Datasheet > IS31FL3199

IS31FL3199

更新时间： 2024-11-11 12:23:07

品牌	Logo	应用领域
美国芯成 - ISSI		驱动器
页数	文件大小	规格书
16页	372K
描述
9-CHANNEL LIGHT EFFECT LED DRIVER

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IS31FL3199 数据手册

IS31FL3199

9-CHANNEL LIGHT EFFECT LED DRIVER

January 2012

GENERAL DESCRIPTION

FEATURES

IS31FL3199 is a 9-channel light effect LED driver

which features two-dimensional auto breathing mode

and an audio modulated display mode. It has One Shot

Programming mode and PWM Control mode for RGB

lighting effects. The maximum output current can be

adjusted in 8 levels (5mA~40mA).



2.7V to 5.5V supply voltage

I2C interface, automatic address increment

function

Three groups RGB, single color LED breathing

system-free pre-established pattern

9 independently controlled automatic and

semiautomatic breathing system-free

pre-established pattern

9 independently controlled outputs of 256 PWM

steps

8 levels programmable output current

Audio mode with AGC function

Cascade for the synchronization of chips

Over-temperature protection

QFN-20 (3mm × 3mm) package



In PWM Control mode, the PWM duty cycle of each

output can be independently programmed and



controlled in 256 steps to simplify color mixing. In One

Shot Programming mode, the timing characteristics for

output current - current rising, holding, falling and off

time, can be adjusted individually so that each output

can independently maintain a pre-established pattern

achieving mixing color breathing or a single color

breathing without requiring any additional interface

activity, thus saving valuable system resources.



APPLICATIONS

The IS31FL3199 includes an audio modulated display

mode, wherein the brightness of LED can be

modulated by audio signal. There is a cascade pin for

the synchronization of two chips.



Mobile phones and other hand-held devices for

LED display

LED in home appliances

IS31FL3199 is available in QFN-20 (3mm × 3mm). It

operates from 2.7V to 5.5V over the temperature range

of -40°C to +85°C.

TYPICAL APPLICATION CIRCUIT

Figure 1 Typical Application Circuit

Integrated Silicon Solution, Inc. — www.issi.com

Rev.A, 12/26/2011

12 3 4 5 6 7...16

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