
foron-boardLEDs.Foroff-boardLEDs,theASL1010PHNalso
featuresintegratedshort-circuitprotectionandbinningresistor
coding.Itishousedina16-pin,thermallyenhancedHVQFN16
package.Thedevicesarefullyautomotivequalified,compliant
toAEC-Q100,withanambienttemperatureoperatingrangeof
–40to+125oC.
Automotive-capable
TheASL1010seriesisspeciallydesignedtosupportthegrowing
replacementoftraditionalautomotivelightingsolutionswith
high-brightness(HB)LEDs.Itisacost-effectivesolutionthat
helpsdesignersrealizethefullbenefitsofHB-LEDswhile
meetingtheautomotiveindustry’sstringentrequirementsfor
performance.Thedevicesalsodeliverlowelectromagnetic
emission(EME)andhighelectromagneticimmunity(EMI).
Supportingasupplyvoltagerangeof6to60V,theICisISO
7637compliantfortransientandreversebatteryvoltages.The
outputDCvoltagecapabilityofupto60Vmakesitpossibleto
driveupto20LEDsinseries.Maximumoutputcurrentis1A
overthecompleteoperatingtemperaturerange,withhighLED
currentaccuracyandverylow(lessthan2%)LEDcurrentripple
Feature packed for flexibility
Compatiblewithcurrentbulblightingarchitectures,theASL1010
seriesoffersahighdegreeofflexibility.Thesolutionintegrates
alltherequiredfeaturesforautomotivelighting,including
temperaturefeedback,faultdetection,PWMgeneration,short
circuitprotectionandflexiblecurrentsettingbyselecting
anexternalbinningresistor.Itprovidesfullfunctionalityand
flexibilitywithoutamicrocontroller,whilethehighlevelof
integrationminimizesthenumberofexternalcomponents.
Buck/boost driver using 16-pin ASL1010PHN
HVSON8 package (ASL1010NTK)
brb556
VBAT
C39
C31
R24
t
FET8
L10
C30
ntc8
R27
TN0
C34
L12
C32
R25
R26
GND
HVSON8
PWM
RBIN
BAT
ILED
VOUT
VCC
GATE
GND
SENSE
CTR
3 mm
3 mm
brb557
C7
R3
FET5
L2
C8
p0
R11
R10
R8
R9
C8
GND
PWMIN
NTC
RPA
RPB
IC
BAT
ILED
VOUT
VCG
IC
PROTL
PROTH
PROT
GATE
GND
SENSE
RBIN
NTC
PWM
VBAT
LEDM
LEDP
R6
t
ntc3
www.nxp.com
2010 NXP Semiconductors N.V.
All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The
information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and
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Date of release: November 2010
Document order number: 9397 750 17012
Printed in the Netherlands