STW4810_07 datasheet(7/78 Pages) STMICROELECTRONICS

7 / 78 page

STw4810

Overview

7/78

Overview

The STw4810 power management device has the following features:

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Power management module

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1 Step-down converter for processor core (1 to 1.5 V with 15 steps at 600 mA)

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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

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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)

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1 Low-drop output regulator for processor analogue functions (2.5 V at 10 mA)

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1 Low-drop output regulator for auxiliary devices (1.5 V, 1.8 V, 2.5 V, 2.8 V at

150 mA)

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USB OTG module

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Full and low speed USB OTG transceiver

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1 Linear regulators (3.1 V at 40 mA) supplying transceiver

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1 Charge-pump (5 V at 100 mA) supplying VBUS line of the USB cable

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Mass memory cards (SD/MMC/SDIO)

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1 Linear regulator (1.8 V, 2.85 V, 3 V at 150 mA)

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Level shifter

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Miscellaneous

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32 kHz control for multimedia processor

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Processor supply monitoring

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Processor reset control

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2 Serial I2C interfaces

Figure 1.

Typical mobile multimedia system

STW4810 Datasheet(PDF) 7 Page - STMicroelectronics

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