LED应用-TLC5940 1 线控制&TPS61059 Power Management Texas Instruments Incorporated
TPS61059 powers white-light LED
as photoflash or movie light
By Scot Lester (Email: scotlester@ti.com)
Portable Power DC/DC Applications
Manufacturers of smart phones, cell phones, and PDAs are The Texas Instruments (TI) TPS61058 and TPS61059
incorporating digital camera technology into their products are synchronous boost converters for driving high-current
so they can be used as cameras as well as for their intended LEDs for photoflash and movie-light applications. The
use. Each of these devices uses a megapixel CCD camera TPS61058 can provide up to 500 mA and the TPS61059
tha……