Alternatives to Texas Instruments TPS5450DDA
Texas Instruments TPS5450DDA and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 TPS5450DDATexas Instruments | TPS5450DDARTexas Instruments | TPS5450QDDARQ1Texas Instruments | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Uses the identical 8-PowerSOIC package with matching pinout assignment and exposed PowerPAD ground connection.The package dimensions, lead pitch, and overall shape are identical to the target part.Electrically equivalent in output current (5A), input range (5.5V-36V), switching frequency (500kHz), and adjustable voltage capability. | Employs the same 8-PowerSOIC package and pinout configuration with the thermal PowerPAD.Exactly identical physical dimensions and mounting footprint.Meets or exceeds all performance specifications with higher reliability qualification. | ||
 AI Summary | TPS5450DDA by Texas Instruments: Buck Switching Regulator IC Positive Adjustable 1.221V 1 Output 5A 8-PowerSOIC (0.154", 3.90mm Width). | This is the tape-and-reel packaging variant of the identical silicon die in the same physical package. It serves as an absolute drop-in replacement with no physical or electrical trade-offs.
| This is the AEC-Q100 qualified automotive-grade variant of the TPS5450. It has the same 5A current capability and identical pinout, making it an excellent premium high-reliability drop-in alternative.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Buck Switching Regulator IC Positive Adjustable 1.221V 1 Output 5A 8-PowerSOIC (0.154", 3.90mm Width) | Buck Switching Regulator IC Positive Adjustable 1.221V 1 Output 5A 8-PowerSOIC (0.154", 3.90mm Width) | Buck Switching Regulator IC Positive Adjustable 1.221V 1 Output 5A 8-PowerSOIC (0.154", 3.90mm Width) | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | |
| Type | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | |
| Datasheet | Open | Open | Open | |
| Lead Time | 9 weeks | 9 weeks | 9 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0070 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Function | Step-Down | - | - | |
| Topology | Buck | - | - | |
| Output Type | Adjustable | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) | - | - | |
| Current - Output | 5A | - | - | |
| Number of Outputs | 1 | - | - | |
| Output Configuration | Positive | - | - |
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Frequently asked questions
Yes. The Texas Instruments TPS5450DDA is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Texas Instruments TPS5450DDA are the TPS5450DDAR (Texas Instruments) and the TPS5450QDDARQ1 (Texas Instruments), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the TPS5450DDA are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The TPS5450DDA (Texas Instruments) is a part in the Power Management (PMIC) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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