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LP5550 - PowerWise Technology Compliant Energy Management

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.

Features

  • n Supports high-efficiency PowerWise Technology Adaptive Voltage Scaling n PWI open standard interface for system power management n Digitally controlled intelligent voltage scaling n 1 MHz PWM switching frequency n Auto or PWI controlled PFM mode transition n Internal soft start/startup sequencing. n 3 programmable LDOs for I/O, PLL, and memory retention supply generation. n Power OK output.

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www.DataSheet4U.com LP5550 PowerWise™ Technology Compliant Energy Management Unit October 2005 LP5550 PowerWise™ Technology Compliant Energy Management Unit 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. The device is controlled via the PWI open-standard interface.
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