Car audio
power amplifiers
moving to the green zone
Linear and digital high-efficiency audio power amplifiers with start-stop
and hybrid-vehicle compatibility
ST is world leader in automotive
Digiꢃꢀl ꢁꢀmiliꢄꢅ
Key features
audio power amplifiers, and
offers solutions for each market
segment. ST is also committed
to environment protection
and was the first company to
design audio amplifiers with the
specific target of allowing car
makers to decrease exhaust,
fuel consumption and vehicle
weight.
•ꢀ Compatibilityꢀwithꢀstart-stopꢀandꢀ
hybrid-vehicleꢀbatteryꢀprofiles:ꢀtheꢀ
engineꢀstopsꢀandꢀrestartsꢀwithoutꢀ
anyꢀinterruptionꢀorꢀnoiseꢀonꢀtheꢀ
audio
•ꢀ ClassꢀDꢀhighꢀefficiencyꢀwithꢀꢀ
optimizedꢀBOM
•ꢀ ClassꢀSBiꢀhighꢀefficiencyꢀwithꢀupꢀtoꢀ
50%ꢀlessꢀpowerꢀdissipationꢀꢀ
comparedꢀtoꢀclassꢀAB
•ꢀ Fullꢀprotectionꢀagainstꢀanyꢀꢀ
misconnection
Key beꢆefꢇts
•ꢀ Lowꢀpowerꢀdissipationꢀwithꢀhighꢀ
outputꢀpower
•ꢀ Smallerꢀheatsinkꢀallowingꢀsmallerꢀ
andꢀlighterꢀapplications
•ꢀ Fullꢀdigitalꢀdiagnostics
•ꢀ Highꢀnoise-injectionꢀimmunity
•ꢀ Automotive-gradeꢀEMCꢀꢀ
performances
Every new power amplifier from
ST is now compatible with the
most recent technologies for
green vehicles, such as
•ꢀ Contributionꢀtoꢀemissionꢀreductionsꢀ
andꢀenvironmentꢀprotection
•ꢀ MOSFETꢀoutputꢀpower
•ꢀ Superiorꢀaudioꢀperformances
•ꢀ Lowerꢀapplicationꢀcostꢀcomparedꢀtoꢀ
equivalentꢀsolutionsꢀ(especiallyꢀforꢀ
classꢀD)
anꢀlog ꢁꢀmilꢂ
start-stop and hybrid
•ꢀ ClassꢀSBꢀhighꢀefficiencyꢀwithꢀupꢀtoꢀ
25%ꢀlessꢀpowerꢀdissipationꢀꢀ
comparedꢀtoꢀclassꢀABꢀꢀ
technologies, and embeds
advanced high-efficiency
solutions.
•ꢀ Compatibilityꢀwithꢀexistingꢀproducts,ꢀ
soꢀdirectꢀreplacementꢀisꢀpossibleꢀ
withꢀminorꢀredesign
(actualꢀmeasurements)
www.st.com/car-radio