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Lumissil IS32FL3265 LED Drivers

Lumissil IS32FL3265 LED Drivers are designed with 18 high voltage (40V) constant current 8-bits Pulse Width Modulated (PWM) channels for smooth LED brightness control. These LED drivers provide an 8-bit output current control register on each channel that allows fine-tuning of the channel current for rich RGB color mixing. The IS32FL3265 LED drivers offer programmable H/L logic, accurate color rendition, clock IO pin for multi-chip synchronization, and thermal roll-off programmable set point. These LED drivers can be configured to a minimum current consumption mode by either pulling the SDB pin low or by using the software shutdown feature.

The IS32FL3265A LED driver features 1MHz I2C with automatic address increment and the SDB rising edge resets the I2C interface. The IS32FL3265B LED driver features 12MHz SPI with automatic address increment and the SDB rising edge resets the SPI interface. Typical applications include car display panel, ambient lighting, roof lighting, and functional lighting. 

Features

  • 3V to 5.5V operating supply
  • Output current capability and number of outputs:
    • 60mA × 18 outputs and tolerance voltage 40V
  • 1.4V/0.4V and 2.4V/0.6V programmable H/L logic
  • 1MHz I2C with automatic address increment (IS32FL3265A)
  • 12MHz SPI with automatic address increment (IS32FL3265B)
  • Accurate color rendition:
    • 32 steps global current adjust
    • 8-bit dot correction for each channel
    • 8-bit PWM for each channel
  • (200Hz or 25kHz) selectable PWM method
  • Clock IO pin for multi-chip synchronization
  • Fault report (open detect/thermal roll off /thermal shutdown)
  • Thermal roll-off programmable set point
  • SDB rising edge resets I2C interface (IS32FL3265A)
  • SDB rising edge resets SPI interface (IS32FL3265B)
  • EMI reduction technology:
    • Spread spectrum
    • Selectable 9 phase delay
  • -40°C to 125°C operating temperature range
  • eTSSOP-28 package
  • AEC-Q100 qualified

Applications

  • Car display panel
  • Ambient lighting
  • Roof lighting
  • Functional lighting

Typical Application Circuits

Application Circuit Diagram - Lumissil IS32FL3265 LED Drivers
Application Circuit Diagram - Lumissil IS32FL3265 LED Drivers
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Dalies Numeris Duomenų Lapas Aprašymas
IS32FL3265A-ZLA3-TR IS32FL3265A-ZLA3-TR Duomenų Lapas LED apšvietimo tvarkyklių integriniai grandynai 18 high voltage(40V) constant current channels, eTSSOP-28 (9.7mm x 6.4mm), T&R
IS32FL3265B-ZLA3-TR IS32FL3265B-ZLA3-TR Duomenų Lapas LED apšvietimo tvarkyklių integriniai grandynai 18 high voltage(40V) constant current channels, eTSSOP-28 (9.7mm x 6.4mm), T&R
Paskelbta: 2021-02-19 | Atnaujinta: 2022-03-11