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INA199C2RSWT Equivalent & Substitute Parts Reference
Part Overview
The Texas Instruments INA199C2RSWT is a Power Management IC (PMIC) specifically designed as a current sense regulator with high/low-side sensing capability. It features a tight ±1% accuracy specification and is supplied in a compact 10-UQFN (1.8x1.4 mm) surface mount package. The product is classified as obsolete. For designs in production, service, or requiring ongoing support, identifying compatible substitute parts is essential to maintain supply continuity and meet compliance requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Function | Current Sense |
| Sensing Method | High/Low-Side |
| Accuracy | ±1% |
| Voltage - Input | -0.1V ~ 26V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 10-UFQFN |
| Supplier Device Package | 10-UQFN (1.8x1.4) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts for the INA199C2RSWT are determined strictly based on identical electrical and mechanical parameters, specifically: manufacturer (Texas Instruments), category (Power Management IC), function (Current Sense), sensing method (High/Low-Side), accuracy (±1%), input voltage range (-0.1V to 26V), operating temperature (-40°C to 125°C), mounting type (Surface Mount), and package/case (10-UFQFN, 1.8x1.4 mm). All listed substitute parts have matching compliance and environmental certifications (RoHS3, REACH Unaffected) and identical MSL ratings.
Parameter Comparison
| Parameter | INA199C2RSWT (Main) |
INA199C1RSWR | INA199C1RSWT | INA199C2RSWR | INA199C3RSWR | INA199C3RSWT |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) |
| Function | Current Sense | Current Sense | Current Sense | Current Sense | Current Sense | Current Sense |
| Sensing Method | High/Low-Side | High/Low-Side | High/Low-Side | High/Low-Side | High/Low-Side | High/Low-Side |
| Accuracy | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| Voltage - Input | -0.1V ~ 26V | -0.1V ~ 26V | -0.1V ~ 26V | -0.1V ~ 26V | -0.1V ~ 26V | -0.1V ~ 26V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-UFQFN | 10-UFQFN | 10-UFQFN | 10-UFQFN | 10-UFQFN | 10-UFQFN |
| Supplier Device Package | 10-UQFN (1.8x1.4) | 10-UQFN (1.8x1.4) | 10-UQFN (1.8x1.4) | 10-UQFN (1.8x1.4) | 10-UQFN (1.8x1.4) | 10-UQFN (1.8x1.4) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Selection among the listed parametric equivalents for the INA199C2RSWT is determined by identical electrical and mechanical parameters, as well as consistent RoHS3 and REACH compliance status. All substitutes have the same MSL rating. Product status is differentiated as "Active", "Obsolete", or "Last Time Buy" according to the supplied inventory and production status fields.
Frequently Asked Questions (FAQ)
Q1. What are the main substitution criteria for the INA199C2RSWT?
A1. Substitution is based on matching manufacturer, function, sensing method, accuracy, input voltage range, operating temperature, mounting type, package size, and compliance specifications.
Q2. Are all listed substitute parts supplied in the same package type and footprint?
A2. Yes, all substitute parts are provided in the 10-UQFN (1.8x1.4 mm) surface-mount package, ensuring footprint compatibility.
Q3. Do these substitutes comply with RoHS3 and REACH requirements?
A3. All listed substitutes are described as ROHS3 Compliant and REACH Unaffected.
Q4. Is there any difference in electrical performance among these substitute parts?
A4. All substituted parts share the same functional parameters: accuracy, input voltage range, sensing method, and operating temperature.
Q5. Are there differences in product status among the substitute parts?
A5. Product statuses vary between "Active", "Obsolete", and "Last Time Buy" as identified in the parameter table. This affects inventory availability but not form, fit, or function compatibility.
Q6. Is additional verification needed for package-level compatibility?
A6. All substitutes use the same package and device codes, supporting direct replacement without modification at the PCB level as per provided parameters.
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