通道數 28
三原色光模式 -
Γ修正 External
接口 I2C
音频同步器 No
自動調光 No
電壓 - 電源 2.7-5.5
腳位/封裝 QFN-36
文件 Eval Board
狀態 Prod
產品系列 31 = 商業/工業模擬
產品類別 FL = 灯效LED(FxLED)驅動
IC代碼 3235
硅片版本 A
焊接 L = 無鉛
温規 S2 = 工業級 (-40ºC to 85ºC)
外包裝 卷轴包
相關IC编號

IS31FL3235A-QFLS2-TR 特徵

  • February 2017
  • 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

概觀

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.