TI AUTOMOTIVE · PART DECISION PAGE
LM5146-Q1
100-V synchronous buck controller
100-V synchronous buck controller for automotive applications such as 48-V power distribution and DC-DC. Qualification, OPNs and official sources are consolidated below for a fast project decision.
5-second verdict
Key specifications
Orderable variants (OPNs)
The GPN is for selection; the full OPN is for ordering. These examples were observed on the verification date, not live stock. Variants may differ in package, temperature, gain/threshold and, for PMICs, NVM/sequencing. Distinguish TA from TJ in the exact datasheet.
| OPN | Package | Temperature | Note |
|---|---|---|---|
| LM5146QRGYRQ1 | VQFN (RGY) (20 pin) | -40 to +150°C | — |
| LM5146QRGYTQ1 | VQFN (RGY) (20 pin) | -40 to +150°C | — |
Official ordering page: https://www.ti.com/product/LM5146-Q1
Typical applications
FAQ
Is LM5146-Q1 automotive qualified?
TI lists AEC-Q100 Grade 1 over -40 to +125°C. Package and temperature can differ by OPN; verify the ordering table and TI datasheet.
Which OPNs are available for LM5146-Q1?
TI's product page currently lists 2 OPNs; this page shows the first 2 OPNs, including LM5146QRGYRQ1、LM5146QRGYTQ1. Use the full OPN for ordering, not the GPN.
Where can I check price, stock and lead time for LM5146-Q1?
NuAxi does not invent stock or pricing on this page. Use TI's ordering page and authorized distributors for live stock, lead time and quotations; verify package, temperature, pinout and software before substitution.
Sources and verification
Related selection and design checks
NuAxi is an independent semiconductor market-intelligence platform and is not affiliated with Texas Instruments. Information is for selection reference only and is not a design, certification or procurement guarantee; verify against TI's official datasheet, ordering page and terms.