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PCA9952Q900 - 16-channel constant current LED driver

Download the PCA9952Q900 datasheet PDF. This datasheet also covers the PCA9952-Q900 variant, as both devices belong to the same 16-channel constant current led driver family and are provided as variant models within a single manufacturer datasheet.

Description

The PCA9952/Q900 and PCA9955/Q900 are I2C-bus controlled 16-channel constant current LED driver optimized for dimming and blinking 57 mA Red/Green/Blue/Amber (RGBA) LEDs in amusement products.

Features

  • Compliant with AEC-Q100.
  • 16 LED drivers. Each output programmable at:.
  • Off.
  • On.
  • Programmable LED brightness.
  • Programmable group dimming/blinking mixed with individual LED brightness.
  • Programmable LEDn output enable delay to reduce EMI and surge currents.
  • 16 constant current output channels can sink up to 57 mA, tolerate up to 40 V when OFF.
  • Output current adjusted through an external resistor.
  • Output current accuracy.
  • 6 % between output ch.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PCA9952-Q900-NXP.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by NXP Semiconductors

Part Number Description
PCA9952 16-channel constant current LED driver
PCA9952-Q900 16-channel constant current LED driver
PCA9955 16-channel constant current LED driver
PCA9955-Q900 16-channel constant current LED driver
PCA9955A 16-channel Fm+ I2C-bus 57 mA/20 V constant current LED driver

Full PDF Text Transcription

Click to expand full text
PCA9952/Q900; PCA9955/Q900 16-channel Fm+ I2C-bus 57 mA constant current LED driver, AEC-Q100 compliant Rev. 1 — 26 April 2013 Product data sheet 1. General description The PCA9952/Q900 and PCA9955/Q900 are I2C-bus controlled 16-channel constant current LED driver optimized for dimming and blinking 57 mA Red/Green/Blue/Amber (RGBA) LEDs in amusement products. Each LEDn output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 31.25 kHz with a duty cycle that is adjustable from 0 % to 99.6 % to allow the LED to be set to a specific brightness value. An additional 8-bit resolution (256 steps) group PWM controller has both a fixed frequency of 122 Hz and an adjustable frequency between 15 Hz to once every 16.
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