Datasheet > AS3527

AS3527

更新时间： 2024-10-30 08:34:59

品牌	Logo	应用领域
艾迈斯 - AMSCO		/
页数	文件大小	规格书
2页	585K
描述
Advanced Audio Processor System

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AS3527 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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AS3665

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www.austriamicrosystems.com (ptr)

Revision 1.0

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与AS3527相关器件

型号	品牌	获取价格	描述	数据表
AS3527AFCTR	AMSCO	获取价格	Advanced Audio Processor System
AS3527AFCTT	AMSCO	获取价格	Advanced Audio Processor System
AS3528	VISHAY	获取价格	PASSIVATED ANISOTROPIC RECTIFIER TECHNOLOGY
AS352R035	AMETHERM	获取价格	Resistance @ 25Â°c
AS353R030	AMETHERM	获取价格	Resistance @ 25°c
AS3543	AMSCO	获取价格	High End Stereo Audio Codec with System PMU
AS3543_11	AMSCO	获取价格	High End Stereo Audio Codec wi th System PMU
AS3543-ECTP	AMSCO	获取价格	High End Stereo Audio Codec wi th System PMU
AS355R025	AMETHERM	获取价格	Resistance @ 25°c
AS358	BCDSEMI	获取价格	LOW POWER DUAL OPERATIONAL AMPLIFIERS

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