Hi. I’m Jong Bin YM, software design engineer at Agilent Technologies. Today I want to show
you a demonstration with the G1 Google phone and how to estimate battery lifetime for music
play. I take out battery and take out cell. This battery cell is just a normal battery,
3.7-volt battery, and we call it a dummy battery and connect the wire and connect our N6705
DC Power Analyzer. Setting the voltage is 3.7 and turn ON and plug into the phone. Okay,
ready to run.
This power analyzer software can monitoring and capture voltage, current, and power.
Go. When I press the ON button and screen is come up here and G1 screen mobile phone
and on to the software capturing or data logging whole battery drain profile. I can put an
event tag in here. Just turn on and the batteries boot up and show the splash screen Android
Another tag put in here. Open the phone,
I’m going to music menu, play song.
The Software music on
and I try to turn off the phone.
This power analysis still data logging all kinds of parameter.
In here turn off. Start the data logging. And I can see here the whole data logging
event tag. I move to my markers.
In the measurement table I can see the average current, min, max and peak to peak value.
In here average value 216 mA.
In the presentation file can see average current from our software.
The battery data sheet says the battery capacity is 1150 mAh. Into
Into the simple formula capacity divided by average average current, means 4.75 hr. Capacity came
from the battery data sheet the average current came from our software. The magic number can
estimate battery lifetime for music playing on the phone
In summary, today you have seen the demonstration with our DC Power Analyzer Software and Hardware
with the G1 Google phone. Play the music, data logging of battery drain profile, get
the number for average current during the play music And from the datasheet for the
battery get the capacity. Divide the capacity by the average current to determine the
battery life for music play.