Texas Instruments (NASDAQ:TXN) has updated guidance for its current quarter. The company now expects Q1 revenue to fall in the $2.80 billion-$2.91 billion range, which lifts the bottom from the former anticipated amount of $2.69 billion-$2.91 billion. TI made a similar move with per-share earnings, narrowing the expected range from $0.28-$0.32, compared to the previous estimate of $0.24-$0.32.

The firm's original guidance was included in its Q4 and fiscal 2012 earnings release on January 22. It did not immediately provide a detailed explanation for the revised figures.

TI's Q1 ends on March 31.