Global Leading Electronic Components Supplier - Kimter Electronics

INA139NA/3K Specifications

Targeted Current Sensing Solution for System Integrators

The INA139NA/3K current monitor integrated circuit is engineered to meet the needs of engineers and designers requiring precise high-side current sensing. As an active component from reputable integrated circuit suppliers, it is ideally suited for applications that demand stable and accurate current measurement, such as power management ic designs and embedded system diagnostics. Its broad input voltage compatibility and compact footprint enable seamless integration into complex circuits where performance and form factor are equally critical. This product facilitates enhanced current regulation and fault detection, benefitting users focused on system reliability and enhanced operational insights.

Advanced Technical Specifications for Precision Monitoring

Equipped with a high-side voltage sensing method, the INA139NA/3K offers robust electrical characteristics and a measurement accuracy of ±0.5%, ensuring reliable data for system control. Supporting a wide operating voltage range from 2.7V up to 40V and functioning effectively across an industrial temperature range (-40°C to 125°C), this integrated circuit supports demanding environments. Its SOT-23-5 surface-mount package optimizes board space, making it an attractive choice among integrated circuits for power management ic solutions. Additional features include RoHS compliance, tape and reel packaging options, and suitability for rapid assembly processes.

Versatile Deployment Across Multiple Industry Segments

This integrated circuit is employed in a range of fields, including automotive overcurrent protection, renewable energy converters, and precision power management systems. It enables enhanced current monitoring for battery management in portable devices, energy efficiency improvement in data centers, and safety assurance in high-voltage applications. By delivering accurate current monitoring with minimal power loss, the INA139NA/3K supports industries that demand dependable measurement data to optimize performance and safeguard system components. Its role extends to prototyping and testing environments, contributing measurable value by enabling real-time diagnostics and consistent operational oversight.

Product Advantages

Innovative Design Supporting Efficient Integration

The INA139NA/3K’s compact SOT-23-5 package allows system designers to incorporate a high-precision current monitor in space-constrained applications without compromising performance. Its high-side sensing capability reduces complexity by avoiding the need for additional external components, streamlining the overall design. As a power management ic supplied by established integrated circuit suppliers, it adheres to strict manufacturing standards, ensuring component traceability and authenticity. This integrated circuit’s robust operating voltage range and temperature tolerance further enhance design flexibility, allowing it to function reliably in diverse system architectures and harsh environmental conditions.

Enhanced Performance Delivering Reliable User Outcomes

Offering ±0.5% accuracy, the INA139NA/3K provides dependable current measurement essential for power regulation and system safety. Users benefit from its stable response over a wide voltage and temperature range, reducing maintenance needs and supporting long-term reliability. The inclusion of a compact, lightweight surface-mount package simplifies automated assembly and integration into existing workflows. As an ic supplier-verified device, customers gain assurance of quality and consistent performance. These attributes make it a favored integrated circuit for users seeking improved diagnostics and efficient current control in mission-critical applications.

Use Scenarios

Current Monitoring in Automotive Electronics

In automotive systems, continuous monitoring of current flow is vital for detecting overcurrent conditions that could jeopardize vehicle safety and component longevity. The INA139NA/3K serves as a power management ic integrated into battery management and motor control circuits, providing precise high-side current measurements essential for real-time diagnostics. Its ability to operate reliably under extreme temperatures (-40°C to 125°C) aligns with automotive industry standards, ensuring consistent performance in harsh environments. By integrating this integrated circuit into automotive electronic control units, manufacturers enhance system protection while maintaining regulatory compliance and operational efficiency.

Energy Efficiency Optimization in Data Center Power Distribution

Data centers demand precise current regulation to optimize energy distribution and prevent overloads in power distribution units (PDUs). The INA139NA/3K current monitor integrated circuit, delivered by trusted integrated circuit suppliers, enables accurate sensing within power management ic systems to ensure real-time feedback and control. Its wide input voltage support and compact surface-mount design facilitate its integration into densely packed data center equipment. By employing this ic, data center operators gain enhanced visibility into power usage, enabling energy conservation strategies, reducing downtime, and improving system reliability across critical infrastructure networks.

FAQ

How do I place an order for the INA139NA/3K current monitor IC?

You can submit a Request for Quotation (RFQ) through our website, and our agent will assist with pricing and order processing. We aim to provide a smooth experience sourcing this precision IC from trusted distributors worldwide.

Can you assure the authenticity of the INA139NA/3K device?

We verify all components through strict quality control and supplier qualification reviews. By partnering with authorized manufacturers and distributors, we maintain the authenticity and reliability of all integrated circuits we supply.

What payment options are available when buying from Kimter Electronics?

We accept multiple payment methods including Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, and MoneyGram. Some methods may have handling fees; our team will guide you through available options during order placement.

Are there any special considerations for integrating the INA139NA/3K in my project?

The INA139NA/3K supports high-side voltage sensing in a compact SOT-23-5 package, ideal for limited spaces. Its wide operating voltage (2.7V–40V) and temperature range (-40°C–125°C) make it versatile for various power management IC applications requiring accurate current monitoring.

INA139NA/3K FAQ

1. How to order INA139NA/3K on Kimter Electronics?

Currently, Kimter Electronics only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does Kimter Electronics guarantee that INA139NA/3K is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the INA139NA/3K. All suppliers must pass our qualification reviews before they can publish their products including INA139NA/3K on Kimter Electronics; we pay more attention to the channels and quality of INA139NA/3K products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the INA139NA/3K price and inventory displayed accurate?

The price and inventory of INA139NA/3K fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of INA139NA/3K?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the INA139NA/3K we delivered, we will accept the replacement or return of the INA139NA/3K only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of INA139NA/3K.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations

7.How to contact us to get technical supports, such as INA139NA/3K pin diagram, INA139NA/3K datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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