参数资料
| 型号： | ATEVK527 |
| 厂商： | Atmel |
| 文件页数： | 26/35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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Table 5-1. Battery-related compile-time constants (see source file battery.h)
Label
CELL_VOLTAGE_SAFETY
CELL_VOLTAGE_MAX
CELL_VOLTAGE_LOW
CELL_VOLTAGE_MIN
CELL_VOLTAGE_PREQUAL
BAT_TEMPERATURE_MAX
BAT_TEMPERATURE_MIN
BAT_CURRENT_PREQUAL
BAT_CURRENT_HYST
BAT_VOLTAGE_HYST
BAT_VOLTAGE_PREQUAL
BAT_TIME_PREQUAL
DEF_BAT_CAPACITY
DEF_BAT_CURRENT_MAX
DEF_BAT_TIME_MAX
DEF_BAT_CURRENT_MIN
ALLOW_NO_RID
RID[ ].Low and RID[ ].High
RID[ ].Capacity
RID[ ].Icharge
RID[ ].tCutOff
RID[ ].IcutOff
NTC[ ]
Description
In case unmatched batteries are to be charged, this constant
is subtracted from CELL_VOLTAGE_MAX for every extra cell
in the battery, ie. BAT_CELL_NUMBER – 1.
The voltage at which a cell should be charged.
The lowest voltage at which a cell is considered charged.
Charging will start when voltage drops below this level.
The lowest voltage at which charging may be initiated.
Should generally be set to the voltage limit under which
further discharge of batteries will cause damage.
The voltage to which a cell should be charged to during
prequalification.
The highest battery temperature allowed. Charging will stop /
not start if above this.
The lowest battery temperature allowed. Charging will stop /
not start if below this.
Charge current during prequalification mode.
Charge current hysteresis.
Charge voltage hysteresis.
Target voltage during prequalification stage. If this voltage is
not achieved the battery will be marked as worn out.
Maximum amount of time to spend in prequalification stage.
Default battery capacity.
Default maximum charge current.
Default maximum charge time.
Default cut-off charge current.
If defined, batteries without RID (or not matching the lookup-
table) will cause the charger to use the battery defaults.
Otherwise, charge is halted.
Assume RID resistance match if value within these limits.
Battery capacity for given RID.
Charge current for given RID.
Maximum charge time for given RID.
Charge termination current for given RID.
Temperature look-up table.
26
AVR146
7801A-AVR-06/08
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