Texas Instruments LM5066 Handleiding

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OUT

UVLO/EN

VIN

GATE

DIODE

R

3

FB

OVLO

SDAI

SCL

PGD

SENSE

VDD

SMBus

Interface

SMBA

CL

RETRY

VAUX

VDD

VREF

TIMER

PWR

AGND

LM5066

V

OUT

C

OUT

V

IN

1 PF

1 PF

R

PWR

ADR2

ADR1

ADR0

VIN_K

GND

SDAO

R

SNS

R

4

R

1

C

TIMER

R

5

R

6

C

IN

Z

1

D

1

Q

2

Q

1

R

2

48-V Bus

12 V

PMBus Hotswap

Manages Inrush,

Faults, and

Monitoring

Load 1Load 2

Micro

Controller

I/V/P info

via PMBus

Regulate Loads to

Optimize Efficiency

Plug-in Card

Card to Card Communication

DC/DC

48 V

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LM5066

SNVS655I–JUNE2011–REVISEDJANUARY2016

LM506610to80V,HotswapControllerWithI/V/PMonitoringandPMBus™Interface

1

1Features

1

•10-to80-VOperation

•100-VContinuousAbsoluteMax

•26mV(±12%)or50mV(±6%)ILIMThreshold

•ProgrammableFETSOAProtection

•ProgramableUV,OV,t

FAULT

Thresholds

•ExternalFETTemperatureSensing

•FailedFETDetection

•I

2

C/SMBusInterface

•PMBus™CompliantCommandStructure

•PrecisionV

IN

,V

OUT

,I

IN

,P

IN

,V

AUX

Monitoring

–V(±2.7%);I(±3%);P(±4.5%)

•ProgramableI/V/PAveragingInterval

•12-bitADCwith1-kHzSamplingRate

•–40°C<T

J

<125°COperation

•Pin-to-PinCompatiblewithLM5066I

2Applications

•48-VServers

•BaseStationPowerDistribution

•NetworkingRoutersandSwitchers

•PLCPowerManagement

•24-to28-VIndustrialSystems

3Description

LM5066providesrobustprotectionandprecision

monitoringfor10-to80-Vsystems.Programmable

UV,OV,I

LIMIT

,andfast-shortcircuitprotectionallow

forcustomizedprotectionforanyapplication.

ProgrammableFETSOAprotectionsetsthe

maximumpowertheFETisallowedtodissipate

underanycondition.Theprogrammablefaulttimer

(t

FAULT

)issettoavoidnuisancetrips,ensurestart-up,

andlimitthedurationofoverloadevents.

Inadditiontocircuitprotection,theLM5066supplies

real-timepower,voltage,current,temperature,and

faultdatatothesystemmanagementhostthrough

theI

2

C/SMBusinterface.PMBuscompliant

commandstructuremakesiteasytoprogramthe

device.Precisiontelemetryenablesintelligentpower

managementfunctionssuchasefficiency

optimizationandearlyfaultdetection.LM5066also

supportsadvancedfeaturessuchasI/V/Paveraging

andpeakpowermeasurmenttoimprovesystem

diagnostics.

LM5066Iispin-to-pincompatiblewiththeLM5066

andoffersimprovedtelemetryaccuracyandsupports

theRead_Eincommandtomonitorenergy.See

Table1foradetailedcomparison.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LM5066PWP(28)9.70×4.40mm

2

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SPACE

SimplifiedSchematic

LM5066inaPlug-inCard

Product specificaties