I took another look and i am pretty satisfied with the results ;). However, a few things still need attention (i wrote it down on rhombus-tech.net)
Julius On Feb 20, 2017, 09:54, at 09:54, Luke Kenneth Casson Leighton <[email protected]> wrote: >ok turns out - from what i am reading of the datasheets - that the >bq24193 >can cope with running from 3.3v, it looks like it doesn't mind: the >limit >of the I2C and other pins is 6V. > >the bq27542 is a different matter (i thought it was 1.8v, it's not: >it's >2.5v). it has its own 2.5v LDO on-board but the maximum input voltage >is >2.5v for its I2C and HDQ (status / IRQ pin). sooo what i've done is, >connect the 2.5v output (REG25) to the level-shifter, and the other >side to >VREFTTL. > >i updated the schematics pdfs. > >l. > > >------------------------------------------------------------------------ > >_______________________________________________ >arm-netbook mailing list [email protected] >http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook >Send large attachments to [email protected]
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