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参数资料
| 型号： | DS2781E+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/31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
PARAMETER EEPROM
Model data for the cells, as well as application operating parameters are stored in the Parameter EEPROM
memory (block 1, addresses 60h–7Fh). The ACR (MSB and LSB) and AS registers are automatically saved to
EEPROM when the RARC result crosses 4% boundaries. This allows the DS2781 to be located outside the
protection FETs. In this manner, if a protection device is triggered, the DS2781 cannot lose more that 4% of charge
or discharge data.
Table 2. Memory Map
ADDRESS (HEX)
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C to 1E
1F
20 to 2F
30 to 5F
60 to 7F
80 to AF
B0 to B1
B2 to FF
DESCRIPTION
Reserved
STATUS - Status Register
RAAC - Remaining Active Absolute Capacity MSB
RAAC - Remaining Active Absolute Capacity LSB
RSAC - Remaining Standby Absolute Capacity MSB
RSAC - Remaining Standby Absolute Capacity LSB
RARC - Remaining Active Relative Capacity
RSRC - Remaining Standby Relative Capacity
IAVG - Average Current Register MSB
IAVG - Average Current Register LSB
TEMP - Temperature Register MSB
TEMP - Temperature Register LSB
VOLT - Voltage Register MSB
VOLT - Voltage Register LSB
CURRENT - Current Register MSB
CURRENT - Current Register LSB
ACR - Accumulated Current Register MSB
ACR - Accumulated Current Register LSB
ACRL – Low Accumulated Current Register MSB
ACRL – Low Accumulated Current Register LSB
AS - Age Scalar
SFR - Special Feature Register
FULL - Full Capacity MSB
FULL - Full Capacity LSB
AE - Active Empty MSB
AE - Active Empty LSB
SE - Standby Empty MSB
SE - Standby Empty LSB
Reserved
EEPROM - EEPROM Register
User EEPROM, Lockable, Block 0
Reserved
Parameter EEPROM, Lockable, Block 1
Reserved
FSGAIN – Factory Gain Calibration Value
Reserved
READ/WRITE
R
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W*
R/W *
R
R
R/W *
R/W
R
R
R
R
R
R
—
R/W
R/W
—
R/W
—
R
—
* Register value is automatically saved to EEPROM during ACTIVE mode operation and recalled from EEPROM on power-up.
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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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