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HomeProductsIntegrated Circuits (ICs)PMIC - Current Regulation/ManagementINA381A1IDSGR
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INA381A1IDSGR - Texas Instruments

Manufacturer Part Number
INA381A1IDSGR
Manufacturer
Texas Instruments
Allelco Part Number
32D-INA381A1IDSGR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC CURRENT SENSE 1% 8WSON
Package
8-WSON (2x2)
Data sheet
1.INA381A1IDSGR.pdf ...

HTML Datasheet

INA381Ax Datasheet.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 163430
  • Unit Price: $0.401
  • 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+ $0.401 $0.40
10+ $0.335 $3.35
30+ $0.302 $9.06
100+ $0.269 $26.90
500+ $0.24 $120.00
1000+ $0.229 $229.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

INA381A1IDSGR Tech Specifications
Texas Instruments - INA381A1IDSGR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - INA381A1IDSGR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Input 0V ~ 26V  
Supplier Device Package 8-WSON (2x2)  
Series Zero-Drift  
Sensing Method High/Low-Side  
Package / Case 8-WFDFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 125°C (TA)  
Mounting Type Surface Mount  
Function Current Sense  
Current - Output -  
Base Product Number INA381  
Accuracy ±1%  

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

INA381A1IDSGR

Manufacturer

Texas Instruments

Introduction

The INA381A1IDSGR is a part of Texas Instruments' Zero-Drift series, specialized in power management specifically in current regulation and management.

Product Features and Performance

Integrated comparator and current-sense amplifier

High-accuracy current sensing with ±1% accuracy

Capable of sensing both high-side and low-side

Wide input voltage range from 0V to 26V

Operating temperature range from -40°C to 125°C

Surface mount package for easy PCB integration

Product Advantages

Enhanced reliability with zero-drift technology

High accuracy ensures precise current measurement

Versatile sensing capability improves system design flexibility

Key Technical Parameters

Accuracy: ±1%

Voltage Input: 0V ~ 26V

Operating Temperature: -40°C ~ 125°C (TA)

Mounting Type: Surface Mount

Package / Case: 8-WFDFN Exposed Pad

Supplier Device Package: 8-WSON (2x2)

Quality and Safety Features

Built-in error reporting features for system safety enhancement

Robust construction suitable for harsh environments

Compatibility

Compatible with various microcontroller units (MCUs) and Digital Signal Processors (DSPs) due to standard voltage and sensing range

Application Areas

Power supply units

Battery management systems

Overcurrent protection systems

Portable devices monitoring

Product Lifecycle

Current product status is active

Not nearing discontinuation, with ongoing support and availability

Several Key Reasons to Choose This Product

High precision with ±1% accuracy ideal for critical applications

Wide input voltage range accommodating varied power systems

Zero-drift technology guarantees long-term stability and reliability

Flexible application range from industrial to consumer electronics

Texas Instruments' reputable manufacturing ensures quality and durability

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments INA381A1IDSGR

Product Attribute INA381A1IDSGT INA381A1IDGSR INA381A2IDSGR INA381A2IDSGT
Part Number INA381A1IDSGT INA381A1IDGSR INA381A2IDSGR INA381A2IDSGT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Sensing Method - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Input - - - -
Accuracy - - - -
Current - Output - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Function - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

INA381A1IDSGR Datasheet PDF

Download INA381A1IDSGR pdf datasheets and Texas Instruments documentation for INA381A1IDSGR - Texas Instruments.

HTML Datasheet
INA381Ax Datasheet.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

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INA381A1IDSGR Image

INA381A1IDSGR

Texas Instruments
32D-INA381A1IDSGR

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

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