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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLM51581QRTERQ1
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LM51581QRTERQ1 - Texas Instruments

Manufacturer Part Number
LM51581QRTERQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM51581QRTERQ1
ECAD Model
Parts Description
IC REG BOOST ADJ 1.63A 16WQFN
Detailed Description
Package
16-WFQFN Exposed Pad
Data sheet
LM51581QRTERQ1.pdf
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Specifications

LM51581QRTERQ1 Tech Specifications
Texas Instruments - LM51581QRTERQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM51581QRTERQ1

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 1.5V  
Voltage - Output (Max) 83V  
Voltage - Input (Min) 1.5V  
Voltage - Input (Max) 60V  
Topology Boost, Flyback, SEPIC  
Synchronous Rectifier No  
Supplier Device Package 16-WQFN (3x3)  
Series Automotive, AEC-Q100  
Package / Case 16-WFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Up/Step-Down  
Frequency - Switching 100kHz ~ 2.2MHz  
Current - Output 1.63A (Switch)  

Parts Introduction

Manufacturer Part Number

LM51581QRTERQ1

Manufacturer

Texas Instruments

Introduction

The LM51581QRTERQ1 from Texas Instruments is a versatile, high-performance DC DC switching regulator designed for power management applications. It offers adjustable output through boost, flyback, and SEPIC topologies.

Product Features and Performance

Supports step-up and step-up/step-down configurations

Adjustable output for versatile power management

Operates across a wide input voltage range from 1.5V to 60V

Delivers output voltage from 1.5V up to 83V with a switch current of 1.63A

Wide switching frequency range (100kHz to 2.2MHz) for flexible design

Capable of operating in temperatures from -40°C to 125°C

Product Advantages

High efficiency and flexibility for power conversion

Wide input voltage range accommodates various power sources

Compact 16-WFQFN package saves space on PCB

Automotive-grade quality and AEC-Q100 qualification for reliability

Key Technical Parameters

Voltage Input (Min/Max): 1.5V/60V

Voltage Output (Min/Max): 1.5V/83V

Current Output (Switch): 1.63A

Frequency Switching: 100kHz to 2.2MHz

Operating Temperature: -40°C to 125°C

Automotive Grade with AEC-Q100 qualification

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Built-in thermal shutdown and overcurrent protection

Highly reliable with a robust design

Compatibility

Suitable for use in automotive and industrial applications

Compatible with a wide range of input sources and load conditions

Application Areas

Automotive electronics

Portable devices

Industrial power supplies

Solar power systems

Product Lifecycle

Currently active and in production

No indication of discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Versatile power solution with adjustable output voltage

Wide input voltage range suitable for various applications

High efficiency and compact size improve overall system performance

Automotive-grade reliability for critical applications

Extensive protection features enhance system safety

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM51581QRTERQ1

Product Attribute LM51581QRTERQ1 LM5158QRTERQ1 LM5160DNTT LM5160ADNTT
Part Number LM51581QRTERQ1 LM5158QRTERQ1 LM5160DNTT LM5160ADNTT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Current - Output 1.63A (Switch) 3.26A (Switch) 2A 2A
Output Type Adjustable Adjustable Adjustable Adjustable
Series Automotive, AEC-Q100 Automotive, AEC-Q100 - -
Number of Outputs 1 1 1 1
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Package / Case 16-WFQFN Exposed Pad 16-WFQFN Exposed Pad 12-WFDFN Exposed Pad 12-WFDFN Exposed Pad
Synchronous Rectifier No No Yes Yes
Topology Boost, Flyback, SEPIC Boost, Flyback, SEPIC Buck, Flyback Buck, Flyback
Supplier Device Package 16-WQFN (3x3) 16-WQFN (3x3) 12-WSON (4x4) 12-WSON (4x4)
Voltage - Input (Max) 60V 60V 65V 65V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Voltage - Input (Min) 1.5V 1.5V 4.5V 4.5V
Output Configuration Positive Positive Positive, Isolation Capable Positive, Isolation Capable
Voltage - Output (Max) 83V 83V 60V 60V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Frequency - Switching 100kHz ~ 2.2MHz 100kHz ~ 2.2MHz Adj to 1MHz Adj to 1MHz
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Down Step-Down
Voltage - Output (Min/Fixed) 1.5V 1.5V 2V 2V

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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

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LM51581QRTERQ1 Image

LM51581QRTERQ1

Texas Instruments
32D-LM51581QRTERQ1

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