MC33063AQDRQ1
Texas Instruments
Needs validationlow risk
MC33063AQDRQ1 is an automotive-qualified upgrade from the same manufacturer, offering a wider operating temperature range.
Best Alternatives to MC33063ADR
The MC33063ADR from Texas Instruments is a versatile 1.5A switching regulator controller for buck, boost, and inverting applications. For replacements, consider automotive-grade versions like the MC33063AQDRQ1.
AI replacement insight
Electrical risklow
Identical core electricals, improved temperature range.
Package risklow
Identical SOIC-8 package and pinout.
Sourcing risklow
Both are active parts from a major manufacturer.
Can it be replaced directly?
Yes, the MC33063AQDRQ1 is a direct, pin-compatible replacement for the MC33063ADR.
Best replacement path
Upgrade to the automotive-qualified MC33063AQDRQ1 for wider temperature range and higher reliability.
Main risk
The primary consideration is a potential minor cost increase due to the automotive qualification of the replacement part.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | MC33063ADR | MC33063AQDRQ1 | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC-8 — Package matches. | ||
| Topology | Boost, Buck, Inverting | Buck, Boost, Inverting | Buck, Boost, Inverting — Functionally identical controller topology. | ||
| Voltage | 3V to 40V | 3V to 40V | 3V to 40V — Input voltage range matches. | ||
| Current | 1.5A | 1.5A | 1.5A — Peak switch current matches. | ||
| Temperature | -40°C to 85°C | -40°C to 125°C | -40°C to 125°C — Wider operating temperature range. | ||
| Application | Commercial | AEC-Q100 | AEC-Q100 — Automotive qualified version. |
Application & sourcing insights
Questions & answers
The MC33063AQDRQ1 is the best alternative, offering a pin-compatible, automotive-grade upgrade with a wider operating temperature range from the same manufacturer.