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Related Posts

  • Forum Post: Re: 20Z75 breakdown after I connect it with MSP430's SMbus

    SW5307
    Leonardo, I think most likely you have a timing issue. The best approach to me is to first thoroughly read the SMBus communication specification, which you could download from http://smbus.org/ Then to establish confidence with your communication routine, you could use an oscilloscope to monitor...
    on Sep 4, 2009

  • Forum Post: is there a Fuel Gauege which can handle 1 Li-Ion Cell AND faeture SMBus?

    Saied ZARGAR
    I am trying to find a fuel gauge IC for a single cell Li-Ion battery. The communication interface must be SMBus. All I have been able to find is the Bq76PL102. is bq76PL102 a viable candidate, or do we not have a solution at this time? thanks.
    on Apr 20, 2010

  • Forum Post: Re: accessing system data in bq20z65

    SW5307
    We do have an app note with sample C code for the MSP430 to demonstrate communication with our single-cell fuel gauges (using I2C and HDQ). Here is a direct link: MSP430 Microcontroller Software for Handheld Fuel Gauge & Battery Authentication For SMBus sample code, please find it here:...
    on May 20, 2010

  • Forum Post: changing bq2060A SMBus ID adress

    Stefan 50900
    Hello, is it possible to change the SMBus ID adress ? I need to use up to 5 batteriepacks, each equipped with the bq2060A, in parallel circuit and want to transfer the battery data of each battery via one SMBus to the PC. Thanks for helping! Stefan
    on May 28, 2010

  • Forum Post: SMbus connection for bq20z65

    swapnil dadhe
    Hi, This is in reference to the recommended circuit design for bq20z65. The reference design suggests two 100ohms resistances in series with the SMbus data and clock lines. However the SMbus 1.1 specifications suggest direct electrical connection between the host and the slave using two pullups to...
    on Jun 8, 2010

  • Forum Post: bq24745 SMbus charger shuts down early

    Jack Peacock
    My setup is a bq24745 charger (TI EVM kit), a bq20z65 pack manager (TI kit), four Tekocell 9500MaH cells in series, and a TPS54383 buck regulator (TI kit) on the ouput stage. Using the EVM2300 I calibrated and configured the bq20z65 for the 4 cell pack, works fine, readings match meters. While in the...
    on Jun 15, 2010

  • Wiki Page: BQ20Z70 Pro GUI Screen Description

    Darwin Fernandez
    Q: BQ20Z70 Pro GUI Screen Description by 581446 Can you provide some details on the "Pro" screen in the BQ20Z70 GUI? There seem to be repeated entry points for SMB command. There is also a warning that some commands may cause permanent damage to the h/w and I only have one setup. Q...
    on Jul 12, 2010

  • Forum Post: Smart Battery System Help

    Scott Robinson
    Hello, I am currently putting together my first smart battery system for a linux machine and am having trouble properly recognizing whether my battery is charging or discharging. My goal is to have my program recognize the battery status and alert the user if the device becomes unplugged. My smart battery...
    on Jul 27, 2010

  • Forum Post: SMBus communication and EV2300

    Teemu
    Hi, I'm looking for a SMBus communication tool that could possibly be used with any SMBus enabled battery provided the connections are correct. I know that this might not be possible always because communication between batteries and systems depend on manufacturer and model, and might be protected...
    on Jul 28, 2010

  • Forum Post: SMBus Charger communication with DQ battery

    zepman
    Is there a simple solution to communicate between a smart charger ulilizing SMBus & a battery with a DQ interface only?
    on Oct 19, 2010

  • Forum Post: cant find bq78PL114 EVM on SMBUS

    Ronald Deang
    Hi, I'm working on configuring a 6 cell battery circuit on a bq78PL114 EVM. Right now I'm just simulating the battery cells with resistors as shown in the user's guide. However, when I try to run bqWizard, it can't find the bq78PL114 on the SMBUS line. I'm using the usb-to-gpio adapter...
    on Dec 10, 2010

  • Forum Post: BQ24765 - Not responding on SMbus - No acknowledgment When trying to read using SMbus

    Rizwan Hirani
    Hi There, This is regarding BQ24765 battery charger IC. In one of our custom design we are using BQ24765 as batterty charger to charge 14.4V Li ION battery. It is observed that , battery tries to send commands to battery charger IC @ the adress b'0001 001_ , but there is no acknowledged. ...
    on Mar 14, 2011

  • Forum Post: Current calibration with BQ20z95

    Dimitri Marquois
    Hello, I am trying to make a current calibration. I use your datasheet SLUA404–December 2006 page 279. (Please visit the site to view this file) My program commands a dynamic load to provide -2 Amperes. Then I send 0x0040 to put the BQ20z95 in calibration mode, now I...
    on Apr 20, 2011

  • Forum Post: Re: Using I2C driver for SMBus communication

    Viktoriya Sherman
    SMBus has a timeout specification that is not required by the I2C. Most of the time you can use I2C to communicate with the SMBus without issues so we recommend to do a scope capture of the failed communication and look at the waveform to see what isn't meeting the SMBus spec and update the code...
    on May 27, 2011

  • Forum Post: Re: Using I2C driver for SMBus communication

    Viktoriya Sherman
    Michael, It sounds like it is sending a double start. Our part may sometimes communicate correctly in the case of a double start, but to ensure that it communicates it is better to not have a double start if that can be handled in your vhdl file. Regards, Viktoriya
    on May 31, 2011

  • Forum Post: Re: BQ20z95 blocked in BootROM mode

    Dimitri Marquois
    I'm not able to communicate with the BQ20z95. I have this error message when I try to send 0x08 : It's seems that BQ is not running. Is it possible to reset the BQ20z95 without SMBus communication ? (mechanically) Regards
    on Jun 8, 2011

  • Forum Post: Re: bq20z95 stuck with no communication please help

    Roi Ofer
    on Jun 13, 2011

  • Forum Post: I2C with EV2300

    Dimitri Marquois
    Hello, I am trying to send I2C data frame with EV2300 to communicate with a PCA 9536 : (Please visit the site to view this file) The frame is like this 0x01 0x00 0x00 0x020 0x82 0x01 0xFE I have the source code in VB of BQTESTER. I try some function: Bq80xRW1.ReadI2CBlockOnSMB Bq80xRW1.I2CWriteBlock...
    on Jun 20, 2011

  • Forum Post: bq20z65-R1 SMBus Address Question

    Nicholas Alunni
    Hello, Section 2.3.11 (pg. 56) " The bq20z60-R1/bq20z65-R1 uses address 0x16 on the SMB for communication." However, the bqEVSW talks to it using SMB address 0x17. In the datasheet, there is an example of how to read from the dataflash that uses both address 0x16 and 0x17 (below...
    on Jun 21, 2011

  • Forum Post: Re: I2C with EV2300

    Dimitri Marquois
    On the EV2300 there are a I2C connection. Do you have some library to use it ?
    on Jun 24, 2011

  • Forum Post: Re: I2C with EV2300

    Dimitri Marquois
    Hi, Yes, I tested functions, but is not matching with my need. Bq80xRW1.I2CWriteBlock has a special data frame which start with aa and end with 55. I want send data: 0x01 0x00 0x00 0x020 0x82 0x01 0xFE
    on Jun 27, 2011

  • Forum Post: Re: I2C with EV2300

    Dimitri Marquois
    I tested with the EV2300 the I2C connection, and I have nothings on the oscilloscope. Data are all send through the SMB connection. Do I need to send a command to the EV2300 to configure it in I2C mode ?
    on Jun 27, 2011

  • Forum Post: Re: I2C with EV2300

    Dimitri Marquois
    SMB is for bq devices. But what is the output I2C then? For me I2C is a generic protocole which can communicate with all I2C componants. Regards
    on Jun 28, 2011

  • Forum Post: Re: PowerLan additional SBData commands

    Benjamin Sarpong
    Hi Philippe, The additional parameters are contained in the extended SMBus Functions (TRM Chapter 5.2). You can also get additional parameters from: http://focus.ti.com/lit/an/slua591/slua591.pdf To ensure that the SMB Commands 0x80 and 0x81 work, please ensure that your dat files are created with...
    on Jul 19, 2011

  • Forum Post: Re: PowerLan additional SBData commands

    jp vergne
    Hi Benjamin, The bqWizard version is 3.1.0 (which is the up to date version) My bq78PL116EVM works fine with the bqWizard (I did not change the passwords and the access level) I join 2 scope pictures which show that the bq78LP116 replies to a 0x3C SMB command but it sends an error to a 0x80...
    on Jul 20, 2011
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