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BQ27510-G3: error "Target Not in ROM Mode" when attempting to program senc file

Joshua White
Prodigy 250 points
Part Number: BQ27510-G3
Other Parts Discussed in Thread: BQSTUDIO

Known Procedure:

Open EV2300 and select the device Bq27510G3

Select bq27510G3 v4.00 (Dev:510,Ver:4.0)-510_4_00

Confirm Selection

selection IC2 PRo

Address is set to AA

Location is set to 00

Datablock is set to 000F

Press Write Command

Select Senc Firmware

Press program

ERROR message "Target Not in Rom Mode"

This is a procedure that was recorded last year and has been done before.  It looks like the Texas Instruments SLUA541A document 2011 revision corroborates our steps.  What step is being left out?

Our production line has stopped as a result of this, please help with a solution as soon as possible.

  • 0
    TI__Intellectual 1735 points

    • Hi,
    • When Open the EV software, the gauge should be recognized automatically. Could you kindly check the connection of the gauge?
    • BQ27510G3 is also supported in bqstudio, you can try to use bqstudio to see if it works.

  • 0 in reply to answer
    Prodigy 250 points

    All steps to detect and talk to the gauge are without issue except the I2C Pro programming step.

    The gauges are able to be programmed with one of our computers, but not the other.

    What compatibilities are necessary to program that are not necessary for any other process?

    Processes that are able to performed without issue on both computers:

    • read DataRAM
    • Read Data Flash
    • Write I2C data blcok