Smart-Keyboard eSK-R30B-X
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Solution Specification (V1.3) 01.25.2013
(This specification is subject to change without further notice)
10.
Power Management
The Smart-Keyboard has automatic managerial function of saving power in each
mode to extend battery life.
There are three defined stages — Operating mode, Standby mode, and sleep mode.
Operating mode
：
When the fingers touch the touchpad to do gestures function.
Standby mode
：
After 1 second of no activity in Operating mode, the Smart-
Keyboard then goes into Standby mode.
Sleep mode
：
After 10 seconds of no activity in Standby mode, the Smart-
Keyboard then goes into Sleep mode.
Deep sleep mode
：
After 12 minutes of no activity in Sleep mode, the Smart-
Keyboard then goes into Deep sleep mode.
As per the Standby modes, any buttons, keys, touchpad motion will send the system
back to Operating mode.
The current measure as the below:
Test Condition: T = 25ºC, VDD=3.3V, VSS=0V,without DC-DC
mode
Min.
Typ.
Max. Unit
Remarks
Operating mode
-
5.0
mA
Standby mode
-
1.32
-
mA
Sleep mode
-
390
uA
Deep sleep mode
240
uA