The dollar was steady near a nine-day peak on Thursday, underpinned by concern U.S. inflation pressures will accelerate, though worries about rising trade tensions limited gains.
The dollar index .DXY inched up toward a one-week top of 94.769 scaled in the previous session, trading at 94.753.
The greenback surged 0.3 percent to 112.29 yen after climbing 1.3 percent overnight, touching the 112 key mark for the first time since Jan. 10.
The euro traded at $1.1675, sliding from a 3 1/2-week peak of $1.17905 hit on Monday.
The Canadian dollar rose slightly to C$1.3201 a dollar after a decline of 0.75 percent on Thursday.
Traders focused on U.S. consumer inflation figures due later in the day for clues on further Fed's signals to tighten monetary policy.