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参数资料
| 型号： | PS501-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 33/42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 9-7:
CALIBRATION
Parameter
Name
# Lower Upper
Bytes Limit Limit
Typical
Value
Operational Description
CalStatus
1
0
255
b10000000 Bit coded as follows:
Bit
Function
7 Factory calibrated
6 EE/Flash downloaded
5 RC oscillator
4 External temperature
3 Internal temperature
2 Current
1 Pack voltage
0 Cell voltages
0 = Not Calibrated
1 = Calibrated
CFCurr
2
0
65535
6844
Correction Factor for Current. Adjusts the scaling of the
sense resistor current measurements. Used to calibrate
the measurement of current at the RSHP and RSHN input
pins. This is set for the size of the current sense resistor.
CFTempE
2
0
65535
1300
Correction Factor for Temperature. Adjusts the scaling of
temperature measured across an external thermistor at the
V NTC input pin.
CFTempI
2
0
65535
9102
Correction Factor for Temperature. Adjusts the scaling of
temperature measured from the internal temperature
sensor. Calibration: New CF_TEMP = Old CF_TEMP x
(Thermometer[°C]/SBData Temperature[°C] )
Note:
SBData Temperature is reported in 0.1°K
normally. It must be converted to °C for this
equation.
CFVCell1
2
0
65535
22325
Calibration Correction Factor for V CELL 1. Used to
calibrate the measurement of individual cell voltage
between the V CELL 1-4 input pins.
CFVCell2
2
0
65535
22393
Calibration Correction Factor for V CELL 2. Used to
calibrate the measurement of individual cell voltage
between the V CELL 1-4 input pins.
CFVCell3
2
0
65535
22420
Calibration Correction Factor for V CELL 3. Used to
calibrate the measurement of individual cell voltage
between the V CELL 1-4 input pins.
CFVCell4
2
0
65535
22470
Calibration Correction Factor for V CELL 4. Used to
calibrate the measurement of individual cell voltage
between the V CELL 1-4 input pins.
CFVPack
2
0
65535
20045
Correction Factor for Pack Voltage. Adjusts the scaling of
the pack voltage measurements. Used to calibrate the
measurement of pack voltage between V CELL 4 input pin
and ground.
COCurr
2
-32768 32767
-12
Correction Offset for Current. This is the value the A/D
reads when zero current is flowing through the sense
resistor.
COD
1
-128
127
-12
Correction Offset Deviation. Offset value for the
auto-zero calibration of the current readings.
SBData Current[mA] = (I_A/D – COCurr ) x CFCurr /16384
Calibration: CF_CURR = ((Ammeter[mA] x 16384) –
8192)/(Current – I_A/D at OCV)
? 2004 Microchip Technology Inc.
DS21818C-page 33
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相关代理商/技术参数 |
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