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IS31FL3740 - 3 x 4 DOTS MATRIX LED DRIVER

Description

The IS31FL3740 is a general purpose 3×4 LEDs matrix driver with 1/12 cycle rate.

The device can be programmed via an I2C compatible interface.

Each LED can be dimmed individually with 8-bit × 8 PWM data which allowing 1024 steps of linear dimming.

Features

  • 3 Auto Breathing Modes which are noted as ABM-1, ABM-2 and ABM-3. For each Auto Breathing Mode, there are 4 timing characters which include current rising / holding / falling / off time and 3 loop characters which include Loop-Beginning / Loop-Ending / Loop-Times. Every LED can be configured to be any Auto Breathing Mode or NoBreathing Mode individually. Additionally each LED open and short state can be detected, IS31FL3740 store the open or short information in Open-Short Registers. The Open-Sh.

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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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IS31FL3740 3×4 DOTS MATRIX LED DRIVER WITH INDIVIDUAL AUTO BREATH FUNCTION January 2018 GENERAL DESCRIPTION The IS31FL3740 is a general purpose 3×4 LEDs matrix driver with 1/12 cycle rate. The device can be programmed via an I2C compatible interface. Each LED can be dimmed individually with 8-bit × 8 PWM data which allowing 1024 steps of linear dimming. IS31FL3740 features 3 Auto Breathing Modes which are noted as ABM-1, ABM-2 and ABM-3. For each Auto Breathing Mode, there are 4 timing characters which include current rising / holding / falling / off time and 3 loop characters which include Loop-Beginning / Loop-Ending / Loop-Times. Every LED can be configured to be any Auto Breathing Mode or NoBreathing Mode individually.
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