TPS65321AQPWPRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: TPS65321AQPWPRQ1
Brand: Texas Instruments
SKU: TPS65321AQPWPRQ1
Availability: InStock

TPS65321AQPWPRQ1 is an automotive-grade synchronous buck converter with input voltage range of 3.6V to 36V, featuring adjustable output voltage from 1.1V to 20V and an integrated LDO regulator. Available in a compact 14-Pin HTSSOP EP package with AEC-Q100 qualification for reliable automotive use.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

TPS65321AQPWPRQ1Small Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 15
Lifecycle: ACTIVE
Datasheet: TPS65321AQPWPRQ1 Datasheet PDF
Category: Integrated Circuit
Price: From $1.3700(MOQ 250)
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 TPS65321AQPWPRQ1?

Automotive AEC-Q100 qualified synchronous buck converter with 3.6V to 36V input range
Adjustable output voltage from 1.1V to 20V with current-mode PWM control
Integrated LDO regulator supporting supply voltages from 3V to 36V in a 14-Pin HTSSOP EP package

What is TPS65321AQPWPRQ1 used for?

TPS65321AQPWPRQ1 is designed for automotive power management applications such as ADAS modules, infotainment systems, and body electronics requiring a wide-input DC-DC step-down conversion. Its adjustable output and integrated LDO make it suitable for powering microcontrollers and sensors in harsh automotive environments.

What are the specifications of TPS65321AQPWPRQ1?

Pbfree Code	Yes
Date Of Intro	2017-12-02
YTEOL	15
Additional Feature	ADJUSTABLE OUTPUT VOLTAGE= 1.1V TO 20V; LDO REGULATOR SUPPLY VOLTAGE= 3V TO 36V
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	36V
Input Voltage-Min	3.6V
Input Voltage-Nom	12V
JESD-30 Code	R-PDSO-G14
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	2
Output Current-Max	3.2A
Output Voltage-Max	20V
Output Voltage-Min	1.1V
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Screening Level	AEC-Q100
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	2500kHz
Technology	BICMOS
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 3
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Taiwan

Where can I find the TPS65321AQPWPRQ1 datasheet?

TPS65321AQPWPRQ1 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TPS65321AQPWPRQ1?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the input voltage range of TPS65321AQPWPRQ1 and how does it suit automotive battery systems?

TPS65321AQPWPRQ1 supports an input voltage range of 3.6V to 36V, making it compatible with standard 12V automotive battery rails including load-dump transients up to 36V, ensuring robust operation in passenger vehicle power networks.

How adjustable is the output voltage on TPS65321AQPWPRQ1, and what load scenarios benefit most?

The output voltage is adjustable from 1.1V to 20V, allowing designers to power a wide range of loads including 1.8V microcontrollers, 3.3V sensors, and 5V peripherals from a single automotive rail without additional converters.

Which automotive qualification standard does TPS65321AQPWPRQ1 meet and what does that mean for reliability?

TPS65321AQPWPRQ1 carries AEC-Q100 automotive qualification, requiring devices to pass stress tests at temperatures from -40°C to 125°C, guaranteeing long-term reliability in underhood and cabin automotive applications.

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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 $1.3700

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
250+	$1.5849	$396.22
500+	$1.5297	$764.83
1000+	$1.4800	$1480.00
2000+	$1.4000	$2800.00
4000+	$1.3700	$5480.00

pcs

Unit price: $1.5849 · Total: $396.22

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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James Wright

Supply Chain Director, CircuitPro Ltd, UK

TPS65321AQPWPRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of TPS65321AQPWPRQ1?

What is TPS65321AQPWPRQ1 used for?

What are the specifications of TPS65321AQPWPRQ1?

Compliance & Regulatory

Where can I find the TPS65321AQPWPRQ1 datasheet?

What are equivalent replacements for TPS65321AQPWPRQ1?

Frequently Asked Questions

What is the input voltage range of TPS65321AQPWPRQ1 and how does it suit automotive battery systems?

How adjustable is the output voltage on TPS65321AQPWPRQ1, and what load scenarios benefit most?

Which automotive qualification standard does TPS65321AQPWPRQ1 meet and what does that mean for reliability?

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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