Datasheet > AS3665

AS3665

更新时间： 2024-02-19 21:48:26

品牌	Logo	应用领域
艾迈斯 - AMSCO		驱动器
页数	文件大小	规格书
2页	585K
描述
9 Channel Advanced Command Driven RGB/White LED Driver

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AS3665 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	FBGA, BGA25,5X5,20	Reach Compliance Code：	unknown
风险等级：	5.82	Is Samacsys：	N
JESD-30 代码：	S-PBGA-B25	端子数量：	25
最高工作温度：	85 °C	最低工作温度：	-30 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	FBGA
封装等效代码：	BGA25,5X5,20	封装形状：	SQUARE
封装形式：	GRID ARRAY, FINE PITCH	电源：	3/5 V
认证状态：	Not Qualified	子类别：	Display Drivers
表面贴装：	YES	温度等级：	OTHER
端子形式：	BALL	端子节距：	0.5 mm
端子位置：	BOTTOM	Base Number Matches：	1

AS3665 数据手册

ProductBrief

AS3665

9 Channel Advanced Command Driven RGB/White LED Driver

1 General Description

2 Key Features

ꢀ

High efficiency capacitive 150mA charge pump with

1:1, 1:1.5 and 1:2 modes with automatic mode

switching; 1:2 mode can be disabled

The AS3665 is a capacitive low noise charge pump with

9 current sources. The charge pump automatically

switches between 1:1 and 1:1.5 modes. The connected

current sources have a very low voltage compliance to

improve efficiency of the whole system. Three current

sources have the possibility to operate either from VBAT

or VCP (especially useful for red LEDs).

ꢀ

9 Channel High Side 20mA Current sources

- Less than 50mV at 10mA dropout voltage

- LED7,8,9 either powered by VBAT or VCP

Advanced Command based Pattern Generator

- 96 x 16 bits program memory

- Dedicated lighting commands like logarithmic fade

- Programming control and conditional jumps

Audio Controlled Lighting with internal digital filters

3 Sequencers

ꢀ

The internal control is done by command based pattern

generators implemented by three sequencers. These

commands are optimized for lighting applications (e.g.

ramp up brightness logarithmically). It includes high

level commands like conditionals jumps and variables.

Any of the three sequencers can be dynamically

ꢀ

- Dynamically mapped to 9 PWM generators

- Internal/External Synchronization

mapped to any of the 9 PWM generators for the LEDs.

The AS3665 supports an audio input and sophisticated

light patterns can be controlled by internal digital filters.

ꢀ

9 PWM generators (12 bit resolution)

- Automatic RGB Color Correction by TAMB

I²C interface with dedicated EN pin

The AS3665 is controlled by I²C mode. Synchronization

over several AS3665 is possible by the TRIG pin.

ꢀ

Available in WL-CSP-25 (2.5x2.5mm) 0.5mm pitch

The AS3665 is available in a space-saving WL-CSP-25

(2.5x2.5mm) 0.5mm pitch and operates over the -30ºC

to +85ºC temperature range.

3 Applications

RGB/White Fun or Event LED for mobile phones or por-

table devices; Lighting Management Unit

Figure 1. Typical Operating Circuit

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www.austriamicrosystems.com (ptr)

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