Tiny, efficient converters support portable electronics

Texas Instruments Inc. introduces two highly efficient 2-A step-down dc/dc converters for portable electronics applications. The TPS62065 and TPS62067 3-MHz synchronous converters reduce board space and help extend battery life by providing up to 95% power efficiency from a tiny 2 x 2 x 0.75 mm SON package.

The new TPS6206x devices operate from a 2.7 to 6 V input voltage, allowing them to support lithium-based batteries with extended voltage ranges or a 3.3 or 5 V system supply rail. A unique Power Save Mode with excellent PWM to PFM transition allows the converters to operate at light load currents to maintain high efficiency over the entire load range.

Key features and benefits of TPS6206x:

• Small size: 3-MHz fixed frequency operation and tiny package size allow support of small inductors and capacitors to achieve a 22 sq-mm solution with a maximum height of 1 mm.

• Low-power operation: Power Save Mode operation at light load currents and 18-µA quiescent current help extend battery life.

• Manages up to 2 A: Supports point-of-load and processor-based applications, including systems based on TI’s TMS320C55x DSPs.