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参数资料
| 型号： | PS501-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 27/42页 |
| 文件大小： | 0K |
| 描述： | IC FIELD REPROG BATT MGR 28SSOP |
| 标准包装： | 47 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 5.6 V ~ 18 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
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PS501
TABLE 9-3:
EOD AND FCC RELEARN
Parameter
Name
ADLNearEmpty
#
Bytes
2
Lower
Limit
0
Upper
Limit
65535
Typical
Value
3600
Operational Description
Cell voltage at which A/D switches to emphasize voltage
over current measurement near EOD (mV).
ADLNearFull
2
0
65535
4000
Cell voltage at which A/D switches to emphasize voltage
over current measurement near EOC (mV).
EOD1Cap
2
0
65535
150
The capacity that remains in the battery at EOD1Voltage .
This is typically a small amount used to power a shutdown
sequence for the system.
EOD1Voltage
EOD1Recheck
2
1
0
0
65535
255
3100
6
Voltage for EOD1 fixed voltage point (mV).
Delay filter for the EOD1 condition. Number of checks before
EOD1 trigger. The End-Of-Discharge conditions must
remain for at least this number of periods before being
considered true, to help filter out false empty conditions due
to spikes. EOD1 condition is based on the Variable Voltage
Look-up Table or EOD1Voltage .
EOD2Recheck
FullCapacity
1
2
0
0
255
65535
6
4150
Delay filter for EOD2 condition; EOD2 is based on Vempty .
Learned value of battery capacity. Used for SBData value of
FullChargeCapacity . This is a learned parameter which is
the equivalent of all charge counted from fully charged to
fully discharged, including self-discharge and error terms.
This is reset after a learning cycle and used for remaining
capacity and relative State-Of-Charge calculations.
RelearnCurrLim
2
0
65535
10,000
Value of measured current that prevents a capacity relearn
from occurring when a terminate discharge alarm condition
is reached at End-Of-Discharge (EOD). A learning cycle will
happen when the battery discharges from fully charged, all
the way to fully discharged, with no charging in between and
the discharge current never exceeds RelearnCurrLim
(Example: 3000). A relearn will only occur if current does not
exceed 3000 mA.
RelearnLimit
1
0
255
205
The maximum relearn limit. The maximum percentage that
the FULL_CAPACITY can change after a learning cycle,
where 255 = 100%.
RelearnMaxErr
2
0
65535
300
Maximum error for learning FullCapacity . The
FULL_CAPACITY will not be learned after a learning cycle if
the error is too great.
RLCycles
1
0
255
2
The number of initial cycles without RelearnLimit . The initial
number of cycles where RelearnLimit is not active.
FullCapacity can vary more greatly with the first learning
cycle since the initial capacity may not be correct, thus this
should be set to at least ‘ 2 ’.
Vempty
2
0
65535
3000
Second and final End-Of-Discharge voltage point. At this
point, remaining capacity is optionally set to ‘ 0 ’.
? 2004 Microchip Technology Inc.
DS21818C-page 27
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