2
[64027] D/I2C: send start condition
[64031] D/I2C: ACK
[64033] D/I2C: ACK
[64035] D/I2C: write 1 byte
[64038] D/I2C: ACK
[64040] D/I2C: recieve bytes: 0x40, ACK
[64044] D/I2C: recieve bytes: 0xff, NACK
[64048] D/I2C: read 2 bytes
[64051] D/I2C: send stop condition
Success
data 0x03 :40 ff
[64057] D/I2C: msgs[0] W, addr=0x52, len=1
[64062] D/I2C: msgs[1] R, addr=0x52, len=2
[64066] D/I2C: send start condition
[64070] D/I2C: ACK
[64072] D/I2C: ACK
[64074] D/I2C: write 1 byte
[64077] D/I2C: ACK
[64079] D/I2C: recieve bytes: 0x80, ACK
[64083] D/I2C: recieve bytes: 0xff, NACK
[64087] D/I2C: read 2 bytes
[64090] D/I2C: send stop condition
Success
data 0x01 :80 ff
[64096] D/I2C: msgs[0] W, addr=0x52, len=1
[64101] D/I2C: msgs[1] R, addr=0x52, len=2
[64105] D/I2C: send start condition
[64109] D/I2C: ACK
[64111] D/I2C: ACK
[64113] D/I2C: write 1 byte
[64116] D/I2C: ACK
[64118] D/I2C: recieve bytes: 0x80, ACK
[64122] D/I2C: recieve bytes: 0xff, NACK
[64126] D/I2C: read 2 bytes
[64129] D/I2C: send stop condition
Success
data 0x00 :80 ff
[64135] D/I2C: msgs[0] W, addr=0x52, len=1
[64140] D/I2C: msgs[1] R, addr=0x52, len=2
[64144] D/I2C: send start condition
[64148] D/I2C: ACK
[64150] D/I2C: ACK
[64152] D/I2C: write 1 byte
[64155] D/I2C: ACK
[64157] D/I2C: recieve bytes: 0x40, ACK
[64161] D/I2C: recieve bytes: 0xff, NACK
[64165] D/I2C: read 2 bytes
[64168] D/I2C: send stop condition
Success
data 0x1b :40 ff
[64174] D/I2C: msgs[0] W, addr=0x52, len=1
[64179] D/I2C: msgs[1] R, addr=0x52, len=2
[64183] D/I2C: send start condition
[64187] D/I2C: ACK
[64189] D/I2C: ACK
[64191] D/I2C: write 1 byte
[64194] D/I2C: ACK
[64196] D/I2C: recieve bytes: 0x3f, ACK
[64200] D/I2C: recieve bytes: 0xff, NACK
[64204] D/I2C: read 2 bytes
[64207] D/I2C: send stop condition
Success
data 0x11 :3f ff
[64213] D/I2C: msgs[0] W, addr=0x52, len=1
[64218] D/I2C: msgs[1] R, addr=0x52, len=2
[64222] D/I2C: send start condition
[64226] D/I2C: ACK
[64228] D/I2C: ACK
[64230] D/I2C: write 1 byte
[64233] D/I2C: ACK
[64235] D/I2C: recieve bytes: 0xff, ACK
[64239] D/I2C: recieve bytes: 0xff, NACK
[64243] D/I2C: read 2 bytes
[64246] D/I2C: send stop condition
Success
data 0x12 :ff ff
[64252] D/I2C: msgs[0] W, addr=0x52, len=1
[64257] D/I2C: msgs[1] R, addr=0x52, len=2
[64261] D/I2C: send start condition
[64265] D/I2C: ACK
[64267] D/I2C: ACK
[64269] D/I2C: write 1 byte
[64272] D/I2C: ACK
[64274] D/I2C: recieve bytes: 0x4e, ACK
[64278] D/I2C: recieve bytes: 0xff, NACK
[64282] D/I2C: read 2 bytes
[64285] D/I2C: send stop condition
Success
data 0x21 :4e ff
[64291] D/I2C: msgs[0] W, addr=0x52, len=1
[64296] D/I2C: msgs[1] R, addr=0x52, len=2
[64300] D/I2C: send start condition
[64304] D/I2C: ACK
[64306] D/I2C: ACK
[64308] D/I2C: write 1 byte
[64311] D/I2C: ACK
[64313] D/I2C: recieve bytes: 0x2a, ACK
[64317] D/I2C: recieve bytes: 0xff, NACK
[64321] D/I2C: read 2 bytes
[64324] D/I2C: send stop condition
Success
data 0x22 :2a ff
[64330] D/I2C: msgs[0] W, addr=0x52, len=1
[64334] D/I2C: msgs[1] R, addr=0x52, len=2
[64339] D/I2C: send start condition
[64343] D/I2C: ACK
[64345] D/I2C: ACK
[64347] D/I2C: write 1 byte
[64350] D/I2C: ACK
[64352] D/I2C: recieve bytes: 0x00, ACK
[64356] D/I2C: recieve bytes: 0xff, NACK
[64360] D/I2C: read 2 bytes
[64363] D/I2C: send stop condition
Success
data 0x1E :0 ff
[64369] D/I2C: msgs[0] W, addr=0x52, len=1
[64373] D/I2C: msgs[1] R, addr=0x52, len=2
[64378] D/I2C: send start condition
[64381] D/I2C: ACK
[64384] D/I2C: wait 1 tick for SCL line to go high
[64389] D/I2C: ACK
[64391] D/I2C: write 1 byte
[64394] D/I2C: ACK
[64396] D/I2C: recieve bytes: 0x0f, ACK
[64400] D/I2C: recieve bytes: 0xff, NACK
[64404] D/I2C: read 2 bytes
[64407] D/I2C: send stop condition
Success
data 0x10 :f ff
msh />pcf85
pcf8574_sample
pcf8575_sample
msh />pcf857
pcf8574_sample
pcf8575_sample
msh />pcf8574
pcf8574_sample
msh />pcf8574_sample 3 0 0
[71417] D/I2C: I2C bus dev [i2c1] writing 1 bytes.
[71422] D/I2C: msgs[0] W, addr=0x52, len=1
[71426] D/I2C: send start condition
[71430] D/I2C: ACK
[71432] D/I2C: ACK
[71434] D/I2C: write 1 byte
[71437] D/I2C: send stop condition
[71441] D/I2C: msgs[0] W, addr=0x52, len=1
[71445] D/I2C: msgs[1] R, addr=0x52, len=2
[71449] D/I2C: send start condition
[71453] D/I2C: ACK
[71455] D/I2C: ACK
[71457] D/I2C: write 1 byte
[71460] D/I2C: ACK
[71462] D/I2C: recieve bytes: 0x00, ACK
[71466] D/I2C: recieve bytes: 0xff, NACK
[71471] D/I2C: read 2 bytes
[71473] D/I2C: send stop condition
Success
data 0x03 :0 ff
[71479] D/I2C: msgs[0] W, addr=0x52, len=1
[71484] D/I2C: msgs[1] R, addr=0x52, len=2
[71488] D/I2C: send start condition
[71492] D/I2C: ACK
[71494] D/I2C: ACK
[71496] D/I2C: write 1 byte
[71499] D/I2C: ACK
[71501] D/I2C: recieve bytes: 0x00, ACK
[71505] D/I2C: recieve bytes: 0xff, NACK
[71509] D/I2C: read 2 bytes
[71512] D/I2C: send stop condition
Success
data 0x01 :0 ff
[71518] D/I2C: msgs[0] W, addr=0x52, len=1
[71523] D/I2C: msgs[1] R, addr=0x52, len=2
[71527] D/I2C: send start condition
[71531] D/I2C: ACK
[71533] D/I2C: ACK
[71535] D/I2C: write 1 byte
[71538] D/I2C: ACK
[71540] D/I2C: recieve bytes: 0x00, ACK
[71544] D/I2C: recieve bytes: 0xff, NACK
[71548] D/I2C: read 2 bytes
[71551] D/I2C: send stop condition
Success
data 0x00 :0 ff
[71557] D/I2C: msgs[0] W, addr=0x52, len=1
[71562] D/I2C: msgs[1] R, addr=0x52, len=2
[71566] D/I2C: send start condition
[71570] D/I2C: ACK
[71572] D/I2C: ACK
[71574] D/I2C: write 1 byte
[71577] D/I2C: ACK
[71579] D/I2C: recieve bytes: 0xff, ACK
[71583] D/I2C: recieve bytes: 0xff, NACK
[71587] D/I2C: read 2 bytes
[71590] D/I2C: send stop condition
Success
data 0x1b :ff ff
[71596] D/I2C: msgs[0] W, addr=0x52, len=1
[71600] D/I2C: msgs[1] R, addr=0x52, len=2
[71605] D/I2C: send start condition
[71609] D/I2C: ACK
[71611] D/I2C: ACK
[71613] D/I2C: write 1 byte
[71616] D/I2C: ACK
[71618] D/I2C: recieve bytes: 0x3f, ACK
[71622] D/I2C: recieve bytes: 0xff, NACK
[71626] D/I2C: read 2 bytes
[71629] D/I2C: send stop condition
Success
data 0x11 :3f ff
[71635] D/I2C: msgs[0] W, addr=0x52, len=1
[71639] D/I2C: msgs[1] R, addr=0x52, len=2
[71644] D/I2C: send start condition
[71647] D/I2C: ACK
[71650] D/I2C: ACK
[71652] D/I2C: write 1 byte
[71655] D/I2C: ACK
[71657] D/I2C: recieve bytes: 0xff, ACK
[71661] D/I2C: recieve bytes: 0xff, NACK
[71665] D/I2C: read 2 bytes
[71668] D/I2C: send stop condition
Success
data 0x12 :ff ff
[71674] D/I2C: msgs[0] W, addr=0x52, len=1
[71678] D/I2C: msgs[1] R, addr=0x52, len=2
[71683] D/I2C: send start condition
[71686] D/I2C: ACK
[71689] D/I2C: ACK
[71691] D/I2C: write 1 byte
[71694] D/I2C: ACK
[71696] D/I2C: recieve bytes: 0x4e, ACK
[71700] D/I2C: recieve bytes: 0xff, NACK
[71704] D/I2C: read 2 bytes
[71707] D/I2C: send stop condition
Success
data 0x21 :4e ff
[71713] D/I2C: msgs[0] W, addr=0x52, len=1
[71717] D/I2C: msgs[1] R, addr=0x52, len=2
[71722] D/I2C: send start condition
[71725] D/I2C: ACK
[71728] D/I2C: ACK
[71730] D/I2C: write 1 byte
[71733] D/I2C: ACK
[71735] D/I2C: recieve bytes: 0x2a, ACK
[71739] D/I2C: recieve bytes: 0xff, NACK
[71743] D/I2C: read 2 bytes
[71746] D/I2C: send stop condition
Success
data 0x22 :2a ff
[71752] D/I2C: msgs[0] W, addr=0x52, len=1
[71756] D/I2C: msgs[1] R, addr=0x52, len=2
[71761] D/I2C: send start condition
[71764] D/I2C: ACK
[71766] D/I2C: ACK
[71768] D/I2C: write 1 byte
[71771] D/I2C: ACK
[71774] D/I2C: recieve bytes: 0x00, ACK
[71778] D/I2C: recieve bytes: 0xff, NACK
[71782] D/I2C: read 2 bytes
[71785] D/I2C: send stop condition
Success
data 0x1E :0 ff
[71791] D/I2C: msgs[0] W, addr=0x52, len=1
[71795] D/I2C: msgs[1] R, addr=0x52, len=2
[71799] D/I2C: send start condition
[71803] D/I2C: ACK
[71805] D/I2C: ACK
[71807] D/I2C: write 1 byte
[71810] D/I2C: ACK
[71812] D/I2C: recieve bytes: 0x0f, ACK
[71817] D/I2C: recieve bytes: 0xff, NACK
[71821] D/I2C: read 2 bytes
[71824] D/I2C: send stop condition
Success
data 0x10 :f ff
msh />

    Isaac Lara said:
    Are they encountering any faults when the motor stops?

    No, when motor stops, everything is well.

    Isaac Lara said:
    and when the motor starts back up again after the 10 seconds is it starting at the appropriate speed?

    The speed is as same as the acceleration speed before, so it's appropriate.

    Thanks and Best Regards,

    Cherry

  • 0 in reply to Cherry Zhou
    TI__Mastermind 23045 points

    Hello Cherry,

    Thanks for the update! I am glad the customer was able to get the I2C communication to work properly. I believe the startup issue could possibly be a tuning  issue so I would need to review the customers EEPROM settings, if they could get the data from registers 0x20-0x2B.

    A question on the response above, when the motor stops everything is well, so are there any faults while the motor is running for the ten seconds before it stops? any faults when the motor starts back up again?

    I will attach the DRV10983 tuning guide in case the customer is interested in reviewing it: https://www.ti.com/lit/ug/slou395d/slou395d.pdf

    Best,

    Isaac