Car audio

power amplifiers

moving to the green zone

Linear and digital high-efficiency audio power amplifiers with start-stop

and hybrid-vehicle compatibility

www.st.com/car-radio

ST is world leader in automotive

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.

Every new power amplifier from

ST is now compatible with the

most recent technologies for

green vehicles, such as

start-stop and hybrid

technologies, and embeds

advanced high-efficiency

solutions.

Key features

•

Compatibilitywithstart-stopand

hybrid-vehiclebatteryprofiles:the

enginestopsandrestartswithout

anyinterruptionornoiseonthe

audio

•

Fullprotectionagainstany

misconnection

•

Fulldigitaldiagnostics

•

Highnoise-injectionimmunity

•

Automotive-gradeEMC

performances

•

MOSFEToutputpower

•

Superioraudioperformances

analog family

•

ClassSBhighefficiencywithupto

25%lesspowerdissipation

comparedtoclassAB

(actualmeasurements)

Digital families

•

ClassDhighefficiencywith

optimizedBOM

•

ClassSBihighefficiencywithupto

50%lesspowerdissipation

comparedtoclassAB

Key benefits

•

Lowpowerdissipationwithhigh

outputpower

•

Smallerheatsinkallowingsmaller

andlighterapplications

•

Contributiontoemissionreductions

andenvironmentprotection

•

Lowerapplicationcostcomparedto

equivalentsolutions(especiallyfor

classD)

•

Compatibilitywithexistingproducts,

sodirectreplacementispossible

withminorredesign