
MYXPM6021*
Revision 1.1 - 10/21/14
*Advanced information. Subject to change without notice.
4
MYXPM6021*
Form #: CSI-D-685 Document 011
3 Overview
MYXPM6021features:
• PowerSequencer&SystemControl:MYXPM6021includesanultra-exiblepowersequencerprogrammablevia
OTPduringmanufacturingprocessandmodiableviaexternalEEPROMdata.ItcontrolstheMYXPM6021blocks,
thepowersequences,theprogrammedADCsequence,interactswiththeSoCandtheperipherals
• SupplySources
• 6BuckRegulators
• 2Buck-BoostRegulators
• 1BoostRegulator
• 6LDORegulators
• 11internalpowerrailswitches
• 9externalpowerrailswitches
• 2Powermuxswitcheswherethesupplysourcecanbeselected
• CommunicationInterfaces
• I2C(slavedevice)masteredfromtheSoC
• Handshake/controlsignalsfrom/towardstheSoCandperipherals
• SVID(slavedevice)masteredfromtheSoC,butcapableofinterruptfromthePMIC
• I2C(masterdevice)orEEPROMInterface,usedtoreadEEPROMduringrstpowerup.
• InputSourcePowerDetection:MYXPM6021willdetectconnectedpowersourcesandprovidesuchinformation
towardstheSoCand/orcharger.VBAT,VBUS_SENSE,VDCIN_SENSEandVSYSnodeswillbepermanently
monitoredviacomparatorsforinsertion,removalevents.FurthermoretheywillbemeasuredviatheGPADCinorder
totakedecisiononthebootprocess.
• SystemVoltageandTemperatureMeasurement:Thesytemvoltageandtemperaturemeasurementmonitors
theMYXPM6021inputvoltageatVSYS,theon-dietemperatureaswellasthebatteryandplatformsensor
temperatures.Inaddition,itdetectsover-andunder-voltageconditions.Ifactivated,itcanissuecriticalevents.
• GPADC:TheGPADCisprimarilyfortemperatureandvoltagemeasurements,andcanrunpredenedsequencesor
asingleprogrammableone.Italsosupportsautomaticandmanualmeasurementmethodsandcanalsorunalsoin
astandbymodeatprogrammablelongintervals.
• DigitalBatteryInterface:1-wireprotocolagnosticdigitalcommunicationbetweenbatteryandSoC.Itintroducesa
levelshiftingbetweentheSoCandthemainbattery.
• OTP&EEPROMInterface:MYXPM6021willreaditsparametersfromintegratedOTPduringpoweronreset.
OptionallythoseOTPparametersettingscanbeoverwrittenbyanexternalEEPROMforback-upsolution,
debuggingordevelopment.Note,TheOTPcan’tbeoverwrittenandtheEEPROMcan’tbeprogrammedviathe
MYXPM6021.
• PlatformBack-upBatteryCharger:MYXPM6021includesanautonomouschargerforplatformbackupbatteries
suchascoincellsor“supercaps”.
Commentaires sur ces manuels