Texas Instruments Introduces 2.25-MHz, 1A DC-DC Converter For USB-Powered Applications
Texas Instruments Inc. (TI) introduced the smallest 2.25-MHz dc-dc converter for USB-powered portable applications and wireless modems. The TPS62750 is a high-performance, 92% power-efficient, synchronous step-down converter, which can provide up to 1A typical input current. The device supports an input voltage from 2.9 to 6V, allowing it to support batteries with an extended voltage range and USB-compliant power requirements.
In addition to small size, the TPS62750 offers a high degree of performance and efficiency. The device’s unique Power Save Mode operates at light load currents over the entire load current range. In addition, the converter can discharge during shutdown.
Key features of the TPS62750 include: programmable average current limiting for USB applications (50 to 300mA for low current; 0.3 to 1.3A for high current); +/-10% current accuracy; input voltage monitoring prevents USB host from crashing; and hot plug, load disconnect, short circuit (Vin/Vout) protection.
The TPS62750 is available in volume now from TI and its authorized distributors in a 10-pin, 2.5 x 2.5mm SON package. Suggested resale pricing is $1.20 in 1,000-unit quantities.
