AP64352SP-13
Diodes Incorporated
Needs validationhigh risk
AP64352SP-13 is a cross-vendor buck alternative needing PCB and FB review.
Best Alternatives to SY8303AIC
SY8303AIC is a Silergy 3A, 40V synchronous buck in TSOT23-8. Alternatives need pinout, FB and layout review.
AI replacement insight
Electrical riskmedium
FB ref and frequency may differ.
Package riskhigh
Most options use larger packages.
Firmware risklow
No digital control shown.
Sourcing riskmedium
Some parts are not indexed.
Can it be replaced directly?
No confirmed pin-compatible replacement is proven from the provided evidence.
Best replacement path
Start with Silergy SY8303AAIC or SY21153AAIC, then verify pinout.
Main risk
Pinout and package evidence is incomplete.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | SY8303AIC | SY8303AAIC | AP64352SP-13 | AP64350SP-13 | Compatibility / risk |
|---|---|---|---|---|---|
| Application | sync buck | sync buck | sync buck | sync buck | sync buck — same role; AP64352SP-13: same role; AP64350SP-13: same role; MPQ4570GF-Z: same role |
| Voltage | 4.5-40V | 4.5-40V | 3.8-40V | 3.8-40V | 4.5-40V / 3.8-40V / 4.5-55V — official claim; AP64352SP-13: no 10% margin; AP64350SP-13: no 10% margin; MPQ4570GF-Z: higher VIN |
| Current | 3A | 3A | 3.5A | 3.5A | 3A / 3.5A — official claim; AP64352SP-13: higher rating; AP64350SP-13: higher rating; MPQ4570GF-Z: web claim |
| Package | TSOT23-8 | SOT-23-8 | SO-8EP | SO-8EP | SOT-23-8 / SO-8EP / TSSOP-EP-20 — naming differs; AP64352SP-13: new PCB; AP64350SP-13: new PCB; MPQ4570GF-Z: new PCB |
| Pinout | 8-pin | missing | - | - | missing — ES pin_count 0 |
| Interface | 0.6V ref | - | 0.8V ref | 0.8V ref | 0.8V ref — FB changes; AP64350SP-13: FB changes |
| Temperature | -40 to 105C | - | - | - | up to 125C — min missing |
Application & sourcing insights
Questions & answers
SY8303AAIC or SY21153AAIC look closest, but both need pinout and datasheet review.