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参数资料
| 型号： | DS2781E+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/31页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 8TSSOP |
| 产品培训模块： | 1-Wire Communications Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 2.5 V ~ 10 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1436 (CN2011-ZH PDF) |
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DS2781
RESULT REGISTERS
The DS2781 processes measurement and cell characteristics on a 440ms interval and yields seven result
registers. The result registers are sufficient for direct display to the user in most applications. The host system can
produce customized values for system use, or user display by combining measurement, result and User EEPROM
values.
FULL(T) [ ]: The Full capacity of the battery at the present temperature is reported normalized to the 40°C Full
value. This 15-bit value reflects the cell stack model Full value at the given temperature. FULL(T) reports values
between 100% and 50% with a resolution of 61ppm (precisely 2 -14 ). Though the register format permits values
greater than 100%, the register value is clamped to a maximum value of 100%.
Active Empty, AE(T) [ ]: The Active Empty capacity of the battery at the present temperature is reported
normalized to the 40°C Full value. This 13-bit value reflects the cell stack model Active Empty at the given
temperature. AE(T) reports values between 0% and 49.8% with a resolution of 61ppm (precisely 2 -14 ).
Standby Empty, SE(T) [ ]: The Standby Empty capacity of the battery at the present temperature is reported
normalized to the 40°C Full value. This 13-bit value reflects the cell stack model Standby Empty value at the
current temperature. SE(T) reports values between 0% and 49.8% with a resolution of 61ppm (precisely 2 -14 ).
Remaining Active Absolute Capacity (RAAC) [mAh]: RAAC reports the capacity available under the current
temperature conditions at the Active Empty discharge rate (IAE) to the Active Empty point in absolute units of milli-
amp-hours. RAAC is 16 bits. See Figure 14.
Figure 14. Remaining Active Absolute Capacity Register Format
RAAC
MSB—Address 02h
LSB—Address 03h
Read Only
2 15
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:1.6mAhr
Remaining Standby Absolute Capacity (RSAC) [mAh]: RSAC reports the capacity available under the current
temperature conditions at the Standby Empty discharge rate (ISE) to the Standby Empty point capacity in absolute
units of milli-amp-hours. RSAC is 16 bits. See Figure 15.
Figure 15. Remaining Standby Absolute Capacity Register Format
RSAC
MSB—Address 04h
LSB—Address 05h
Read Only
2 15
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:1.6mAhr
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2781E+ | 功能描述:电池管理 1-2 Cell Stand-Alone Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2781E+T&R | 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE 制造商:Maxim Integrated Products 功能描述:STANDALONE FUEL GAUGE IC 8TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE BATT 8TSSOP |
| DS2781E+T&R | 功能描述:电池管理 1-2 Cell Stand-Alone Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2781E+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Cell or 2-Cell Standalone Fuel Gauge IC |
| DS2781E-C1+T&R | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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