LM5146QRGYTQ1 Texas Instruments Integrated Circuit (Other) In Stock

Name: LM5146QRGYTQ1
Brand: Texas Instruments
SKU: LM5146QRGYTQ1
Availability: InStock

LM5146QRGYTQ1 is a 100V voltage-mode PWM synchronous buck controller from Texas Instruments, supporting 5.5V–100V input range with pulse width modulation control. Ideal for industrial and automotive power supplies. From $3.32, in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

LM5146QRGYTQ1Other

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 21
Lifecycle: ACTIVE
Datasheet: LM5146QRGYTQ1 Datasheet PDF
Category: Integrated Circuit
Price: From $3.3177(MOQ 10)
Temp Range: -40.0°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LM5146QRGYTQ1?

100V wide input voltage range (5.5V–100V) suits high-voltage industrial and automotive applications
Voltage-mode PWM control with configurable pulse width modulation for precise output regulation
Synchronous buck topology improves efficiency and reduces external component count
AEC-Q100 qualified (QRGYTQ1 suffix) for automotive-grade reliability
Compact 20-pin VQFN (R-PQCC-N20) package for space-constrained designs
Pb-free and RoHS-compliant (JESD-609 e3) for global market compatibility

What is LM5146QRGYTQ1 used for?

The LM5146QRGYTQ1 is well-suited for automotive DC-DC power modules, including ADAS, infotainment, and body control units requiring robust 48V bus step-down conversion. It also serves industrial power supplies, telecom infrastructure equipment, and server power delivery networks where wide input voltage tolerance and high reliability are essential.

What are the specifications of LM5146QRGYTQ1?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	100V
Input Voltage-Min	5.5V
Input Voltage-Nom	48V
JESD-30 Code	R-PQCC-N20
JESD-609 Code	e3
Number of Functions	1
Number of Outputs	1
Output Current-Max	20A
Output Voltage-Max	60V
Output Voltage-Min	0.8V
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Cel)	260
Screening Level	AEC-Q100
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	1000kHz
Technology	BICMOS
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	30
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 2
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mainland China, Thailand

Where can I find the LM5146QRGYTQ1 datasheet?

LM5146QRGYTQ1 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM5146QRGYTQ1?

Compatible alternatives and drop-in replacements for LM5146QRGYTQ1:

suggested

suggested

suggested

LM5146QRGYRQ1Texas Instruments

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

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the LM5146QRGYTQ1?

The LM5146QRGYTQ1 supports an input voltage range of 5.5V to 100V, with a nominal operating voltage of 48V. This wide range makes it suitable for automotive 12V/24V/48V systems and industrial power supplies.

What control mode does the LM5146QRGYTQ1 use?

The LM5146QRGYTQ1 uses voltage-mode pulse width modulation (PWM) control. This control technique provides excellent noise immunity and simplifies loop compensation design for synchronous buck converter applications.

Is the LM5146QRGYTQ1 qualified for automotive applications?

Yes, the 'Q1' suffix in LM5146QRGYTQ1 indicates it is AEC-Q100 qualified for automotive use. It is designed to meet the stringent reliability and temperature requirements of automotive and industrial environments.

What package does the LM5146QRGYTQ1 come in?

The LM5146QRGYTQ1 is available in a 20-pin WQFN (R-PQCC-N20) package, which offers a compact footprint suitable for space-constrained automotive and industrial power supply designs.

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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.

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AvailabilityIn Stock

Reference Price (USD)

From $3.3177

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
10+	$4.5130	$45.13
25+	$4.1692	$104.23
100+	$3.7908	$379.08
1250+	$3.3869	$4233.63
1750+	$3.3516	$5865.35
2500+	$3.3177	$8294.27

pcs

Unit price: $4.5130 · Total: $45.13

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

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.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

LM5146QRGYTQ1 Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of LM5146QRGYTQ1?

What is LM5146QRGYTQ1 used for?

What are the specifications of LM5146QRGYTQ1?

Compliance & Regulatory

Where can I find the LM5146QRGYTQ1 datasheet?

What are equivalent replacements for LM5146QRGYTQ1?

Frequently Asked Questions

What is the input voltage range of the LM5146QRGYTQ1?

What control mode does the LM5146QRGYTQ1 use?

Is the LM5146QRGYTQ1 qualified for automotive applications?

What package does the LM5146QRGYTQ1 come in?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

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