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LP5550 Datasheet Energy Management

Manufacturer: Texas Instruments

General Description

The LP5550 is a PWI 1.0 compliant Energy Management System for reducing power consumption of stand-alone mobile phone processors such as base-band or applications processors.

The LP5550 contains an advanced, digitally controlled switching regulator for supplying variable voltage to processor core and memory.

The device also incorporates 3 programmable LDO-regulators for powering I/O, PLLs and maintaining memory retention in shutdown-mode.

Overview

LP5550 www.ti.com SNVS378G – OCTOBER 2005 – REVISED APRIL 2013 LP5550 PowerWise™ Technology Compliant Energy Management Unit Check for Samples:.

Key Features

  • 1.
  • 2 Supports High-Efficiency PowerWise Technology Adaptive Voltage Scaling.
  • PWI Open Standard Interface for System Power Management.
  • Digitally Controlled Intelligent Voltage Scaling.
  • 1 MHz PWM Switching Frequency.
  • Auto or PWI Controlled PFM Mode Transition.
  • Internal Soft Start/Startup Sequencing.
  • 3 Programmable LDOs for I/O, PLL, and Memory Retention Supply Generation.
  • Power OK Output.