Datasheet4U Logo Datasheet4U.com

PCU9656 - 24-bit UFm 5MHz I2C-bus 100mA 40V LED driver

General Description

The PCU9656 is a UFm I2C-bus controlled 24-bit LED driver optimized for voltage switch dimming and blinking 100 mA Red/Green/Blue/Amber (RGBA) LEDs.

Key Features

  • 24 LED drivers. Each output programmable at:.
  • Off.
  • On.
  • Programmable LED brightness.
  • Programmable group dimming/blinking mixed with individual LED brightness.
  • 5 MHz Ultra Fast-mode unidirectional I2C-bus interface.
  • 256-step (8-bit) linear programmable brightness per LEDn output varying from fully off (default) to maximum brightness using a 97 kHz PWM signal.
  • 256-step group brightness control allows general dimming (using a 190 Hz PWM signal) from fully off.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer

Other Datasheets by NXP Semiconductors

Part Number Description
PCU9654 8-bit UFm 5MHz I2C-bus 100mA 40V LED driver
PCU9655 16-channel UFm 5MHz bus 100mA 40V LED driver
PCU9661 Parallel bus to 1 channel UFm I2C-bus controller
PCU9669 Parallel bus to 1 channel Fm+ and 2 channel UFm I2C-bus controller
PCU9955 16-channel UFm I2C-bus 57mA constant current LED driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PCU9656 24-bit UFm 5 MHz I2C-bus 100 mA 40 V LED driver Rev. 1 — 8 December 2011 Product data sheet 1. General description The PCU9656 is a UFm I2C-bus controlled 24-bit LED driver optimized for voltage switch dimming and blinking 100 mA Red/Green/Blue/Amber (RGBA) LEDs. Each LEDn output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 97 kHz (typical) 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 frequency of 190 Hz and an adjustable frequency between 24 Hz to once every 10.73 seconds with a duty cycle that is adjustable from 0 % to 99.