L99SM81VQ6TRAlternatives & Equivalent Parts

About L99SM81VQ6TR

L99SM81VQ6TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterL99SM81VQ6TRSourceL99SM81VQ6MIC4680-3.3YMSN74AHCT08D68611014122
ManufacturerSTMicroelectronicsSTMicroelectronicsMicrochipTexas InstrumentsWürth Elektronik
Package TypeQuad Flat No-LeadQuad Flat No-LeadSmall Outline Packages—Other
Pin Count41418—12
Temperature Range——-40.0°C ~ 125.0°C—-25.0°C ~ 85.0°C
Price$1.7731—$1.7500$0.3699$1.0000
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVENOT RECOMMENDEDACTIVE—ACTIVE
Electrical Parameters
Factory Lead Time36 Weeks————
YTEOL537—15
Analog IC - Other TypeSTEPPER MOTOR CONTROLLERSTEPPER MOTOR CONTROLLERSWITCHING REGULATOR——
JESD-30 CodeS-XQCC-N40S-XQCC-N40R-PDSO-G8——
JESD-609 Codee3e3e4—e3
Number of Functions111——
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY——
Package Equivalence CodeLCC40,.25SQ,20LCC40,.25SQ,20SOP8,.25——
Package ShapeSQUARESQUARERECTANGULAR——
Package StyleCHIP CARRIER, HEAT SINK/SLUGCHIP CARRIER, HEAT SINK/SLUGSMALL OUTLINE——
Peak Reflow Temperature (Cel)260260260——
Screening LevelAEC-Q100AEC-Q100———
Supply Current-Max (Isup)6 mA6 mA———
Supply Voltage-Max (Vsup)28 V28 V———
Supply Voltage-Min (Vsup)6 V6 V———
Supply Voltage-Nom (Vsup)13.5 V13.5 V———
Surface MountYESYESYES——
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)——
Terminal FormNO LEADNO LEADGULL WING——
Terminal Pitch0.5 mm0.5 mm1.27 mm—1 mm
Terminal PositionQUADQUADDUAL——
## L99SM81VQ6TR Alternates Showing resultsImage————
Manufacturer Package Code——SOIC-8——
Control Mode——VOLTAGE-MODE——
Input Voltage-Max——34 V——
Input Voltage-Min——4 V——
Input Voltage-Nom——12 V——
Output Current-Max——1 A——
Output Voltage-Max——3.465 V——
Output Voltage-Min——3.135 V——
Output Voltage-Nom——3.3 V——
Qualification Status——Not Qualified——
Switcher Configuration——BUCK——
Switching Frequency-Max——220 kHz——
Temperature Grade——AUTOMOTIVE——
Time@Peak Reflow Temperature-Max (s)——30——
## MIC4680-3.3YM Alternates Showing results——Image——
Additional Feature————ROHS COMPLIANT
Board Mounting Option————SOLDER HOLDING POSTS
Body Breadth————0.116 inch
Body Depth————0.28 inch
Body Length————0.669 inch
Connector Type————FFC/FPC CONNECTOR
Contact Finish Mating————NOT APPLICABLE
Contact Finish Termination————Tin (Sn) - with Nickel (Ni) barrier
Contact Material————PHOSPHOR BRONZE
Contact Pattern————RECTANGULAR
Contact Resistance————20 mΩ
Contact Style————SINGLE PRONG
DIN Conformance————NO
Dielectric Withstanding Voltage————500VAC V
Durability————25 Cycles
Filter Feature————NO
IEC Conformance————NO
Insertion Force-Max————ZIF N
Insulation Resistance————100000000 Ω
Insulator Color————BEIGE
Insulator Material————POLYPHENYLENE SULFIDE
MIL Conformance————NO
Mating Contact Pitch————0.039 inch
Mixed Contacts————NO
Mounting Option 1————LOCKING
Mounting Style————RIGHT ANGLE
Mounting Type————BOARD
Number Of Connectors————ONE
Number Of PCB Rows————1
Number of Rows Loaded————1
Option————GENERAL PURPOSE
PCB Contact Pattern————RECTANGULAR
Plating Thickness————100u inch
Rated Current (Signal)————1 A
Reference Standard————UL
Termination Type————SURFACE MOUNT
Total Number of Contacts————10
UL Flammability Code————94V-0
Withdrawl Force-Min————ZIF N

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

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Get one quote covering all 4 alternatives for L99SM81VQ6TR — response within 24 hours.

Quick Links

L99SM81VQ6by STMicroelectronics Stepper Motor

Controller, PQCC40

Why Look for Alternatives?

Finding alternatives for L99SM81VQ6TR 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 L99SM81VQ6TR 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.

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FAQ

What is equivalent to L99SM81VQ6TR?

Known equivalents for L99SM81VQ6TR include L99SM81VQ6, MIC4680-3.3YM, SN74AHCT08D. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of L99SM81VQ6TR?

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 L99SM81VQ6TR 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.