Smart charging control IC for portable electronics devices to charge from USB port

Texas Instruments Incorporated (TI) has introduced a new power management device that integrates a current-limited power switch and a high-bandwidth 2.6-GHz signaling switch optimized for a USB interface. The TPS2540 is the industry's first host-side charging control integrated circuit with an onboard power switch to enable intelligent charging for portable electronics devices that draw power from a USB port, claims TI. This chip continue to charge the device even when the host system is in standby mode.

The smart TPS2540 supports USB charging modes around the world, including the upcoming Battery Charging 1.2 draft specification, Chinese and European regulatory requirements, and proprietary charging modes from leading electronics OEMs. The IC is ideal for USB ports in a wide variety of host applications, such as AC wall adapters, desktop PCs, docking stations and auto charging accessories.

TPS2540 employs a "no-peaking" current limiting topology to improve current-limit accuracy and reduces the size of the power supply and allows devices to receive power faster than a typical USB port.

The TPS2540 complements TI's TUSB1310, the discrete SuperSpeed USB transceiver that enables USB 3.0 and USB 2.0 upstream and downstream functionality when used in conjunction with integrated digital cores.

Package: 16-pin, 3-mm x 3-mm WQFN

Price:
Resale pricing is $0.90 in 1,000-unit quantities. An easy-to-use evaluation module, TPS2540EVM-623 can be purchased at TI's e-Store for $49.

Availability: Now