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IS32FL3209 - 18-CHANNELS LED DRIVER

General Description

IS32FL3209 is comprised of 18 constant current channels each with independent PWM control, designed for driving LEDs, PWM frequency can be 29kHz (default) or 4kHz.

Key Features

  • 2.7V to 5.5V supply.
  • Each channel output current up to 78mA.
  • I2C interface, automatic address increment function.
  • Four selectable I2C addresses.
  • Internal reset register.
  • Modulate LED brightness with 256 steps PWM.
  • Each channel can be controlled independently.
  • Each channel can be scaled independently by 1, 23/24, 22/24, 21/22, 20/24, 19/24, 18/24, 16/24, 14/24, 12/24, 11/24, 9/24 and 7/24.
  • PWM frequency selectable -.

📥 Download Datasheet

Datasheet Details

Part number IS32FL3209
Manufacturer Lumissil
File Size 515.52 KB
Description 18-CHANNELS LED DRIVER
Datasheet download datasheet IS32FL3209 Datasheet

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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.

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IS32FL3209 18 CHANNELS LED DRIVER; 1/24 DC SCALING WHITE BALANCE May 2024 GENERAL DESCRIPTION IS32FL3209 is comprised of 18 constant current channels each with independent PWM control, designed for driving LEDs, PWM frequency can be 29kHz (default) or 4kHz. The output current of each channel can be set at up to 78mA (Max.) by an external resistor and independently scaled by a factor of 1, 23/24, 22/24, 21/22, 20/24, 19/24, 18/24, 16/24, 14/24, 12/24, 11/24, 9/24 and 7/24. The average LED current of each channel can be changed in 256 steps by changing the PWM duty cycle through an I2C interface. The chip can be turned off by pulling the SDB pin low or by using the software shutdown feature to reduce power consumption. IS32FL3209 is available in WFQFN-28 (5mm × 5mm) and eTSSOP-28 packages.