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| 型号： | DS2788E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE W/DSP DRV 14TSSOP |
| 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： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
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19-4639; Rev 2; 5/09
Stand-Alone Fuel-Gauge IC with
LED Display Drivers
General Description
The DS2788 measures voltage, temperature, and cur-
rent, and estimates available capacity for rechargeable
lithium-ion (Li+) and Li+ polymer batteries. Cell charac-
teristics and application parameters used in the calcu-
lations are stored in on-chip EEPROM. The available
capacity registers report a conservative estimate of the
amount of charge that can be removed given the cur-
rent temperature, discharge rate, stored charge, and
application parameters. Capacity estimation is reported
in mAh remaining and percentage of full.
LED display drivers and a debounced input make dis-
play of the capacity information easy. The LED pins can
directly sink current, requiring only a resistor for setting
the current in the LED display, thus reducing space and
cost.
Applications
Power Tools
Electric Bicycles
Electric Vehicles
Uninterruptible Power Supply
Digital Cameras
Pin Configuration
TOP VIEW
+
Features
? Five 30mA Open-Drain Drivers for Driving LED
Fuel-Gauge Display
? Debounced Fuel-Gauge Display Enable
? Internal Voltage Measurement Gain Register for
Trimming External Voltage-Divider
? Pin for Driving FETs to Enable Voltage-Divider
Only During Voltage Measurement, Conserving
Power
? Precision Voltage, Temperature, and Current
Measurement System
? Accurate, Temperature-Stable, Internal Time Base
? Absolute and Relative Capacity Estimated from
Coulomb Count, Discharge Rate, Temperature,
and Battery Cell Characteristics
? Accurate Warning of Low Battery Conditions
? Automatic Backup of Coulomb Count and Age
Estimation to Nonvolatile (NV) EEPROM
? Gain and Tempco Calibration Allows the Use of
Low-Cost Sense Resistors
? 24-Byte Battery/Application Parameter EEPROM
? 16-Byte User EEPROM
? Unique ID and Multidrop 1-Wire ? Interface
? 14-Pin TSSOP Package
LED2
1
14
LED3
LED1
2
13
LED4
Ordering Information
DV SS
3
12
LED5
PART
TEMP RANGE
PIN-PACKAGE
V DD
OVD
4
5
DS2788
11
10
PIO
V IN
DS2788E+
DS2788E+T&R
-25°C to +70°C
-25°C to +70°C
14 TSSOP
14 TSSOP
V SS
DQ
6
7
9
8
SNS
VMA
+Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
TSSOP
Typical Operating Circuit appears at end of data sheet.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2788EVKIT+ | 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 |
| DS2788K | 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 |
| DS2790 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable 1-Cell Li-Ion Fuel Gauge and Protector |
| DS2790E | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable 1-Cell Li-Ion Fuel Gauge and Protector |
| DS2790E+ | 功能描述:IC FUEL GAUGE BATT 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
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