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参数资料
| 型号： | DS2788E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/32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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Stand-Alone Fuel-Gauge IC with
LED Display Drivers
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NAME
LED2
LED1
DV SS
V DD
OVD
V SS
DQ
VMA
SNS
V IN
PIO
LED5
LED4
LED3
V DD
FUNCTION
Display Driver. Connect to an LED connected to V DD for display of relative pack capacity.
Display Driver. Connect to an LED connected to V DD for display of relative pack capacity.
Display Ground. Ground connection for the LED display drivers. Connect to V SS .
Power-Supply Input. Connect to the positive terminal of the battery cell through a decoupling network.
1-Wire Bus Speed Control. Input logic level selects the speed of the 1-Wire bus. Logic 1 selects overdrive (OVD)
and Logic 0 selects standard (STD) timing. On a multidrop bus, all devices must operate at the same speed.
Device Ground. Connect directly to the negative terminal of the battery cell. Connect the sense resistor
between V SS and SNS.
Data Input/Output. 1-Wire data line, open-drain output driver. Connect this pin to the DATA terminal of the
battery pack. This pin has a weak internal pulldown (I PD ) for sensing pack disconnection from host or charger.
Voltage Measurement Active. Output is driven high before the start of a voltage conversion and driven low at
the end of the conversion cycle.
Sense Resistor Connection. Connect to the negative terminal of the battery pack. Connect the sense resistor
between V SS and SNS.
Voltage Sense Input. The voltage of the battery cell is monitored through this input pin.
Programmable I/O Pin. Can be configured as input or output to monitor or control user-defined external
circuitry. Output driver is open drain. This pin has a weak internal pulldown (I PD ). When configured as an input,
upon recognition of a rising edge, the fuel-gauge display is enabled.
Display Driver. Connect to an LED connected to V DD for display of relative pack capacity. Leave floating in
LED4 configuration.
Display Driver. Connect to an LED connected to V DD for display of relative pack capacity.
Display Driver. Connect to an LED connected to V DD for display of relative pack capacity.
V POR
EN
BIAS/VREF
TIME BASE
LED
LED5
LED4
LED3
PIO
DRIVERS
LED2
LED1
DQ
OVD
1-Wire
INTERFACE
STATUS
AND
CONTROL
TEMP
AND
DV SS
VOLTAGE
ADC
VMA
V IN
EEPROM
RATE AND
SNS
Figure 1. Block Diagram
DS2788
ACCUMULATED
CURRENT
CURRENT ADC
15-BIT + SIGN
TEMPERATURE
COMPENSATION
V SS
_______________________________________________________________________________________
5
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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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