Home > AAT1275 power management IC from Cutter Electronics

AAT1275 power management IC from Cutter Electronics

Supplier News

Advanced Analogic Technologies' represented by Cutter Electronics has released AAT1275 power management IC. The AAT1275 combines a regulated, 5-volt, 500-mA boost converter and a current-limiting load switch to simplify the development of host USB ports in portable systems powered from a single-cell lithium-ion battery.

According to the product line director, as a growing number of smart phones and other handheld devices operating off a single-cell lithium-ion battery add higher levels of processing power and begin to serve as central computing platforms, users are demanding connectivity to other peripheral devices.

By integrating a boost converter with a current-limiting load switch, the AAT1275 allows designers to boost voltage and provide the protection needed to simply and efficiently host a USB port on the new computing-intensive convergent portable systems.

Operating from a 2.7- to 5-volt input, the AAT1275 supports both USB 2.0 host port and USB On-The-Go operation. The AAT1275 can be programmed to host lower-current USB ports to save power or to support applications that require a current-limited 5-volt supply. To minimise leakage current, the AAT1275 adds its true load disconnect feature, which isolates the load from the power source when the AAT1275 is off.

Working at 2 MHz, the boost converter boasts an efficiency of greater than 90 percent across a wide load range. The AAT1275 features over-temperature and over-current protection and inrush current limiting. The AAT1275, in a Pb-free, 2.75-by-3 mm, 12-pin TSOPJW or 16-pin TDFN34 package and rated for operation over -40 to +85°C.

Newsletter sign-up

The latest products and news delivered to your inbox