datasheet4u.com

900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




STMicroelectronics Electronic Components Datasheet

STW4811N Datasheet

Power management

No Preview Available !

STW4811N pdf
STw4811M
STw4811N
Power management for multimedia processors
Features
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
3 low-drop output regulators for different uses
– PLL analog supplies:
1.05 V, 1.2 V, 1.3 V 1.8 V - 10 mA
– Processor analog functions:
2.5 V - 10 mA
– Auxiliary device:
1.5 V, 1.8V , 2.5 V, 2.8 V - 150 mA
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 NomadikTM STn881x
Multimedia processor
Mobile phones, PDA, videophone
STw4811
TFBGA 84
6x6x1.2mm
0.5mm pitch
STw4811
VFBGA 84
4.6x4.6x1.0mm
0.4mm pitch
Description
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.
SDIOTM is also supported and allows to connect
multimedia peripherals like cameras.
June 2010
CD00131784 Rev 4
1/85
www.stnwireless.com
1


STMicroelectronics Electronic Components Datasheet

STW4811N Datasheet

Power management

No Preview Available !

STW4811N pdf
Contents
Contents
STw4811M/STw4811N
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Ball information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Ball connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Ball functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Digital control module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2.1 State machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2.2 POWER OFF / VDDOK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2.3 Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2.4 I2C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.5 Control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2.6 IT generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.2.7 Clock switching and control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.3 Power management module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.3.1 Bandgap, biasing and references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.3.2 VCORE regulator: DC/DC STEP- DOWN regulator . . . . . . . . . . . . . . . 41
4.3.3 VIO_VMEM regulator: DC/DC step- down regulator . . . . . . . . . . . . . . . 41
4.3.4 VPLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.3.5 VANA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.3.6 VAUX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4.3.7 Power supply monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4.3.8 Power supply domains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.3.9 Thermal shut-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.4 USB OTG module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.4.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.4.2 Modes and operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4.4.3 USB enable control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.5 SD/MMC/SDIO module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.5.1 SD/MMC/SDIO LDO supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
2/85 CD00131784


Part Number STW4811N
Description Power management
Maker STMicroelectronics
Total Page 30 Pages
PDF Download
STW4811N pdf
STW4811N Datasheet PDF
[partsNo] view html
View PDF for Mobile








Similar Datasheet

1 STW4811M Power management STMicroelectronics
STMicroelectronics
STW4811M pdf
2 STW4811N Power management STMicroelectronics
STMicroelectronics
STW4811N pdf





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy