For a production BOM line, this removes the obsolescence risk that often drives last-time-buy scrambles on older automotive ICs. The ROHS3 compliance covers current environmental regulations across EU and most global markets. No pin-compatible alternative is listed in the evidence; if dual-sourcing is required, verify the second source's AEC-Q100 qualification and pin-to-pin compatibility through your own qualification process.
STMicroelectronics L9945TR Automotive Smart Power IC
MPNL9945TR
End of Life
STMicroelectronics L9945TR, Automotive AEC-Q100 Series, PTS Smart Power IC, Dual Supply 3.8V~5.5V / 4.5V~36V, 64-TQFP Exposed Pad, Surface Mount, Active.
$10.26Ref. price · indicative, final on quote
Packaging64-TQFP Exposed Pad
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Automotive, AEC-Q100 |
| Mounting | Surface Mount |
| Supply voltage | 3.8V ~ 5.5V, 4.5V ~ 36V |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Applications | Automotive |
| Case | 64-TQFP Exposed Pad |
Product details
Frequently asked questions
Is L9945TR AEC-Q100 qualified for automotive use?
Yes, the L9945TR is part of the Automotive, AEC-Q100 series, meaning it has passed the AEC-Q100 stress tests for automotive-grade integrated circuits. This qualifies it for use in under-hood and cabin electronic control units, subject to the OEM's own qualification requirements.
Is L9945TR a direct replacement for L9945?
Yes, the L9945TR is functionally identical to the L9945 — the 'TR' suffix indicates tape-and-reel packaging only. It is a drop-in replacement for the same base part number when ordered in tape-and-reel format for automated assembly.