STW4811M STMicroelectronics, STW4811M Datasheet - Page 7

• Manufacturer Part Number: STW4811M
• Description: Power Management For Multimedia Processors
• Manufacturer: STMicroelectronics

STw4811M/STw4811N
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Overview
The STw4811 power management device has the following features:
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Power management module
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Auxiliary device
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USB OTG module
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Mass memory cards (SD/MMC/SDIO)
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Miscellaneous
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1 Step-down converter for processor core (1 Vto 1.45 V with 15 steps at 600 mA)
1 Step-down converter (1.8 V at 600 mA) for general purpose usage such as
processor input/output supply, external memory, DDR and SDRAM and
peripherals
1 Low-drop output regulator for analog supplies, such as PLL (1.05 V, 1.2 V, 1.3 V,
1.8 V at 10 mA)
1 Low-drop output regulator for processor analog functions (2.5 V at 10 mA)
1 Low-drop output regulator for auxiliary devices (1.5 V, 1.8 V, 2.5 V, 2.8 V at
150 mA)
STw4811M: Vaux OFF at start up
STw4811N: Vaux ON at start up
Full and low speed USB OTG transceiver
1 Linear regulator 3.1 V supplying transceiver
1 Charge-pump (5 V at 100 mA) supplying VBUS line of the USB cable
1 Linear regulator (1.8 V, 1.85 V, 2.6 V, 2.7 V, 2.85 V, 3 V, 3.3 V at 150 mA)
Level shifters
32 kHz control for multimedia processor
Processor supply monitoring
Processor reset control
2 Serial I2C interfaces
Overview
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