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INA168QDBVRQ1

AEC-Q100 High-Side Current Monitor, 60V CMV, 0.5%, SOT-23-5

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Manufacturer Part：

INA168QDBVRQ1

Package：

SOT-23-5 (2.9 x 1.6 x 1.0 mm)

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Description

Product Overview

The INA168QDBVRQ1 from Texas Instruments is an AEC-Q100 automotive-grade high-side current shunt monitor with 2.7-60V common-mode range, 0.5% accuracy, and adjustable gain in a SOT-23-5 package.

Key Specifications

Type High-Side Current Shunt Monitor (Automotive)
Common-Mode Voltage 2.7 V to 60 V
Supply Voltage 2.7 V to 60 V
Accuracy 0.5% (max gain error)
Bandwidth 800 kHz @ G=100
Input Offset +/-1 mV (max)
CMRR 100 dB (min)
Quiescent Current 60 uA (typical)
Output Current output (externally set gain)
AEC-Q100 Grade 1 (-40C to +125C)
Package SOT-23-5

Features

  • 2.7V to 60V wide common-mode range
  • 0.5% max gain error
  • 100 dB minimum CMRR
  • 60 uA quiescent current
  • Adjustable gain via external resistor
  • AEC-Q100 Grade 1 qualified
  • Current output for noise immunity

Applications

  • Automotive battery current monitoring
  • Motor drive current sensing
  • Power supply load monitoring
  • Overcurrent protection

The INA168QDBVRQ1 from Texas Instruments is an AEC-Q100 Grade 1 qualified high-side current shunt monitor that measures voltage across a shunt resistor and provides a proportional output current. The device operates with a common-mode voltage range of 2.7V to 60V, independent of the supply voltage, making it ideal for automotive 12V and 48V battery systems. The 0.5% maximum gain error and 100 dB minimum CMRR provide precise current measurement even in noisy environments. The current-output architecture allows the gain to be set with a single external resistor, and the output can drive long traces without voltage drop concerns. The 60 uA quiescent current minimizes battery drain in always-on applications. The 800 kHz bandwidth at G=100 supports motor control and switching power supply current sensing.

The INA168QDBVRQ1 uses a precision difference amplifier to measure the small voltage drop across an external shunt resistor placed between the power supply and the load (high-side sensing). The input stage handles common-mode voltages from 2.7V to 60V while amplifying the differential shunt voltage. The internal amplifier drives a current output that is proportional to the sensed shunt voltage: IOUT = (VSENSE / 5kOhm) where VSENSE is the voltage across the shunt. An external load resistor (RL) converts this output current to a ground-referenced voltage: VOUT = IOUT x RL. The gain is therefore: G = RL / 5kOhm. This current-output architecture provides inherent noise immunity for long PCB traces, as the output voltage is developed locally at the ADC. The 100 dB CMRR ensures that common-mode voltage fluctuations (such as from battery transients) do not affect the measurement accuracy. The internal reference current source sets the 5kOhm transconductance factor.

Pin Name Type Function
1 OUT Output Current output (proportional to Vshunt)
2 GND Power Ground
3 V+ Input Shunt resistor positive terminal (high-side)
4 V- Input Shunt resistor negative terminal (load-side)
5 Vs Power Supply voltage (2.7-60V)
  • 48V mild-hybrid battery pack current monitoring with 60V CMV margin
  • BLDC motor phase current sensing with 800kHz bandwidth for FOC
  • 12V automotive alternator output current measurement with AEC-Q100
  • Server power supply load current monitoring with 0.5% accuracy
Manufacturer Part Number Package Notes
TI INA168QDBVRQ1 SOT-23-5 Automotive Q1 version
TI INA168DBVR SOT-23-5 Non-automotive version
TI INA169NA/250 SOT-23-5 60V, similar, nano-power
TI INA138NA/250 SOT-23-5 Lower cost, lower accuracy
ADI LT6105IDCB SOT-23-6 60V, voltage output, alternative
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Quality Assurance

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:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: 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.

Contact Us

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

 

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

 

Shipping & Payment

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.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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

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  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
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  • Air Freight: 7 – 12 working days
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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.

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    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.

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    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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    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@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

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.

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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.

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5. Sourcing for Special Components

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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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  • 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@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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