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PCA9622 Series 100 mA 5.5 V 1 MHz SMT 16-bit I2C-Bus LED Driver - TSSOP-32

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Mfr. Name: NXP
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Product Specification Section
NXP PCA9622DR,118 - Technical Attributes
Attributes Table
No of Outputs: Sixteen
Supply Voltage: 2.3V to 5.5V
Supply Current: 8.5mA
Output Current per Channel: 100mA
Output Voltage: 40V
Switching Frequency-Max: 1MHz
Duty Cycle-Max: 99.6%
Operating Temp Range: -40°C to +85°C
Height - Max: 0.95mm
Moisture Sensitivity Level: 1
Package Style:  TSSOP-32
Mounting Method: Surface Mount
$Features & Applications

The PCA9622DR,118 is an I²C-bus controlled 16-bit LED driver optimized for voltage switch dimming and blinking 100 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 at 97 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.

The PCA9622 is one of the first LED controller devices in a new Fast-mode Plus (Fm+) family. Fm+ devices offer higher frequency (up to 1 MHz) and more densely populated bus operation (up to 4000 pF). If the PCA9622 on-chip 100 mA NAND FETs do not provide enough current or voltage to drive the LEDs, then the PCA9635 with larger current or higher voltage external drivers can be used.


  • 16 LED drivers. Each output programmable at:
    • Off
    • On
    • Programmable LED brightness
    • Programmable group dimming/blinking mixed with individual LED brightness
  • 1 MHz Fast-mode Plus compatible I²C-bus interface with 30 mA high drive capability on SDA output for driving high capacitive buses
  • 256-step (8-bit) linear programmable brightness per LED 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 to maximum brightness (default)
  • 256-step group blinking with frequency programmable from 24 Hz to 10.73 s and duty cycle from 0 % to 99.6 %
  • Sixteen open-drain outputs can sink between 0 mA to 100 mA and are tolerant to a maximum off state voltage of 40 V. No input function
  • Software Reset feature (SWRST Call) allows the device to be reset through the I²C-bus
  • 25 MHz internal oscillator requires no external components
  • Internal power-on reset
  • Noise filter on SDA/SCL inputs
  • No glitch on power-up
  • Supports hot insertion
  • Low standby current
  • Operating power supply voltage (VDD) range of 2.3 V to 5.5 V
  • 5.5 V tolerant inputs on non-LED pins
  • -40 °C to +85 °C operation
  • Package offered: TSSOP32


  • RGB or RGBA LED drivers
  • LED status information
  • LED displays
  • LCD backlights
  • Keypad backlights for cellular phones or handheld devices



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