RT6154AGQW
RICHTEK
Needs validationhigh risk
A functional buck-boost alternative, but requires board and electrical review for package and output voltage differences.
Best Alternatives to TPS63020DSJR
The TPS63020DSJR is a high-efficiency buck-boost converter from Texas Instruments, ideal for battery-powered devices. Finding a replacement requires careful review of package, pinout, and key electrical parameters.
AI replacement insight
Package riskhigh
Candidate has a different footprint (4x3mm vs 3x2mm).
Electrical riskhigh
Candidate's minimum output voltage is 1.8V vs target's 1.2V.
Can it be replaced directly?
No direct, pin-compatible replacement for the TPS63020DSJR has been identified. All viable alternatives require engineering review and a board respin.
Best replacement path
Evaluate functionally similar buck-boost converters like the Richtek RT6154AGQW, but this will require a PCB redesign.
Main risk
The main risks are package incompatibility requiring a PCB redesign, and electrical differences in the minimum output voltage.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | TPS63020DSJR | RT6154AGQW | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Topology | Buck-Boost | Buck-Boost | Buck-Boost — Functionally equivalent topology. | ||
| Voltage | 1.2 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V — Higher minimum output voltage. | ||
| Package | 14-Pin QFN (3x2mm) | WDFN-14AL 4x3 | WDFN-14AL 4x3 — Different package and footprint. | ||
| Temperature | -40°C to 85°C | -40°C to 125°C | -40°C to 125°C — Wider operating range. |
Application & sourcing insights
Questions & answers
The Richtek RT6154AGQW is a strong functional alternative, sharing the same buck-boost topology and key ratings. However, it is not a drop-in replacement and requires a PCB redesign due to a different package size.