INA169NA/3K Equivalent & Substitute Parts

Part Overview

The INA169NA/3K is an active current monitor integrated circuit manufactured by Texas Instruments, designed for high-side current sensing applications. This device operates across a wide input voltage range of 2.7V to 60V with ±0.5% accuracy, making it suitable for power management and monitoring systems requiring precise current measurement. The component is classified as a Power Management (PMIC) device and maintains Active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, enabling direct replacement in circuit designs without functional compromise.

Substiute Parts

INA169NA/3K

Texas InstrumentsIn Stock: 18028INA169NA/3K Datasheet

Current PartRFQ

INA169NA/250

Texas InstrumentsIn Stock: 1860INA169NA/250 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The INA169NA/250 qualifies as a parametric equivalent to the INA169NA/3K based on the following criteria:

Both devices share identical electrical specifications: ±0.5% accuracy, 2.7V to 60V input voltage range, high-side sensing method, and -40°C to 85°C operating temperature. Both employ the same package configuration (SC-74A, SOT-753, SOT-23-5) and mounting technology (Surface Mount). Compliance certifications are equivalent, including ROHS3 compliance, identical MSL rating (2, 1 Year), and matching REACH and ECCN classifications. The substitution is based strictly on these aligned parameters; no functional or performance differences exist between the two part numbers within the specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Both the INA169NA/3K and INA169NA/250 are suitable for direct substitution in high-side current monitoring applications. Selection between these parts should be based on inventory availability and lead time requirements, as electrical performance and compliance characteristics are identical. Both devices maintain Active product status with full regulatory compliance (ROHS3, REACH Unaffected). The identical package configuration (SOT-23-5) and mounting specifications ensure mechanical compatibility without PCB redesign. Component selection may be influenced by supplier stock levels and delivery schedules, as the INA169NA/3K currently maintains higher inventory (17,960 pcs) compared to the INA169NA/250 (1,850 pcs).

Frequently Asked Questions (FAQ)

Q: Can INA169NA/250 replace INA169NA/3K in existing designs? A: Yes. Both parts are electrically and mechanically equivalent with identical accuracy (±0.5%), input voltage range (2.7V ~ 60V), operating temperature (-40°C ~ 85°C), and package configuration (SOT-23-5). Direct substitution is possible without circuit modification.

Q: Are there differences in package or pinout between these parts? A: No. Both devices use the SC-74A, SOT-753 package with SOT-23-5 supplier device package designation. Pinout and mechanical dimensions are identical, enabling direct PCB compatibility.

Q: What determines the substitution relationship between these part numbers? A: Substitution is based on matching electrical parameters (accuracy, voltage range, temperature range, sensing method), identical package specifications, and equivalent compliance certifications (RoHS3, REACH, MSL rating).

Q: Are both parts currently in production? A: Yes. Both the INA169NA/3K and INA169NA/250 maintain Active product status with Texas Instruments, indicating ongoing production and support.

Q: Do these parts have different compliance or regulatory certifications? A: No. Both parts share identical compliance status: ROHS3 Compliant, REACH Unaffected, MSL 2 (1 Year), and matching ECCN and HTSUS classifications.