TL1451AQD Texas Instruments Integrated Circuit (Other) In Stock

Name: TL1451AQD
Brand: Texas Instruments
SKU: TL1451AQD
Availability: InStock

TL1451AQD is a dual-channel PWM switching controller from Texas Instruments with a wide 3.6V to 50V input voltage range, voltage-mode control, and up to 50V operation. Available from $1.66 in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

TL1451AQDOther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 16
Lifecycle: ACTIVE
Datasheet: TL1451AQD Datasheet PDF
Category: Integrated Circuit
Price: From $1.6600(MOQ 400)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TL1451AQD?

Wide input voltage range from 3.6V to 50V supports diverse power supply designs
Dual-channel voltage-mode PWM control enables compact two-output regulation
Pulse width modulation technique delivers precise and stable output regulation
Available in SOIC-16 (R-PDSO-G16) package for space-constrained PCB layouts
RoHS compliant (Pb-free) construction suitable for modern green electronics

What is TL1451AQD used for?

The TL1451AQD is widely used in industrial and consumer power supply designs requiring dual-output regulation with a wide input voltage range. Its voltage-mode PWM control makes it ideal for DC-DC converters, telecom power modules, and battery-powered systems. It is also well-suited for embedded systems and point-of-load converters where compact dual-channel control is essential.

What are the specifications of TL1451AQD?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	DUAL SWITCHING CONTROLLER
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	50V
Input Voltage-Min	3.6V
Input Voltage-Nom	6V
JESD-30 Code	R-PDSO-G16
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	2
Output Current-Max	3A
Output Voltage-Max	50V
Output Voltage-Min	1V
Output Voltage-Nom	2.5V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP16,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Current-Max (Isup)	2.4mA
Supply Voltage-Nom (Vsup)	6V
Surface Mount	YES
Switcher Configuration	BUCK-BOOST
Switching Frequency-Max	500kHz
Technology	CMOS
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Taiwan

Where can I find the TL1451AQD datasheet?

TL1451AQD Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TL1451AQD?

Compatible alternatives and drop-in replacements for TL1451AQD:

TL1451ACDTexas Instruments

Dual Switching Controller, Voltage-mode, 3A, 500kHz Switching Freq-Max, CMOS, PDSO16

View Part →

TL1451ACDG4Texas Instruments

Dual Switching Controller, Voltage-mode, 0.021A, 500kHz Switching Freq-Max, CMOS, PDSO16

View Part →

TL1451ACNSTexas Instruments

Dual Switching Controller, Voltage-mode, 3A, 500kHz Switching Freq-Max, CMOS, PDSO16

View Part →

TL1451ACDRG4Texas Instruments

Dual Switching Controller, Voltage-mode, 0.021A, 500kHz Switching Freq-Max, CMOS, PDSO16

View Part →

TL1451ACNSRG4Texas Instruments

Dual Switching Controller, Voltage-mode, 0.021A, 500kHz Switching Freq-Max, CMOS, PDSO16

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the TL1451AQD?

The TL1451AQD supports a wide input voltage range from 3.6V minimum to 50V maximum, with a nominal operating voltage of 6V. This makes it suitable for a broad range of power supply applications including industrial and telecom systems.

What control method does the TL1451AQD use?

The TL1451AQD uses voltage-mode control with pulse width modulation (PWM) technique. This provides stable and precise output regulation across both channels, making it ideal for DC-DC converter designs requiring consistent performance.

What package is the TL1451AQD available in?

The TL1451AQD is available in a 16-pin SOIC package (JESD-30 code: R-PDSO-G16). This surface-mount package is compact and well-suited for space-constrained PCB designs in industrial and consumer electronics.

Is the TL1451AQD RoHS compliant?

Yes, the TL1451AQD is Pb-free and RoHS compliant (Pbfree Code: Yes, JESD-609 Code: e4), meeting modern environmental standards for use in green electronics and products requiring lead-free manufacturing.

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.

Aug 6, 2026

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.

Aug 6, 2026

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.

Aug 4, 2026

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

Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.

Aug 4, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

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.

View all Texas Instruments parts →

More from Texas Instruments

SN74HC138PWT

Small Outline Packages

Integrated Circuit

MCP6292IDGKT

Small Outline Packages

Integrated Circuit

CD4511BMN

Dual-In-Line Packages

Integrated Circuit

UCC2803DG4

Small Outline Packages

Integrated Circuit

MC33078DRE4

Small Outline Packages

Integrated Circuit

TLV6710DDCT

SOT23 (6-Pin)

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

From $1.6600

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
400+	$2.3102	$924.09
500+	$1.8700	$935.00
1000+	$1.7700	$1770.00
10000+	$1.6600	$16600.00

pcs

Unit price: $2.3102 · Total: $924.09

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

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TL1451AQD Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of TL1451AQD?

What is TL1451AQD used for?

What are the specifications of TL1451AQD?

Compliance & Regulatory

Where can I find the TL1451AQD datasheet?

What are equivalent replacements for TL1451AQD?

Frequently Asked Questions

What is the input voltage range of the TL1451AQD?

What control method does the TL1451AQD use?

What package is the TL1451AQD available in?

Is the TL1451AQD RoHS compliant?

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

More from Texas Instruments

You May Also Like