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ISSI IS31FL3737-QFLS4-TR product image
  • IS31FL3737-QFLS4-TR thumbnail 1
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  • Pinout Diagram
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ISSI IS31FL3737-QFLS4-TRRoHS

Manufacturer
ISSI
MPN
IS31FL3737-QFLS4-TR
LCSC Part #
C506254
Packaging
QFN-40-EP(5x5)
Customer #
Key Attributes
12x12 DOTS MATRIX LED DRIVER WITH INDIVIDUAL AUTO BREATH FUNCTION
Datasheetpdf iconISSI IS31FL3737-QFLS4-TR
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QtyUnit Price(Reference Only)Total Amount
1+$ 1.4786$ 1.48
10+$ 1.2357$ 12.36
30+$ 1.1014$ 33.04
100+$ 0.9505$ 95.05
500+$ 0.8826$ 441.30
1,000+$ 0.8525$ 852.50
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerISSI
PackagingQFN-40-EP(5x5)
Output Voltage-
FeaturesShort Circuit Protection;LED open-circuit protection
Frequency - Switching1MHz
Switch Tube (Built-In/External)Built-in
Voltage - Input(AC)-
Operating temperature-40℃~+125℃
Number of Channels24
Topology-
Type-
Output Current42mA
Constant Current Accuracy-
Voltage - Input(DC)2.7V~5.5V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The IS31FL3737 is a general purpose 12×12 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 PWM data which allowing 256 steps of linear dimming. IS31FL3737 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, IS31FL3737 store the open or short information in Open - Short Registers. The Open - Short Registers allowing MCU to read out via I2C compatible interface. Inform MCU whether there are LEDs open or short and the locations of open or short LEDs. The IS31FL3737 operates from 2.7V to 5.5V and features a very low shutdown and operational current. IS31FL3737 is available in QFN - 40 (5mm×5mm) package. It operates from 2.7V to 5.5V over the temperature range of - 40°C to + 125°C.

Features

AI Translation
  • Supply voltage range: 2.7V to 5.5V
  • 12 current source outputs for row control
  • 12 switch current inputs for column scan control
  • Up to 144 LEDs (12×12) in dot matrix
  • Programmable 12×12 (48 RGBs) matrix size with de - ghost function
  • 1MHz I2C - compatible interface
  • Selectable 3 Auto Breath Modes for each dot
  • Auto Breath Loop Features interrupt pin inform MCU Auto Breath Loop completed
  • Auto Breath offers 128 steps gamma current, interrupt and state look up registers
  • 256 steps Global Current Setting
  • Individual on/off control
  • Individual 256 PWM control steps
  • Individual Auto Breath Mode select
  • Individual open and short error detect function
  • Cascade for synchronization of chips
  • QFN - 40 5mm×5mm package

Applications

AI Translation
  • Mobile phones and other hand - held devices for LED display
  • Gaming device (Keyboard, Mouse etc.)
  • LED in white goods application