CONSENT OF ERNST & YOUNG LLP
Published on July 19, 2002
EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement on
Form S-8 pertaining to the PowerSmart, Inc. 1998 Stock Incentive Plan of our
report dated April 24, 2002, except for Note 21 as to which the date is May 22,
2002, with respect to the consolidated financial statements of Microchip
Technology Incorporated included in its Annual Report on Form 10-K for the year
ended March 31, 2002, filed with the Securities Exchange Commission.
/s/ ERNST & YOUNG LLP
Phoenix, Arizona
July 19, 2002