National Semiconductor LP5550 PowerWise Technology Compliant Energy Management Unit Data Sheet
Summary
This sophisticated Energy Management Unit is an essential component for portable electronics, designed to optimize power consumption in mobile processors compliant with PowerWise technology. By executing adaptive voltage scaling, it sustainably reduces battery drain across various applications. The comprehensive documentation provides detailed functional specifications, system diagrams, pinout guides, and electrical characteristics necessary for integration. It is ideal for engineers developing sophisticated battery-powered devices, including cellular handsets (GSM/UMTS), PDAs, hand-held radios, and portable instruments requiring high efficiency and stable voltage regulation.
Manual Details
| Brand | National |
|---|---|
| Pages | 25 |
| File Size | 1.01 MB |
| Published | July 22, 2026 |
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Frequently Asked Questions
What critical devices can use the LP5550?
It supports GSM/GPRS/EDGE & UMTS cellular handsets, hand-held radios, PDAs, and various battery-powered portable instruments.
What technology does this chip utilize for power optimization?
It is a PWI 1.0 compliant Energy Management Adaptive Voltage Scaling System that uses intelligent voltage scaling to reduce processor power consumption.
What are the typical operating voltage limits?
For signals like VFB, ENABLE, and RESETN, the normal operating range is 3.0V to 5.5V.
Is this component approved for life support systems?
No; these products are not authorized for use as critical components in life support devices without express written approval.