LM5145QRGYRQ1 Texas Instruments Integrated Circuit (Other) In Stock

LM5145-Q1 Automotive 75-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
LM5145QRGYRQ1Other
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
21
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $2.5000(MOQ 25)
Temp Range
-40.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
YTEOL15
Analog IC - Other TypeSWITCHING CONTROLLER
Control ModeVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max75V
Input Voltage-Min5.5V
Input Voltage-Nom48V
JESD-30 CodeR-PQCC-N20
JESD-609 Codee3
Number of Functions1
Number of Outputs1
Output Current-Max20A
Output Voltage-Max60V
Output Voltage-Min0.8V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeLCC20,.15X.19,20
Package ShapeRECTANGULAR
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Screening LevelAEC-Q100
Supply Current-Max (Isup)2.1mA
Surface MountYES
Switcher ConfigurationBUCK
Switching Frequency-Max1000kHz
TechnologyBICMOS
Temperature GradeAUTOMOTIVE
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 2
ECCNEAR99
HTS Code8542.39.00.90
Country of OriginMainland China, Thailand

Datasheet

LM5145QRGYRQ1 Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for LM5145QRGYRQ1:

LM5145RGYTTexas Instruments

Switching Controller, Voltage-mode, 20A, 1000kHz Switching Freq-Max, BICMOS, PQCC20

View Part →

Frequently Asked Questions

What is the price of LM5145QRGYRQ1?

LM5145QRGYRQ1 is priced from $2.5000 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is LM5145QRGYRQ1 in stock?

LM5145QRGYRQ1 is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy LM5145QRGYRQ1?

You can buy LM5145QRGYRQ1 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for LM5145QRGYRQ1 from Texas Instruments.

What is the datasheet for LM5145QRGYRQ1?

The official LM5145QRGYRQ1 datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does LM5145QRGYRQ1 come in?

LM5145QRGYRQ1 is available in Other packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $2.5000
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
25+$3.3884$84.71
100+$3.0696$306.96
250+$2.9223$730.58
500+$2.7500$1375.00
1000+$2.6000$2600.00
3000+$2.5000$7500.00
pcs
Unit price: $3.3884 · Total: $84.71

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India