STW4811M_10 Datasheet, PDF (1/85 Pages) STMicroelectronics – Power management for multimedia processors

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 Nomadik^TM 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.
SDIO^TM is also supported and allows to connect
multimedia peripherals like cameras.
June 2010
CD00131784 Rev 4
1/85
www.stnwireless.com
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