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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS65581PWPR
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TPS65581PWPR - Texas Instruments

Manufacturer Part Number
TPS65581PWPR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS65581PWPR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG BUCK ADJ TRPL 20HTSSOP
Package
20-HTSSOP
Data sheet
1.TPS65581PWPR.pdf ...

PCN Design/Specification

Cylindrical Battery Holders.pdf

HTML Datasheet

TPS65581.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 13762
  • Unit Price: $1.814
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.814 $1.81
10+ $1.715 $17.15
30+ $1.655 $49.65
100+ $1.596 $159.60
500+ $1.569 $784.50
1000+ $1.556 $1,556.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

TPS65581PWPR Tech Specifications
Texas Instruments - TPS65581PWPR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS65581PWPR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 0.764V  
Voltage - Output (Max) 7V  
Voltage - Input (Min) 4.5V  
Voltage - Input (Max) 18V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 20-HTSSOP  
Series D-CAP2™  
Package / Case 20-PowerTSSOP (0.173', 4.40mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 3  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 700kHz  
Current - Output 1.5A, 2.5A  
Base Product Number TPS65581  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

TPS65581PWPR

Manufacturer

Texas Instruments

Introduction

The TPS65581PWPR is a highly integrated, high-performance step-down DC/DC converter designed for a wide range of applications, including portable electronics, industrial equipment, and power supplies.

Product Features and Performance

Adjustable output voltage from 0.764V to 7V

Supports up to 1.5A and 2.5A output current

Operating frequency of 700kHz

Synchronous rectifier design for high efficiency

D-CAP2 control mode for fast transient response and stability

Integrated MOSFET switches and bootstrap diode

Product Advantages

High efficiency and power density

Adjustable output voltage for flexibility

Tight voltage regulation and fast transient response

Thermal and overcurrent protection for reliability

Key Technical Parameters

Input voltage range: 4.5V to 18V

Output voltage range: 0.764V to 7V

Output current: 1.5A and 2.5A

Switching frequency: 700kHz

Operating temperature: -40°C to 85°C

Quality and Safety Features

ROHS3 compliant

Thermal and overcurrent protection

Compatibility

The TPS65581PWPR is compatible with a wide range of portable electronics, industrial equipment, and power supply applications.

Application Areas

Portable electronics (smartphones, tablets, laptops)

Industrial equipment (sensors, control systems)

Power supplies (server, telecom, industrial)

Product Lifecycle

The TPS65581PWPR is an active product, and Texas Instruments continues to provide support and availability. Replacement or upgrade options may be available from Texas Instruments.

Key Reasons to Choose This Product

High efficiency and power density for compact designs

Adjustable output voltage for flexibility in applications

Robust protection features for reliability

Compatibility with a wide range of applications

Continued support and availability from Texas Instruments

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS65581PWPR

Product Attribute TPS65581PWPR TPS65580PWPR TPS65581PWP TPS65630BRGER
Part Number TPS65581PWPR TPS65580PWPR TPS65581PWP TPS65630BRGER
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Input (Min) 4.5V 4.5V 4.5V -
Package Tape & Reel (TR) Tape & Reel (TR) Tube -
Voltage - Output (Max) 7V 7V 7V -
Frequency - Switching 700kHz 700kHz 700kHz -
Topology Buck Buck Buck -
Base Product Number TPS65581 TPS65580 TPS65581 -
Current - Output 1.5A, 2.5A 1.5A, 2.5A 1.5A, 2.5A -
Mounting Type Surface Mount Surface Mount Surface Mount -
Voltage - Output (Min/Fixed) 0.764V 0.764V 0.764V -
Voltage - Input (Max) 18V 18V 18V -
Output Configuration Positive Positive Positive -
Package / Case 20-PowerTSSOP (0.173', 4.40mm Width) 20-PowerTSSOP (0.173", 4.40mm Width) 20-PowerTSSOP (0.173', 4.40mm Width) -
Series D-CAP2™ D-CAP2™ D-CAP2™ -
Synchronous Rectifier Yes Yes Yes -
Function Step-Down Step-Down Step-Down -
Output Type Adjustable Adjustable Adjustable -
Number of Outputs 3 3 3 -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -
Supplier Device Package 20-HTSSOP 20-HTSSOP 20-HTSSOP -

TPS65581PWPR Datasheet PDF

Download TPS65581PWPR pdf datasheets and Texas Instruments documentation for TPS65581PWPR - Texas Instruments.

PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet
TPS65581.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
TPS65581PWPR Image

TPS65581PWPR

Texas Instruments
32D-TPS65581PWPR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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