LP5553 Datasheet PDF (PowerWise AVS Energy Management) | Download National Semiconductor Corporation LP5553

LP5553 - PowerWise AVS Energy Management

Description

The LP5553 is a System Power Management Interface (SPMI) compliant Energy Management Unit for reducing power consumption of low power hand held applications such as dual-core processors and DSPs.

Features

SPMI bus for system-level power management.
High-efficiency PowerWise® Technology Adaptive.
Voltage Scaling for intelligent energy management in AVS and DVS environments Two digitally programmable 3.6 MHz buck regulators to power dual voltage domains Five Programmable LDOs for system functions such as:.
PLL/Clock Generation.
I/O.
Memory Retention Internal soft start Variable regulator power up sequencing.

Datasheet Details

Part number	LP5553
Manufacturer	National Semiconductor Corporation
File Size	3.75 MB
Description	PowerWise AVS Energy Management
Datasheet	LP5553 Datasheet
Additional preview pages of the LP5553 datasheet.

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Full PDF Text Transcription

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LP5553 - PowerWise® AVS Energy Management Unit with SPMI www.DataSheet4U.com March 5, 2009 LP5553 PowerWise® AVS Energy Management Unit with SPMI General Description The LP5553 is a System Power Management Interface (SPMI) compliant Energy Management Unit for reducing power consumption of low power hand held applications such as dual-core processors and DSPs. The LP5553 contains 2 advanced, digitally controlled stepdown DC/DC converters for supplying variable voltages to a SoC. The device also incorporates 5 programmable lowdropout, low noise linear regulators for powering I/O, peripheral logic blocks, auxiliary system functions, and maintaining memory retention (dual-domain) in shutdown-mode. The LP5553 implements 2 Non-Request Capable Slaves that are controlled via the SPMI.

Published: Jul 9, 2009 |