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参数资料
| 型号： | DS2761AE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/24页 |
| 文件大小： | 0K |
| 描述： | IC MON BATT LI-ION HP 16-TSSOP |
| 标准包装： | 96 |
| 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： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
DS2761
Figure 7. VOLTAGE REGISTER FORMAT
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: 4.88mV
TEMPERATURE MEASUREMENT
The DS2761 uses an integrated temperature sensor to continually measure battery temperature.
Temperature measurements are placed in the temperature register every 220ms in two’s-complement
format with a resolution of 0.125°C over a range of ± 127°C. The temperature register format is shown in
Figure 8.
Figure 8. TEMPERATURE REGISTER FORMAT
MSB—Address 18
LSB—Address 19
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
PROGRAMMABLE I/O
To use the PIO pin as an output, write the desired output value to the PIO bit in the special feature
register. Writing a 0 to the PIO bit enables the PIO output driver, pulling the PIO pin to V SS . Writing a 1
to the PIO bit disables the output driver, allowing the PIO pin to be pulled high or used as an input. To
sense the value on the PIO pin, read the PIO bit. The DS2761 turns off the PIO output driver and sets the
PIO bit high when in sleep mode or when DQ is low for more than 2s, regardless of the state of the
PMOD bit.
POWER SWITCH INPUT
The DS2761 provides a power control function that uses the discharge protection FET to gate battery
power to the system. The PS pin, internally pulled to V DD through a 1 m A current source, is continuously
monitored for a low-impedance connection to V SS . If the DS2761 is in sleep mode, the detection of a low
on the PS pin causes the device to transition into active mode, turning on the discharge FET. If the
DS2761 is already in active mode, activity on PS has no effect other than the latching of its logic low
level in the PS bit in the special feature register. The reading of a 0 in the PS bit should be immediately
followed by writing a 1 to the PS bit to ensure that a subsequent low forced on the PS pin is latched into
the PS bit.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2761AE+ | 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 |
| DS2761AE+025 | 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 |
| DS2761AE+025/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC MON BATT LI-ION HP 16-TSSOP |
| DS2761AE+025/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 |
| DS2761AE-025 | 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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