TPS54521RHLRAlternatives & Equivalent Parts

About TPS54521RHLR

TPS54521RHLR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for TPS54521RHLR — response within 24 hours.

Specification Comparison

ParameterTPS54521RHLRSourceSI2309CDS-T1-GE370555-0005
ManufacturerTexas InstrumentsVishayMolex
Package TypeOtherSOT23 (3-Pin)Other
Pin Count1436
Temperature Range-40.0°C ~ 125.0°C-55.0°C ~ 150.0°C-40.0°C ~ 105.0°C
Price$0.4515$0.0860$0.5900
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYes
YTEOL1579.1
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max17 V
Input Voltage-Min4.5 V
Input Voltage-Nom12 V
JESD-30 CodeS-PQCC-N14R-PDSO-G3
JESD-609 Codee4e3e3
Number of Functions1
Number of Outputs1
Output Current-Max5 A
Output Voltage-Max15 V
Output Voltage-Min0.8 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeLCC14/18,.14SQ,20
Package ShapeSQUARERECTANGULAR
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE
Peak Reflow Temperature (Cel)260260
Qualification StatusNot QualifiedNot Qualified
Surface MountYESYES
Switcher ConfigurationBUCK
Switching Frequency-Max900 kHz
Temperature GradeAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)MATTE TIN
Terminal FormNO LEADGULL WING
Terminal Pitch0.5 mm2.54 mm
Terminal PositionQUADDUAL
Time@Peak Reflow Temperature-Max (s)3030
## TPS54521RHLR Alternates Showing resultsImage
Factory Lead Time8 Weeks24 Weeks
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min60 V
Drain Current-Max (ID)1.6 A
Drain-source On Resistance-Max0.345 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss)20 pF
JEDEC-95 CodeTO-236AB
Number of Elements1
Operating ModeENHANCEMENT MODE
Polarity/Channel TypeP-CHANNEL
Power Dissipation-Max (Abs)1.7 W
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Reach Compliance CodeCompliant
Additional FeatureSL
Board Mounting OptionPEG
Body Breadth0.276 inch
Body Depth0.535 inch
Body Length0.75 inch
Body/Shell StyleRECEPTACLE
Connector TypeBOARD CONNECTOR
Contact Finish MatingNOT SPECIFIED
Contact Finish TerminationTin (Sn) - with Nickel (Ni) barrier
Contact GenderMALE
Contact MaterialNOT SPECIFIED
Contact PatternRECTANGULAR
Contact Resistance15 mΩ
Contact StyleSQ PIN-SKT
DIN ConformanceNO
Dielectric Withstanding Voltage600VAC V
Durability25 Cycles
Filter FeatureNO
IEC ConformanceNO
Insulation Resistance1000000000 Ω
Insulator ColorBLACK
Insulator MaterialGLASS FILLED POLYCARBONATE
MIL ConformanceNO
Mating Contact Pitch0.1 inch
Mating InformationMULTIPLE MATING PARTS AVAILABLE
Mixed ContactsNO
Mounting Option 1LOCKING
Mounting StyleRIGHT ANGLE
Mounting TypeBOARD
Number Of ConnectorsONE
Number Of PCB Rows1
Number of Rows Loaded1
OptionGENERAL PURPOSE
PCB Contact PatternRECTANGULAR
Plating Thickness150u inch
Polarization KeyPOLARIZED HOUSING
Rated Current (Signal)3 A
Reference StandardUL, CSA
Terminal Length0.13 inch
Termination TypeSOLDER
Total Number of Contacts6
UL Flammability Code94V-0

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for TPS54521RHLR — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for TPS54521RHLR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating TPS54521RHLR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for TPS54521RHLR. Get expert recommendations within 24 hours.

FAQ

What is equivalent to TPS54521RHLR?

Known equivalents for TPS54521RHLR include SI2309CDS-T1-GE3, 70555-0005. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of TPS54521RHLR?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify TPS54521RHLR alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.