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Best Alternatives to RT8289GSP

Package: SOP-8 (Exposed Pad)RICHTEKIntegrated Circuits (ICs)Synchronous Rectification: 否Function: 降压型Number of Outputs: 1Topology: 降压式Switch tube (built-in/external): 内置

RT8289GSP is a Richtek 5A 32V buck converter in SOP-8 EP. Listed alternates need pinout and load-current review.

AI replacement insight

Electrical riskhigh

Several parts are below 5A or 32V.

Package riskmedium

Package names match, pinout is missing.

Firmware risklow

No digital interface shown.

Sourcing riskmedium

PDF checks are pending.

Can it be replaced directly?

No pin-compatible replacement is proven from the provided data.

Best replacement path

Start with RT7272BGSP or RT7272AGSP if the load is 3A or less.

Main risk

Pinout is not verified and most candidates reduce current.

Recommended alternatives

3
RT7272BGSP package
RT7272BGSP

RICHTEK

Needs validationmedium risk

RT7272BGSP is a close lower-current Richtek buck candidate for RT8289GSP.

View details

Alternative comparison matrix

Feature / factorRT8289GSPRT7272BGSPRT7272AGSPRT6283BGSPCompatibility / risk
PackageSOP-8 EPSOP-8 EPSOP-8 EPSOP-8 EPSOP-8 EP — same catalog package; RT7272AGSP: same catalog package; RT6283BGSP: same package name; RT6363GSP: same package name
Pinout8 pins8 pins8 pins8 pins8 pins — functions not proven; RT7272AGSP: pin functions missing; RT6283BGSP: not proven; RT6363GSP: not verified
Voltage5.5-32V in, 1.222-26V out4.5-36V in, 0.8-30V out4.5-36V in, 0.8-30V out4.5-30V in, 0.8-24V out4.5-36V in, 0.8-30V out / 4.5-30V in, 0.8-24V out / 4-60V in — range covers target; RT7272AGSP: range covers target; RT6283BGSP: below max needs; RT6363GSP: higher Vin
Current5A3A3A3A3A / 3.5A — load must derate; RT7272AGSP: not for 5A load; RT6283BGSP: large derating; RT6363GSP: derated load
Temperature-40 to 85C-40 to 125C-40 to 125C-40 to 125C-40 to 125C — wider temp; RT7272AGSP: wider temp; RT6283BGSP: wider temp
Applicationinternal switch buck---async buck — BOM may change

Application & sourcing insights

Questions & answers

RT7272BGSP is the closest listed candidate, but only for designs that can accept a 3A current limit.