HDQ Communication Basics (Rev. A)

Texas Instruments

Published Date: 09/18/2008

Description

This report compares the communication timing specifications for the different battery gas gauge and battery monitor products. It discusses some of the interface requirements necessary for robust HDQ communication such as the need for a break prior to each communication how to reliably read 16-bit dynamic values over the 8-bit bus and the need for some noise filtering on the HDQ line. It also

Parts

Part Number Name Companion Part
BQ2013HSN-A514 BQ2013HSN-A514 Buy Datasheet
BQ2013HSN-A514G4 BQ2013HSN-A514G4 Buy Datasheet
BQ2013HSN-A514TR BQ2013HSN-A514TR Buy Datasheet
BQ2013HSN-A514TRG4 BQ2013HSN-A514TRG4 Buy Datasheet
BQ2014HSN BQ2014HSN Buy Datasheet
BQ2014HSNG4 BQ2014HSNG4 Buy Datasheet
BQ2014HSNTR BQ2014HSNTR Buy Datasheet
BQ2014HSNTRG4 BQ2014HSNTRG4 Buy Datasheet
BQ2050HSN-A508 BQ2050HSN-A508 Buy Datasheet
BQ2050HSN-A508G4 BQ2050HSN-A508G4 Buy Datasheet
BQ2050HSN-A508TR BQ2050HSN-A508TR Buy Datasheet
BQ2050HSN-A508TRG4 BQ2050HSN-A508TRG4 Buy Datasheet
BQ26200PW BQ26200PW Buy Datasheet
BQ26200PWG4 BQ26200PWG4 Buy Datasheet
BQ26200PWR BQ26200PWR Buy Datasheet
BQ26200PWRG4 BQ26200PWRG4 Buy Datasheet
BQ26220PW BQ26220PW Buy Datasheet
BQ26220PWG4 BQ26220PWG4 Buy Datasheet
BQ26220PWR BQ26220PWR Buy Datasheet
BQ26220PWRG4 BQ26220PWRG4 Buy Datasheet
BQ26500PW BQ26500PW Buy Datasheet
BQ26500PWR BQ26500PWR Buy Datasheet
BQ26500PWRG4 BQ26500PWRG4 Buy Datasheet
BQ26501PW BQ26501PW Buy Datasheet
BQ26501PWR BQ26501PWR Buy Datasheet
BQ26501PWRG4 BQ26501PWRG4 Buy Datasheet
BQ27000DRKR BQ27000DRKR Buy Datasheet
BQ27000DRKRG4 BQ27000DRKRG4 Buy Datasheet
BQ27010DRKRG4 BQ27010DRKRG4 Buy Datasheet