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Best Alternatives to TPS7B6950QDCYRQ1

Package: TO-261-4, TO-261AATexas InstrumentsVoltage Regulators - LinearSeries: Automotive, AEC-Q100Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Number of Regulators: 1Voltage - Input (Max): 40VVoltage - Output (Min/Fixed): 5V

Finding a substitute for the TPS7B6950QDCYRQ1 requires matching its 5V output, 40V wide input range, and AEC-Q100 automotive qualification. While some parts offer similar voltage regulation, key differences in input voltage, pinout, and automotive rating are common.

AI replacement insight

Electrical riskhigh

Many alternatives have a much lower maximum input voltage rating than the target's 40V.

Package riskhigh

Parts in similar packages often have different pinouts, preventing drop-in replacement.

Can it be replaced directly?

Direct replacement for TPS7B6950QDCYRQ1 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

For new designs, BD450M2FP3-CE2 is a strong functional match. For existing boards, UA78M05CDCYR may work if the input voltage is under 25V and automotive rating is not required.

Main risk

The primary risks are mismatched maximum input voltage and pin-incompatibility, which can damage the component or require a board redesign.

Recommended alternatives

1
UA78M05CDCYR package
UA78M05CDCYR

Texas Instruments

Needs validationhigh risk

A 5V regulator in a SOT-223 package, but with a lower max input voltage and no automotive rating.

View details

Alternative comparison matrix

Feature / factorTPS7B6950QDCYRQ1BD450M2FP3-CE2UA78M05CDCYRAlt 3Compatibility / risk
PackageSOT-223SOT223-4(F)SOT-223SOT223-4(F) / SOT-223 — Package is physically similar but pinout differs.; UA78M05CDCYR: Package type matches.
PinoutPin-compatibleDifferent-Different — Not pin-compatible, requires PCB redesign.
Voltage40V42V25V42V / 25V — Max input voltage meets or exceeds target.; UA78M05CDCYR: Max input voltage is significantly lower.
ApplicationAEC-Q100AEC-Q100Not SpecifiedAEC-Q100 / Not Specified — Automotive qualification matches.; UA78M05CDCYR: Candidate is not AEC-Q100 qualified.
Current150mA-500mA500mA — Higher output current is acceptable.

Application & sourcing insights

Questions & answers

Verified drop-in options for TPS7B6950QDCYRQ1 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.