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LP5553 Datasheet

Powerwise Avs Energy Management

Manufacturer: National Semiconductor Corporation

LP5553 Overview

The LP5553 is a System Power Management Interface (SPMI) pliant 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,...

LP5553 Key Features

  • SPMI bus for system-level power management
  • High-efficiency PowerWise® Technology Adaptive
  • PLL/Clock Generation
  • Memory Retention Internal soft start Variable regulator power up sequencing

LP5553 Applications

  • Adaptive Voltage Scaling) over process and temperature variations. It also supports dynamic voltage scaling (DVS) using frequency/voltage pairs from pre-charact
  • SPMI bus for system-level power management

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