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Shift register based LED driver

Shift register based LED drivers can integrate MOSFET drivers used in traditional low-power shift register applications. This integration greatly reduces the component count, layout complexity, and footprint of LED driving applications.

Block diagram

Products

Shift registers: NPIC family

Design considerations

Serial outputs support cascading, so just three controller I/Os can control the states of 16, 24 or more LEDs.

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