STW4811N

更新时间： 2024-09-30 06:14:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
85页	1179K
描述
Power management for multimedia processors

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数据手册

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STW4811N 数据手册

STw4811M

STw4811N

Power management for multimedia processors

Features

STw4811

TFBGA 84

6x6x1.2mm

0.5mm pitch

■ 2 step-down converters

– 1 to 1.45 V with 15 steps at 700 mA

– 1.8 V at 600 mA for general purpose usage

STw4811

VFBGA 84

■ 3 low-drop output regulators for different uses

– PLL analog supplies:

4.6x4.6x1.0mm

0.4mm pitch

1.05 V, 1.2 V, 1.3 V 1.8 V - 10 mA

– Processor analog functions:

2.5 V - 10 mA

Description

– Auxiliary device:

1.5 V, 1.8V , 2.5 V, 2.8 V - 150 mA

STw4811 is a power management companion

chip for multimedia processors used in portable

applications. It supplies the multimedia processor

including its memories and peripherals. STw4811

supports the main mass memory standard cards.

SDIO^TMis also supported and allows to connect

multimedia peripherals like cameras.

■ USB OTG module

– Full and low speed USB OTG transceiver

– Charge-pump (5 V, 100 mA) for USB cable

■ Mass memory cards (SD/MMC/SDIO)

– 1 linear regulator: 1.8 V, 1.85 V, 2.6 V,

2.7 V, 2.85 V, 3 V, 3.3 V - 150 mA

– Level shifter

■ Miscellaneous

– 32 kHz control for multimedia processor

– Processor supply monitoring

– Processor reset control

– 2 serial I2C interfaces

Applications

■ ST Nomadik^TMSTn881x

■ Multimedia processor

■ Mobile phones, PDA, videophone

June 2010

CD00131784 Rev 4

1/85

www.stnwireless.com

12 3 4 5 6 7...85

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