STW4810_07 Datasheet, PDF (1/78 Pages) STMicroelectronics – Power management for multimedia processors

STw4810
Power management for multimedia processors
Features
■ 2 Step-down converters
– 1 to 1.5V with 15 steps at 600mA
– 1.8V at 600mA for general purpose usage
■ 3 Low-drop output regulators for different uses
– PLL analog supplies:
1.05V, 1.2V, 1.3V 1.8V - 10mA
– Processor analogue functions:
2.5V - 10mA
– Auxiliary device:
1.5V, 1.8V, 2.5V, 2.8V - 150 mA
■ USB OTG module
– Full and low speed USB OTG transceiver
– Charge-pump (5V, 100mA) for USB cable
■ Mass memory cards (SD/MMC/SDIO)
– 1 linear regulator: 1.8V, 2.85V, 3V - 150mA
– Level shifter
■ Miscellaneous
– 32 kHz control for multimedia processor
– Processor supply monitoring
– Processor reset control
– 2 Serial I2C interfaces
Application
■ ST NOMADIK^TM STn88xx
■ Multimedia processor
■ Mobile phones, PDA, videophone
STw4810CHD
TFBGA 84
6x6x1.2mm
0.5mm pitch
STw4810CRA
VFBGA 84
4.6x4.6x1.0mm
0.4mm pitch
Description
STw4810 is a power management companion
chip for multimedia processors used in portable
applications. It supplies the multimedia processor
including its memories and peripherals. STw4810
supports the main mass memory standard cards.
SDIO^TM is also supported and allows to connect
multimedia peripherals like cameras.
September 2007
Rev 9
1/78
www.st.com
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