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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS628132DQWRWYRQ1
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TPS628132DQWRWYRQ1 - Texas Instruments

Manufacturer Part Number
TPS628132DQWRWYRQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS628132DQWRWYRQ1
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
35,281 pcs available, New & Original
Parts Description
AUTOMOTIVE 2.75-V TO 6-V, 3-A ST
Package
9-VQFN-HR (3x2)
Data sheet
TPS628132DQWRWY.pdf

PCN Assembly/Origin

Multiple changes 15/Feb/2022.pdf

HTML Datasheet

TPS6281x-Q1.pdf
RoHs Status
 
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Specifications

TPS628132DQWRWYRQ1 Tech Specifications
Texas Instruments - TPS628132DQWRWYRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS628132DQWRWYRQ1

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) 1.35V
Voltage - Output (Max) -
Voltage - Input (Min) 2.75V
Voltage - Input (Max) 6V
Topology Buck
Synchronous Rectifier Yes
Supplier Device Package 9-VQFN-HR (3x2)
Series Automotive, AEC-Q100
Package / Case 9-VFQFN
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C (TJ)
Number of Outputs 1
Mounting Type Surface Mount, Wettable Flank
Function Step-Down
Frequency - Switching 1.8MHz ~ 4MHz
Current - Output 3A

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status Not applicable
Moisture Sensitivity Level (MSL) 2 (1 Year)
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TPS628132DQWRWYRQ1 Image
TPS628132DQWRWYRQ1 (1)

Manufacturer Part Number

TPS628132DQWRWYRQ1

Manufacturer

Texas Instruments

Introduction

TPS628132DQWRWYRQ1 by Texas Instruments is a part of the Power Management ICs category specifically designed for DC DC Switching Regulators.

Product Features and Performance

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Output Type: Fixed

Number of Outputs: 1

Frequency - Switching: 1.8MHz ~ 4MHz

Synchronous Rectifier: Yes

Operating Temperature Range: -40°C ~ 125°C (TJ)

Mounting Type: Surface Mount, Wettable Flank

Package/Case: 9-VFQFN

Output Current: 3A

Product Advantages

Designed for automotive applications

High efficiency with fixed output

Support for a broad range of input and output voltages

Incorporates synchronous rectification for better efficiency

Optimized for use over a wide temperature range

Key Technical Parameters

Voltage - Input (Min): 2.75V

Voltage - Input (Max): 6V

Voltage - Output (Min/Fixed): 1.35V

Current - Output: 3A

Frequency - Switching: 1.8MHz ~ 4MHz

Quality and Safety Features

Qualified under AEC-Q100 for automotive use

Operational over a wide temperature range ensuring reliability under various environmental conditions

Compatibility

Compatible with various 3x2 9-VFQFN HR packages

Designed for automated surface mount assembly

Application Areas

Automotive electronics

Power regulation for sensitive microprocessors

Portable and battery-powered devices

Product Lifecycle

Status: Active

No current indications of discontinuation

Support and replacements available

Several Key Reasons to Choose This Product

High efficiency and reliability for automotive applications

Wide operational temperature and voltage range

Compact size (9-VFQFN package)

Robust design qualifying AEC-Q100 standards

Advanced switching frequency for optimized performance

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the TPS628132DQWRWYRQ1 that make it suitable for automotive power applications?
The TPS628132DQWRWYRQ1 operates across a wide input voltage range from 2.75V to 6V, which aligns well with typical automotive battery voltages during cold crank or load dump conditions. With a fixed output of 1.35V and continuous current capability up to 3A, it supports powering sensitive digital loads such as microcontrollers or sensors in harsh environments. Its switching frequency spans 1.8MHz to 4MHz, enabling smaller external components—critical in space-constrained automotive designs. Additionally, the device features synchronous rectification, improving efficiency compared to asynchronous alternatives under light and full-load conditions.
How does the TPS628132DQWRWYRQ1 compare to other buck regulators in terms of thermal performance and package footprint for high-current automotive systems?
Compared to standard QFN packages, the 9-VQFN-HR (3x2) package used by the TPS628132DQWRWYRQ1 offers improved thermal dissipation due to enhanced thermal pad connectivity and wettable flank technology, which enhances solder fillet formation and heat transfer to the PCB. This is particularly beneficial when delivering 3A continuously in compact automotive modules where junction temperatures must remain below 125°C even under ambient temperatures up to 85°C. While larger packages like TO-263 may offer better thermal resistance, they are less compatible with automated assembly processes and increase board area—making this QFN a balanced choice for high-volume, thermally demanding applications.
Can the TPS628132DQWRWYRQ1 be used in systems requiring tight voltage accuracy and stability over temperature?
Yes, the TPS628132DQWRWYRQ1 provides a fixed 1.35V output with high initial accuracy and maintains regulation within ±1% over its full operating temperature range from -40°C to 125°C. This level of precision is essential for automotive-grade processors and analog front-ends where supply noise or drift can affect system reliability. The internal feedback loop compensates for component aging and temperature variations, ensuring consistent performance without requiring external compensation networks beyond standard inductor and capacitor selections.
What design considerations are necessary when implementing the TPS628132DQWRWYRQ1 in a layout optimized for electromagnetic compatibility (EMC) in automotive environments?
To minimize conducted emissions and improve EMC compliance, the TPS628132DQWRWYRQ1 should be placed close to the input capacitor, with short traces between the IC, inductor, and output capacitors. The use of low-ESR ceramic capacitors at both input and output helps reduce ripple and ringing. A ground plane under the 9-VQFN-HR package improves heat spreading and reduces impedance in high-frequency return paths. Shielding or proper layer stack-up in multi-layer PCBs can further suppress radiated emissions, especially given the regulator’s operation in the 1.8–4 MHz range, which overlaps with sensitive RF bands in vehicles.
Is the TPS628132DQWRWYRQ1 qualified for functional safety applications, and what evidence supports its reliability in mission-critical automotive functions?
While the TPS628132DQWRWYRQ1 is not inherently certified for ISO 26262 functional safety, it is AEC-Q100 Grade 1 qualified, meaning it meets rigorous stress tests including temperature cycling, humidity bias, and power cycling to simulate long-term vehicle operation. This qualification ensures robustness against mechanical and environmental stresses. However, engineers must still conduct failure mode analysis and implement redundancy or monitoring circuits when using the part in ASIL-rated subsystems, as the device itself does not include safety mechanisms such as open-circuit detection or overtemperature lockout.
How does the switching frequency flexibility of the TPS628132DQWRWYRQ1 impact component selection and system cost in mass-produced automotive electronics?
The adjustable switching frequency range of 1.8MHz to 4MHz allows designers to optimize trade-offs between size, efficiency, and EMI. Lower frequencies within this range enable the use of smaller inductors but may increase conduction losses; higher frequencies reduce magnetics size and allow thinner PCBs but require faster-switching diodes or MOSFETs. For the TPS628132DQWRWYRQ1, selecting a frequency near 3MHz often strikes an optimal balance, allowing compact magnetics and standard ceramic capacitors while staying clear of AM band interference. This tunability helps reduce BOM cost without sacrificing performance in high-volume automotive production.
What are the limitations of the TPS628132DQWRWYRQ1 regarding startup behavior and input voltage thresholds in cold-start scenarios?
The minimum input voltage of 2.75V means the TPS628132DQWRWYRQ1 cannot operate during deep discharge or cold crank events where battery voltage may dip below 2.7V. In such cases, auxiliary pre-regulators or supercapacitors may be needed to bring the input above threshold before main power delivery begins. Additionally, soft-start is typically integrated to limit inrush current, but abrupt input transients above 6V could damage the device unless protected externally—highlighting the need for transient voltage suppression diodes in automotive load dump environments.
Why might a designer choose the TPS628132DQWRWYRQ1 over alternative buck regulators with similar output current ratings?
The combination of high efficiency (>90% at 3A load), small form factor (3x2 mm), and automotive-grade packaging makes the TPS628132DQWRWYRQ1 advantageous for space-constrained modules like ADAS cameras or infotainment units. Unlike linear regulators, it avoids significant power dissipation at 3A, and unlike some competitors with fixed frequencies, its adjustable switching range enables better EMI management. Furthermore, synchronous rectification reduces heat generation compared to diode-based solutions, lowering cooling requirements in sealed enclosures common in modern vehicles.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS628132DQWRWYRQ1

Product Attribute TPS628132MQWRWYRQ1 TPS6281320QWRWYRQ1 TPS6281326QWRWYRQ1 TPS628122GQWRWYRQ1
Part Number TPS628132MQWRWYRQ1 TPS6281320QWRWYRQ1 TPS6281326QWRWYRQ1 TPS628122GQWRWYRQ1
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Configuration - - - -
Series - - - -
Number of Outputs - - - -
Voltage - Output (Min/Fixed) - - - -
Topology - - - -
Function - - - -
Voltage - Input (Min) - - - -
Frequency - Switching - - - -
Synchronous Rectifier - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Input (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Output - - - -
Voltage - Output (Max) - - - -

TPS628132DQWRWYRQ1 Datasheet PDF

Download TPS628132DQWRWYRQ1 pdf datasheets and Texas Instruments documentation for TPS628132DQWRWYRQ1 - Texas Instruments.

PCN Assembly/Origin
Multiple changes 15/Feb/2022.pdf
HTML Datasheet
TPS6281x-Q1.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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Brazil 7
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DHL & FedEx Shipment Charges Reference
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1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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Contact us if you have any questions.
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TPS628132DQWRWYRQ1 Image

TPS628132DQWRWYRQ1

Texas Instruments
32D-TPS628132DQWRWYRQ1

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