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INA240A1EDRQ1

AEC-Q100 Current Sense Amp, 20V/V, -4V to 80V CM, Enhanced PWM Rejection, VSSOP-8

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制造商零件：

INA240A1EDRQ1

包装：

VSSOP-8 / MSOP-8 (4.9 x 3.0 x 1.0 mm)

品牌：
产品类别：
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说明

产品概览

The INA240A1EDRQ1 from Texas Instruments is an AEC-Q100 qualified, -4V to 80V bidirectional current sense amplifier with 20 V/V gain and enhanced PWM rejection, designed for motor drive and solenoid control.

主要规格

类型 Automotive Current Sense Amplifier with Enhanced PWM Rejection
Gain 20 V/V
Common-Mode Voltage Range -4 V to +80 V
电源电压 2.7 V to 5.5 V
Offset Voltage +/-25 uV (max)
Gain Error 0.20% (max)
Offset Drift 250 nV/C (max)
Gain Error Drift 2.5 ppm/C (max)
DC CMRR 132 dB
AC CMRR @ 50kHz 93 dB
Bandwidth 400 kHz
Supply Current 2.4 mA (max)
包装 VSSOP-8 (DGK)
工作温度 -40C to +125C (Grade 1)
AEC-Q100 Grade 1 qualified

特点

  • AEC-Q100 Grade 1 qualified (-40C to +125C)
  • -4V to +80V common-mode range (below ground capable)
  • Enhanced PWM rejection for motor drive applications
  • 132 dB DC CMRR for precision measurement
  • +/-25 uV max offset voltage (zero-drift architecture)
  • 0.20% max gain error
  • Functional safety documentation available
  • Bidirectional current sensing with REF pins

应用

  • Motor drive current sensing with PWM
  • Electronic power steering torque sensing
  • Solenoid and valve current control
  • Battery management system current monitoring

The INA240A1EDRQ1 from Texas Instruments is an automotive-qualified bidirectional current sense amplifier with a fixed gain of 20 V/V. The device features an exceptional -4 V to +80 V common-mode voltage range that operates independently of the 2.7-5.5 V supply, enabling current measurement on high-side and low-side shunts as well as below-ground sensing during solenoid flyback periods. The enhanced PWM rejection circuitry suppresses large common-mode transients (dV/dt) from motor drive PWM signals, eliminating output ripple artifacts that plague conventional current sense amplifiers. The zero-drift architecture delivers +/-25 uV max offset voltage with 250 nV/C drift, enabling accurate measurement of very small shunt voltages (down to 10 mV full-scale). AEC-Q100 Grade 1 qualification ensures reliability in automotive environments.

The INA240A1EDRQ1 uses a zero-drift (chopper-stabilized) architecture where the input offset and 1/f noise are continuously corrected by modulating the input signal at a high frequency, passing it through the amplifier, and then demodulating the output. This auto-correction cycle eliminates offset drift and low-frequency noise, achieving +/-25 uV max offset over temperature. The enhanced PWM rejection circuit consists of a specialized input filter and common-mode detection stage that identifies rapid common-mode transitions (such as PWM switching edges) and applies additional suppression during these events. Two reference pins (REF1, REF2) allow setting the output baseline voltage for bidirectional sensing: the output voltage equals VREF + Gain x (IN+ – IN-). The -4 V negative common-mode capability is achieved through a charge-pump circuit that biases the input stage below ground, accommodating the negative flyback voltage across inductive loads.

针脚 名称 类型 功能
1 IN- 输入 Inverting input (shunt low side)
2 IN+ 输入 Non-inverting input (shunt high side)
3 VS 电源 Supply voltage (2.7-5.5V)
4 接地 地面 地面
5 REF2 输入 Reference voltage input 2
6 REF1 输入 Reference voltage input 1
7 出局 输出 Amplifier output
8 北卡罗来纳州 - 无连接
  • Three-phase BLDC motor phase current sensing with PWM inverter rejection
  • Electric power steering motor current feedback loop
  • 48V battery management system high-side current measurement
  • Solenoid driver current monitoring with negative flyback common-mode
制造商 部件编号 包装 说明
TI INA240A2EDRQ1 VSSOP-8 50 V/V gain version
TI INA240A3EDRQ1 VSSOP-8 100 V/V gain version
TI INA240A4EDRQ1 VSSOP-8 200 V/V gain version
TI INA293A1QDRQ1 VSSOP-8 Similar, -4V to 110V CM
ADI AD8418AWHRZ SOIC-8 Automotive, 0-80V CM, 20V/V
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • 汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • 医疗设备: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

联系我们

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
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  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
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  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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