
Power Considerations
8.2.2Current Measurements
The following is the results of RDK mouse current measurement:
Table
Operation Mode | Icc (mA) with | Icc (mA) with | Average Icc | |
Supply Voltage = | Supply Voltage = | |||
(mA) | ||||
| 2.5V | 2.8V | ||
|
| |||
Active | 8 | 6.9 | 7.5 | |
paper. | ||||
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Rest1 | 2.03 | 1.81 | 1.92 | |
ond after being in the active state. | ||||
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Rest2 | 0.16 | 0.15 | 0.16 | |
onds after being in the active state. | ||||
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Rest3 | 0.071 | 0.070 | 0.071 | |
utes after being in the active state. | ||||
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Not connected | 0.05 | 0.04 | 0.05 |
8.2.3Battery Life Calculations
The following table shows the times spent in each state by the RDK mouse usage model. By substi- tuting the current measurements in section Current Measurements, the overall average Icc for RDK mouse can be calculated.
Table
| Mode | Hrs/day | Days | Average Icc (mA) | Charge (mAh) | |
| Active | 1 | 5 | 7.5 | 37.5 | |
Week day | Rest1 | 2 | 5 | 1.92 | 19.2 | |
Rest2 | 2 | 5 | 0.16 | 1.6 | ||
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| Rest3 | 19 | 5 | 0.07 | 6.65 | |
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Weekend | Rest3 | 24 | 2 | 0.07 | 3.36 | |
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Charge Per Week (mAh) |
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| 68.3 | ||
Overall Average Icc (mA) |
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| 0.407 |
The RDK mouse uses two AA battery cells and enables the PMU function. Therefore, it is able to access approximately a
CY4672 Reference Design Guide, Document # | 109 |
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