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参数资料
| 型号： | DS2756E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/27页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 8TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 3 V ~ 5.5 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： | 带卷 (TR) |
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DS2756: High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode
Figure 6. Accumulation Bias Register Format
Address 33h
S
2 6
2 5
2 4
2 3
2 2
2 1
2 0
MSb
“S”: sign bit
LSb
1.95 ? V/R SNS
VOLTAGE MEASUREMENT
The voltage register operates in two modes, normal and snapshot. In normal mode, the DS2756 continually
measures the voltage between pins V IN and V SS over a 0 to 4.5V range, and the Voltage Register is updated in
two’s-complement format every 3.4ms with a resolution of 4.88mV.
In snapshot mode, the Voltage register holds the voltage measured immediately following the snapshot trigger.
Normal voltage measurements resume after the snapshot value is obtained, however, the SNAP bit must be
cleared to re-enable normal mode reporting of voltage measurement to the Voltage register.
Voltages above the maximum register value are reported as the maximum value.
Figure 7. Voltage Register Format
MSB-Address 0Ch
LSB-Address 0Dh
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
TEMPERATURE MEASUREMENT
The DS2756 uses an integrated temperature sensor to continually measure battery temperature. Temperature
measurements are updated in the Temperature Register every 220ms in two’s-complement format with a resolution
of 0.125°C over a ? 127°C range. The Temperature Register format is shown in Figure 8.
Figure 8. Temperature Register Format
MSB-Address 18h
LSB-Address 19h
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: 0.125 ? C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2756EVKIT+ | 制造商:Maxim Integrated Products 功能描述:HIGH-ACCURACY BATTERY FUEL GAUGE WITH PROGRAMMABLE SUSPEND M - Boxed Product (Development Kits) |
| DS2756K | 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 |
| DS275E | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| DS275E/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TXRX LINE-PWR RS232 14-TSSOP |
| DS275E/T&R | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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