Android Device Power Management Solution

Mobile devices have progressively become more powerful with power consuming technologies and applications used frequently by mobile phone users. Power management is very critical for handheld devices for battery life improvement and also for Point-of-Sales devices as power consumption significantly affects operating costs. eInfochips has in-depth knowledge of power management class, services and frameworks offered at Kernel and Android-level. Based on the end-product and customer needs, eInfochips provides customized solution to reduce power consumption and achieve battery life improvement on Android devices. The solution covers the following techniques

Drivers & Framework changes:

• Clock framework /API to manage device clocks
• Wake locks API for drivers
• System Suspend and resume techniques

Run-time power management
Application-driven power management
Voltage frequency scaling

• Switch on/off device by demand
• Gating off unused device clock

ACPI-based power management
Idle-time power management

• Dynamic tick
• CPUidle framework
• Deferrable timers
• PowerTop and system tuning