PCA9957

24-channel SPI serial bus 32mA/5.5V constant current LED driver

NXP

PCA9957 Features

* 24 LED drivers. Each output programmable at:

* Off

* On

* 8 bits programmable LED brightness

* 8 bits programmable group dimming/blinking mixed with individual LED brightness

* Programmable LED output delay to reduce EMI and surge currents

* Gradation control for all ch

PCA9957 General Description

The PCA9957 is a daisy-chain SPI-compatible 4-wire serial bus controlled 24-channel constant current LED driver optimized for dimming and blinking 32 mA Red/Green/Blue/Amber (RGBA) LEDs. Each LED output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates .

PCA9957 Datasheet (753.14 KB)

PCA9957 Datasheet Preview — Preview of PCA9957 PDF

Datasheet Details

Part number:

PCA9957

Manufacturer:

NXP ↗

File Size:

753.14 KB

Description:

24-channel spi serial bus 32ma/5.5v constant current led driver.
PCA9957 24-channel SPI serial bus 32 mA/5.5 V constant current LED driver Rev. 1

* 24 October 2019 Product data sheet 1. General descripti.

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TAGS

PCA9957 24-channel SPI serial bus 32mA 5.5V constant current LED driver NXP

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PCA9957 Features

PCA9957 General Description

Datasheet Details

File Size:

Description:

PCA9957 Distributor