ATEVK527 Atmel, ATEVK527 Datasheet - Page 17

• Manufacturer Part Number: ATEVK527
• Description: KIT EVAL PWM AVR USB 4 SERIES
• Manufacturer: Atmel
• Series: AVR®r

Specifications of ATEVK527

• Main Purpose: Power Management, Battery Charger
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ATmega16U4, ATmega32U4
• Primary Attributes: 1 Cell- Li-Ion
• Secondary Attributes: Graphical User Interface, USB Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.4.4 Discharge()
4.4.5 Sleep()
7801A-AVR-06/08
Figure 4-6. End of charge state function.
This function has not been implemented.
The application enters sleep mode when all batteries have been fully charged. It
wakes up at regular intervals to check the current status of the batteries. Sleep mode
is terminated as soon as any battery requires charging.
Sleep mode is illustrated in the flow chart below.
Figure 4-7. Flow chart of sleep function
Call ConstantCurrent()
ST_PREQUAL_CTRL
ST_CCURRENT_CTRL
Call ConstantCurrent()
Return next state to
batt_task().
What is the current
Charge()
state?
ST_CVOLTAGE_CTRL
Call ConstantVoltage()
AVR146
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