INA219BIDCNT

Monitor 3V to 5.5V 8-Pin SOT-23 T/R
3,009 Effective Inventory

INA219BIDCNT

Effective Inventory3,009

Monitor 3V to 5.5V 8-Pin SOT-23 T/R

  • Manufacturer Part # : INA219BIDCNT

  • Package/Case: SOT23-8

  • Brand: Texas Instruments

  • Product Categories : Current Regulation/Management

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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INA219BIDCNT DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $2.131 $2.13
10 $1.784 $17.84
30 $1.567 $47.01
250 $1.437 $359.25
500 $1.337 $668.50
1000 $1.293 $1,293.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for INA219BIDCNT or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The INA219BIDCNT is a cutting-edge current and power monitoring IC designed by Texas Instruments, offering unparalleled accuracy and versatility. With a wide supply voltage range of 3 to 5.5V, this IC is capable of measuring currents up to ±3.2A with minimal voltage drop, making it perfect for a variety of applications. Its ability to measure bus voltages up to 26V further enhances its utility in different scenarios

Key Features

  • High-Resolution Voltage Measurement
  • Current Sensing with 1 A Range
  • SMBus and SPI Interface Options
  • Programmable Alarm Thresholds

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) 0
Input offset (±) (max) (µV) 50, 100 Input offset drift (±) (max) (µV/°C) 0.5
Input offset drift (±) (typ) (µV/°C) 0.1 Voltage gain (V/V) 0.125, 0.25, 0.5, 1
CMRR (min) (dB) 100 Bandwidth (kHz) 5.5
Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3
Iq (max) (mA) 1 Digital interface I2C, SMBus
Gain error (%) 0.3, 0.5 Gain error drift (±) (max) (ppm/°C) 83, 167
Features Bidirectional, Intergrated Power Monitor, Programmable Gain Number of channels 1
Resolution (Bits) 12 Power measurement accuracy (%) 0.8, 1
Rating Catalog Operating temperature range (°C) -40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification INA219BIDCNT PDF Download

FAQs

What is INA219BIDCNT?

The INA219BIDCNT is a high-side current shunt and power monitor with an I2C interface, designed by Texas Instruments. It is commonly used in applications requiring accurate current and power measurement, such as battery chargers, power management systems, and industrial automation.

How Does INA219BIDCNT Work?

The INA219BIDCNT works by measuring the voltage drop across a shunt resistor in series with the load to calculate the current flow. It utilizes a precision amplifier to amplify the voltage across the shunt resistor and provides digital measurements via the I2C interface. The device allows for accurate current and power monitoring in real-time.

How Many Pins does INA219BIDCNT have and What are the Functions of the Pinout Configuration?

The INA219BIDCNT is housed in a 10-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Negative power supply pin.
  • SDA: I2C serial data input pin.
  • SCL: I2C serial clock input pin.
  • V+ (SHUNT): Voltage input across the shunt resistor.
  • V- (SHUNT): Ground connection for the shunt resistor.
  • ADDR0, ADDR1: Address configuration pins for I2C communication.
  • ALERT: Alert output pin for overcurrent detection.
  • V+ (BUS): Voltage sense input for bus voltage measurement.
  • GND: Ground connection.

What are the Pros and Cons of INA219BIDCNT?

Pros:

  • High Accuracy: Provides accurate current and power measurements for precise monitoring.
  • I2C Interface: Allows for easy digital interfacing with microcontrollers and other devices.
  • Programmable Calibration: Offers programmable calibration settings for enhanced accuracy.
  • Wide Voltage Range: Supports a wide operating voltage range for versatile applications.
  • Alert Function: Includes an alert output for overcurrent detection and system protection.

Cons:

  • Complexity: May require careful calibration and configuration for optimal performance.
  • Additional Components: External components such as shunt resistors may be needed for specific applications.
  • Cost: Higher cost compared to simple current monitoring solutions.

Are There Any Equivalents/Alternatives to INA219BIDCNT for Recommendation?

  • The INA226 from Texas Instruments is a similar high-side current shunt monitor with additional features.
  • Alternatives to the INA219BIDCNT include the ADM1177 from Analog Devices and the LT1789 from Linear Technology.

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