Semtech (SMTC) 10-Q 2025 Q2 Quarterly report

Exhibit 32

CERTIFICATION PURSUANT TO

18 USC 1350 AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Semtech Corporation (the “Company”) for the period ended July 28, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Hong Q. Hou, President and Chief Executive Officer of the Company, and Mark Lin, Executive Vice President and Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 USC §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his knowledge:

1.the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 28, 2024

/s/ Hong Q. Hou

Hong Q. Hou

President and Chief Executive Officer

/s/ Mark Lin

Mark Lin

Executive Vice President and Chief Financial Officer