LM5143QRWGRQ1Alternatives & Equivalent Parts

About LM5143QRWGRQ1

LM5143QRWGRQ1 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.

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Specification Comparison

ParameterLM5143QRWGRQ1SourceATTINY1624-XF5103308-5CRCW08051K80FKEALM5143QRHARQ1
ManufacturerTexas InstrumentsMicrochipTE ConnectivityVishayTexas Instruments
Package TypeOtherSmall Outline PackagesHeader, Shrouded - Straight PTH BoxResistor ChipQuad Flat No-Lead
Pin Count411420241
Temperature Range-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C-65.0°C ~ 105.0°C-55.0°C ~ 155.0°C-40.0°C ~ 125.0°C
Price$3.8734$0.7300$0.6580$0.0022$3.1306
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYes——YesYes
Date Of Intro2018-11-11————
YTEOL15239.11215
Analog IC - Other TypeDUAL SWITCHING CONTROLLER———DUAL SWITCHING CONTROLLER
Control ModeCURRENT-MODE———CURRENT-MODE
Control TechniquePULSE WIDTH MODULATION———PULSE WIDTH MODULATION
Input Voltage-Max65 V———65 V
Input Voltage-Min3.5 V———3.5 V
Input Voltage-Nom12 V———12 V
JESD-30 CodeS-PQCC-N40R-PDSO-G14——S-PQCC-N40
JESD-609 Codee4e3e3—e4
Number of Functions1———1
Number of Outputs2———2
Output Current-Max40 A———40 A
Output Voltage-Max55 V———55 V
Output Voltage-Min0.6 V———0.6 V
Output Voltage-Nom3.3 V———3.3 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY——PLASTIC/EPOXY
Package ShapeSQUARERECTANGULAR——SQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, THIN PROFILE, SHRINK PITCH—SMTCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260———260
Screening LevelAEC-Q100———AEC-Q100
Surface MountYESYES—YESYES
Switcher ConfigurationBUCK———BUCK
Switching Frequency-Max2200 kHz———2200 kHz
TechnologyBICMOSCMOS—METAL GLAZE/THICK FILMBICMOS
Temperature GradeAUTOMOTIVEAUTOMOTIVE———
Terminal FinishNickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)Matte Tin (Sn)—Pure Matte Tin (Sn) - with Nickel (Ni) barrierNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEADGULL WING——NO LEAD
Terminal Pitch0.5 mm0.65 mm2.54 mm—0.5 mm
Terminal PositionQUADDUAL——QUAD
Time@Peak Reflow Temperature-Max (s)30———30
Manufacturer Package Code—TSSOP-14———
Factory Lead Time—7 Weeks—19 Weeks—
Has ADC—YES———
Additional Feature—OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHzLOW PROFILERATED AC VOLTAGE (V): 150IT ALSO HAS 5V OUTPUT
Bit Size—8———
Boundary Scan—NO———
CPU Family—AVR RISC———
Clock Frequency-Max—20 MHz———
DAC Channels—NO———
DMA Channels—NO———
Format—FIXED POINT———
Integrated Cache—NO———
Low Power Mode—YES———
Number of External Interrupts—12———
Number of I/O Lines—12———
Number of Serial I/Os—2———
Number of Timers—3———
On Chip Data RAM Width—8———
On Chip Program ROM Width—8———
PWM Channels—YES———
Package Equivalence Code—TSSOP14,.25——LCC40,.24SQ,20
RAM (bytes)—2048———
RAM (words)—2000———
ROM (words)—16384———
ROM Programmability—FLASH———
Speed—16 MHz———
Supply Voltage-Max—5.5 V———
Supply Voltage-Min—4.5 V———
Supply Voltage-Nom—5 V———
uPs/uCs/Peripheral ICs Type—MICROCONTROLLER, RISC———
## ATTINY1624-XF Alternates Showing results—Image———
Body Breadth——0.36 inch——
Body Depth——0.347 inch——
Body Length——1.3 inch——
Body/Shell Style——PLUG——
Connector Type——BOARD CONNECTOR——
Contact Finish Mating——NOT APPLICABLE——
Contact Finish Termination——Tin (Sn) - with Nickel (Ni) barrier——
Contact Gender——MALE——
Contact Material——NOT APPLICABLE——
Contact Pattern——RECTANGULAR——
Contact Style——SQ PIN-SKT——
DIN Conformance——NO——
EMI Shielded——NO——
Empty Shell——YES——
Filter Feature——NO——
IEC Conformance——NO——
Insulation Resistance——5000000000 Ω——
Insulator Color——BLACK——
Insulator Material——GLASS FILLED POLYAMIDE/POLYBUTYLENE TEREPHTHALATE——
MIL Conformance——NO——
Mains Connector Rating——1A——
Mating Contact Pitch——0.1 inch——
Mating Contact Row Spacing——0.1 inch——
Mating Information——MULTIPLE MATING PARTS AVAILABLE——
Mixed Contacts——NO——
Mounting Option 1——LOCKING——
Mounting Style——STRAIGHT——
Mounting Type——BOARD——
Number Of Connectors——ONE——
Number Of PCB Rows——2——
Number of Ports——1——
Number of Rows Loaded——2——
Option——GENERAL PURPOSE——
PCB Contact Pattern——RECTANGULAR——
PCB Contact Row Spacing——2.54 mm——
Panel Mount——NO——
Plating Thickness——15u inch——
Polarization Key——POLARIZED——
Rated Current (Signal)——1 A——
Reference Standard——ULAEC-Q200—
Terminal Length——0.12 inch——
Termination Type——SOLDER——
Total Number of Contacts——20——
UL Flammability Code——94V-0——
Primary Product Color Black——Connector Profile Low——
Number of Rows 2——PCB Mount Orientation Vertical——
PCB Contact Termination Area Plating Material Thickness 100 MICIN——Mating Square Post Dimension .64 MM——
Mating Square Post Dimension .025 INCH——PCB Contact Termination Area Plating Material Tin——
Reach Compliance Code———Compliant—
Construction———Rectangular—
Mounting Feature———SURFACE MOUNT—
Package Height———0.5 mm—
Package Length———2 mm—
Package Width———1.25 mm—
Packing Method———TR, Paper, 7 Inch—
Rated Power Dissipation (P)———0.125 W—
Rated Temperature———70 °C—
Resistance———1800 Ω—
Resistor Type———FIXED RESISTOR—
Size Code———0805—
Terminal Shape———WRAPAROUND—
Tolerance———1%—
Working Voltage———150 V—

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 4 alternatives for LM5143QRWGRQ1 — response within 24 hours.

Quick Links

5103308-5

suggested

LM5143QRHARQ1by Texas Instruments

Dual Switching Controller, Current-mode, 40A, 2200kHz Switching Freq-Max, BICMOS, PQCC40

Why Look for Alternatives?

Finding alternatives for LM5143QRWGRQ1 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 LM5143QRWGRQ1 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 LM5143QRWGRQ1?

Known equivalents for LM5143QRWGRQ1 include ATTINY1624-XF, 5103308-5, CRCW08051K80FKEA. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM5143QRWGRQ1?

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 LM5143QRWGRQ1 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.