狀態 Prod
Vdd(V) 2.7-5.5
通道數 28
文件 Eval Board, Code, Arduino
RGB Group -
腳位尺寸(mm) QFN-36
控制接口 I2C
IC代碼 3235 = 3235
產品系列 31 = Commercial/Industrial Analog
產品類別 FL = FxLED Driver
腳位/封裝 QF = QFN
焊料類型 L = Lead-free (RoHS Compliant)
Temperature Grade S2 = Industrial temp. (-40°C to 85°C)
包裝選項 TR = Tape & Reel
外包裝 Tape on Reel

IS31FL3235A-QFLS2-TR 特徵

  • August 2018
  • 2.7V to 5.5V supply I2C interface, automatic address increment function Internal reset register
  • Modulate LED brightness with 256 steps PWM Each channel can be controlled independently
  • Each channel can be scaled independently by 1, 1/2, 1/3 and 1/4 PWM frequency selectable
  • - 3kHz (Default) - 22kHz -40°C to +85°C temperature range ESD HBM 8kV
  • QFN-36 (4mm × 4mm) package


IS31FL3235A is comprised of 28 constant current channels each with independent PWM control, designed for driving LEDs, PWM frequency can be 3kHz or 22kHz. The output current of each channel can be set at up to 38mA (Max.) by an external resistor and independently scaled by a factor of 1, 1/2, 1/3 and 1/4. 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. IS31FL3235A is available in QFN-36 (4mm × 4mm) package. It operates from 2.7V to 5.5V over the temperature range of -40°C to +85°C.