TD1509PR
Techcode Semiconductor
Needs validationlow risk
A direct replacement from the same manufacturer with identical electrical specifications; likely differs only by packaging.
Best Alternatives to TD1509PR R
TD1509PR R is a versatile 2A, 150KHz step-down (buck) voltage regulator in a standard SOP8 package. The most direct replacement is the TD1509PR, which offers identical performance.
AI replacement insight
Electrical riskhigh
Many alternatives have lower voltage ratings or different frequencies, requiring redesign.
Package risklow
Most alternatives are available in the same SOP8 package, but pinouts must be verified.
Sourcing risklow
This is a common type of DC-DC converter with many functional alternatives available from various vendors.
Can it be replaced directly?
Direct replacement for TD1509PR R should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use TD1509PR, which is the same base part from the same manufacturer, differing only by packaging suffix.
Main risk
The main risk when considering other parts is a mismatch in input voltage range or switching frequency, which requires circuit redesign.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | TD1509PR R | TD1509PR | XL1583E1 | XL1410E1 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | TD1509PR R | TD1509PR | SOP8 | SOP8 | TD1509PR / SOP8 — The 'R' suffix on the target typically denotes Tape & Reel packaging. Base part is identical.; XL1583E1: Package and pin count match.; XL1410E1: Package and pin count match. |
| Voltage | 3.6V - 45V | 3.6V - 45V | 3.6V - 28V | 3.6V - 28V | 3.6V - 45V / 3.6V - 28V — Input voltage range is identical.; XL1583E1: Significantly lower max input voltage (28V vs 45V).; XL1410E1: Significantly lower max input voltage (28V vs 45V). |
| Current | 2A | 2A | 3A | 2A | 2A / 3A — Output current is identical.; XL1583E1: Higher output current provides more margin.; XL1410E1: Output current is identical. |
| Switching Frequency | 150KHz | 150KHz | 380KHz | 380KHz | 150KHz / 380KHz — Switching frequency is identical.; XL1583E1: Higher frequency requires recalculation of external L/C components.; XL1410E1: Higher frequency requires recalculation of external L/C components. |
Application & sourcing insights
Questions & answers
Verified drop-in options for TD1509PR R 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.