参数资料
| 型号： | ATEVK527 |
| 厂商： | Atmel |
| 文件页数： | 16/35页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL PWM AVR USB 4 SERIES |
| 标准包装： | 1 |
| 系列： | AVR® |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | ATmega16U4，ATmega32U4 |
| 主要属性： | 1 芯锂离子电池 |
| 次要属性： | 图形用户界面，USB 接口 |
| 已供物品： | 板 |
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Figure 4-5. Flow chart of the charge state function
Charge()
See Figure 4.6 for
ST_PREQUAL
ST_CCURRENT
What is the current
state?
ST_CVOLTAGE
ST_ENDCHARGE
ST_PREQUAL_CTRL
ST_CCURRENT_CTRL
ST_VOLTAGE_CTRL
Set charge current to the
defined prequalification
current.
(BAT_CURRENT_PREQUAL)
Set ST_CCURRENT as the
next desired state.
Set charge current to the
battery's maximum current.
(BattData.MaxCurrent)
Set ST_CVOLTAGE as the
next desired state.
Set charge voltage to the
defined maximum.
(BAT_VOLTAGE_MAX)
Set ST_ENDCHARGE as the
next desired state.
Stop PWM output.
Flag battery as charged.
Flag that charging should halt
once voltage reaches limit or
time runs out, and that timeout
means that battery is worn
Set voltage limit to the defined
maximum.
(BAT_VOLTAGE_MAX)
Flag that charging should halt
once current sinks below limit,
or time runs out.
Is the other battery
enabled?
NO
out.
YES
Set voltage limit to defined
prequalification voltage.
(BAT_VOLTAGE_PREQUAL)
Set minimum and maximum
temperature to defined limits.
(BAT_TEMPERATURE_MIN
Start charge timer with
the battery's maximum
charge time.
(BattData.MaxTime)
Next state is
ST_CCURRENT_CTRL
Set current limit to the
battery's cutoff limit.
(BattData.MinCurrent)
Next state is
ST_CVOLTAGE_CTRL
Set ST_BATCON as
next state.
Set ST_SLEEP as next
state.
& MAX)
Start PWM output.
Start charge timer with
defined limit.
(BAT_TIME_PREQUAL)
Next state is
ST_PREQUAL_CTRL
Return next state to
batt_task().
16
AVR146
7801A-AVR-06/08
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| ATICE50POD | REPLACEMENT POD FOR ICE40,ICE50 |
| ATQT600IB | BOARD INTERFACE ATQT600IB |
| ATSTK1000 | KIT STARTER FOR AVR32AP7000 |
| ATSTK501 | ADAPTER KIT FOR 64PIN AVR MCU |
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