LP5553 Description
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 step-down DC/DC converters for supplying variable voltages to a SoC. The device also incorporates 5 programmable low-dropout, low noise linear regulators for powering I/O,...
LP5553 Key Features
- 2 SPMI Bus for System-Level Power Management
- High-Efficiency PowerWise® Technology Adaptive Voltage Scaling for Intelligent Energy Management in AVS and DVS Environm
- Two Digitally Programmable 3.6 MHz Buck Regulators to Power Dual Voltage Domains
- Five Programmable LDOs for System Functions Such as
- PLL/Clock Generation
- Memory Retention
- Internal Soft Start
- Variable Regulator Power Up Sequencing
- Input Voltage Range: 2.7 to 4.8V
- Output Voltage Range: ±2% (typical)
LP5553 Applications
- Adaptive Voltage Scaling) over process and temperature variations. It also supports dynamic voltage scaling (DVS) using frequency/voltage pairs from pre-charact