News & Analysis
Power Management
5/2/2003 1:25 PM EDT
Power Management
Innovation powers the 'camera phone'
CPU-monitoring loop eyes system power
Battery apps benefit from MCU clocking, mode control and low-power peripherals
RF "sleep modes" can improve battery life in wireless phones
Mixed-signal integration key to future power management in portables
CDMA handset design challenge: 11 separate power supplies
USB On-The-Go presents benefits, challenges to power designers
Switching power supply improves data/talk-time
Overview
Portable power management has drastically changed in the six months since we last explored it.
The most influential players now talk about a package-level process, involving power management
systems-on-chip, transferable cores and synthesizable intellectual property (IP)-so much so that
parts of this issue will read more like EE Times' "Silicon Engineering" than "Signals."
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