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AW2023DNR

3-Channel LED Drivers with I 2 C Interface

AW2023 is a three channels constant current LED driver. The max output current is 4-level selectable (5mA/10mA/15mA/30mA). Each LED is 16 current levels configurable so as to achieve 4096 color mixing. The 256-level exponential PWM dimming creates fine and smooth dimming effect even in low brightness. AW2023 contains three independent pattern controllers. All LEDs can be controlled to work synchronously or individually due to the practical application. An I 2 C compatible interface in 400kHz fast mode is provided, the device address is 45H, and continuously writing and reading the internal registers is supported.

Characteristic

l  3-channel constant current LED drivers

n  4-level global maximum current: 5mA, 10mA, 15mA, 30mA

n  16-level individual current, 4096 mixed-color available

n  256-level individual PWM dimming

l  Automatic breathing lighting

n  Three individual pattern controllers

n  Individual and sync control selectable

l  LED current accuracy: ±3%

l  LED matching accuracy: ±3%

l  Low dropout voltage: 50mV

l  Low power consumption

n  ISTB<5uA in standby mode

l  UVLO and OT protection

l  Single power supply, 2.5V~5.5V

l  1.8V~3.3V,400kHz I2C interface (address 0x45)

l  DFN 2mm×2mm -10L package

Datasheet

Application note

Title Type Size Date Download
DS_AW2023_EN_V1.4_3_LED_Drivers_with_I2C_Interface.pdf PDF 2.4M 2019-06-17
  • LED Channel
    Audio Sync.
    Charging Indicator
    Auto Breath
    Global Max Current(mA)
    Global Current Level
    Individual Current Level
    PWM Level
    Power Supply (V)
Package form Number of pins Long(mm) Width(mm) Thick(mm) Pin spacing(mm) Heat sink Package drawing
DFN 2.0×2.0×0.75 -10L 10 2.0 2.0 0.75 0.4 Y
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