Posts tagged ‘led driver’

White LED – Simple Step-Up

I’ve got samples of interersting DC/DC converter from TI: ¬†TPS61040. Main application is to drive small white LEDs from a battery cell or two. Input voltage range is from 1,8V to 6V. Ideal for two AA or single Li-xx cell. Schematics is very simple. Only few external components are required: a coil, caps and schottky diode:

Led driver TPS61040 schematic

 

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