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参数资料
| 型号： | DS2760BX-025/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/25页 |
| 文件大小： | 0K |
| 描述： | IC BATT MON LI-ION HP FLIPCHIP |
| 标准包装： | 10,000 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-UFBGA，FCBGA |
| 供应商设备封装： | 12-覆晶 |
| 包装： | 带卷 (TR) |
DS2760
resistor, the DS2760 maintains the Current Accumulator in units of Volt-hours, with a resolution of
6.25 m Vhrs and a full scale range of ± 205 mVhrs.
The Current Accumulator is a read/write register that can be altered by the host system as needed.
CURRENT ACCUMULATOR FORMAT Figure 5
MSB—Address 10
LSb—Address 11
S
2 14 2 13 2 12 2 11 2 10
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
MSb
LSb
MSb
LSb
Units: 0.25 mAhrs for internal sense resistor
6.25 m Vhrs for external sense resistor
CURRENT OFFSET COMPENSATION
Current measurement and the current accumulation are both internally compensated for offset on a
continual basis minimizing error resulting from variations in device temperature and voltage.
Additionally a constant bias may be utilized to alter any other sources of offset. This bias resides in
EEPROM address 33h in two’s-complement format and is subtracted from each current measurement.
The current offset bias is applied to both the internal and external sense resistor configurations. The
factory default for the current offset compensation is a value of 0.
CURRENT OFFSET BIAS Figure 6
Address 33
S
2 6
2 5
2 4
2 3
2 2
2 1
2 0
MSb
LSb
Units: 0.625 mA for internal sense resistor
15.625 m V for external sense resistor
VOLTAGE MEASUREMENT
The DS2760 continually measures the voltage between pins VIN and VSS over a range of 0 to 4.75V.
The resulting data is placed in the Voltage Register in two’s-complement format with a resolution of
4.88mV. Voltages above the maximum register value are reported as the maximum value. The Voltage
Register format is shown in Figure 7.
VOLTAGE REGISTER FORMAT Figure 7
MSB—Address 0C
LSb—Address 0D
S
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
X
X
X
X
X
MSb
LSb
MSb
LSb
Units: 4.88 mV
9
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相关代理商/技术参数 |
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|---|---|
| DS2760E | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:High Precision Li-Ion Battery Monitor |
| DS2760E-025 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:High Precision Li-Ion Battery Monitor |
| DS2760E8000001/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS2760EA | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:High Precision Li-Ion Battery Monitor |
| DS2760EA-025 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:High Precision Li-Ion Battery Monitor |
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