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参数资料
| 型号： | DS2782G+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/28页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 10-TDFN |
| 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： | 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： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x4） |
| 包装： | 带卷 (TR) |
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DS2782
DETAILED DESCRIPTION
The DS2782 operates directly from 2.5V to 4.5V and supports single cell Lithium-ion battery packs. As shown in
Figure 3, the DS2782 accommodates multicell applications by adding a voltage regulator for VDD and voltage
divider for VIN. Nonvolatile storage is provided for cell compensation and application parameters. Host side
development of fuel-gauging algorithms is eliminated. On-chip algorithms and convenient status reporting of
operating conditions reduce the serial polling required of the host processor.
Additionally, 16 bytes of EEPROM memory are made available for the exclusive use of the host system and/or
pack manufacturer. The additional EEPROM memory can be used to facilitate battery lot and date tracking and NV
storage of system or battery usage statistics.
Through its 2-Wire interface, the DS2782 gives the host system read/write access to status and control registers,
instrumentation registers, and general-purpose data storage. The 7-bit slave address is field programmable, thus
allowing up to 128 devices to be distinctly addressed by the host system. A unique, factory programmed 64-bit
registration number (8-bit family code + 48-bit serial number + 8-bit CRC) option assures that no two parts are alike
and enables absolute traceability.
Figure 3. Multicell Application Example
Pack+
0.1uF
4.7uF
SDA
SCL
150
150
SDA
SCL
VDD
VIN
500
(n-1)
*R
R
Multi-Cell
Li-Ion
Battery
PIO
NC
Pack-
Protection
(1)
(1)
SNS
RSNS
VSS
0.1uF
Circuit
(1) Components improve IEC1004 Air/Contact ESD compliance
n = number of cells used in the application
R resistors should be selected based on the minimum acceptable resistance (highest acceptable current drain) for the application
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2782K | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| DS2784 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication |
| DS2784_09 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 |
| DS2784_10 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 |
| DS2784_12 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication |
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