INA219AIDR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
INA219AIDR is a high-side current/power monitor IC with I2C interface from Texas Instruments. It measures bus voltages up to 26V and current via shunt resistor with 12-bit ADC resolution. Ideal for battery management, power supply monitoring, and energy metering in embedded systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- INA219AIDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8408(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-side current sensing up to 26V bus voltage with 12-bit ADC resolution
- I2C-compatible interface supporting up to 128 programmable addresses
- Integrated power calculation engine for direct watt measurement
- Wide operating voltage range: 3V to 5.5V supply
- Small SOP-8 package for space-constrained designs
Applications
The INA219AIDR is widely used in battery management systems to monitor charge and discharge currents in portable electronics and IoT devices. It is also applied in DC power supply monitoring for servers, industrial equipment, and telecom systems where precise power budgeting is critical. Additionally, it serves in solar energy harvesting and motor drive applications requiring real-time current and power feedback.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | HIGH SIDE POWER/CURRENT MONITOR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +2V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## INA219AIDR Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for INA219AIDR:
Texas Instruments Fixed, 1 Channel, +2V, PDSO8
suggested
suggested
suggested
Frequently Asked Questions
What is the maximum bus voltage the INA219AIDR can monitor?
The INA219AIDR supports bus voltage measurements up to 26V, making it suitable for a wide range of DC power rails including 5V, 12V, and 24V systems commonly used in industrial and consumer electronics.
What communication interface does the INA219AIDR use?
The INA219AIDR uses an I2C-compatible two-wire interface operating at up to 400 kHz (Fast Mode). It supports up to 16 programmable I2C addresses via the A0 and A1 address pins, allowing multiple devices on the same bus.
What are typical applications for the INA219AIDR?
Typical applications include battery management systems, UPS power monitoring, solar energy harvesting, telecom equipment power rails, and any embedded system requiring accurate real-time current and power consumption measurements.
What package type is the INA219AIDR and what is its pin count?
The INA219AIDR comes in an 8-pin Small Outline Package (SOP-8 / SOIC-8) with a 0.25-inch body width, which is compact and easy to hand-solder or reflow, suitable for both prototype and production PCB designs.
Are there compatible alternatives or substitutes for the INA219AIDR?
Compatible alternatives include the INA226 (I2C, 36V, higher accuracy), INA231, and INA260 from Texas Instruments. Third-party equivalents such as the PAC1932 or MCP3426 may be considered, though pin-compatibility and register maps should be verified before substitution.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9342 | $0.93 |
| 580+ | $0.9248 | $536.38 |
| 1082+ | $0.8408 | $909.75 |
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