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Maxim > 方案 > 蜂窝手机

电池电量计:集成方案

数据资料
显示 标题/型号 关键优势
QV  PDF 独立式单节电池电量计IC,带有Li+电池保护和SHA-1认证
DS2784

内置库伦计量FuelPack™算法;提供Li+保护电路,采用高边、n沟道FET
QV  PDF 基于OCV的独立式电量计
DS2786

手机或电池包认证;提供基于电池开路电压(OCV)的电量算法
QV  PDF 低成本、2线电池监视器,提供比例A/D输入
DS2746

手机或电池包认证;数据采集前端用于OCV和基于库伦计量的电量算法
QV  PDF 高精度电池电量计,具有可编程挂起模式
DS2756

高精度数据采集前端,非常适合基于库伦计量的电量计算法;提供96字节用户EEPROM
QV  PDF 低成本I²C电池监视器
DS2745

高精度数据采集前端,非常适合基于库伦计量的电量计算法
QV  PDF 独立式电量计IC
DS2782

2线单机电量计IC,用于计算剩余电量,简化软件开发
QV  PDF 独立式电量计IC
DS2780

内置库伦计量FuelPack™的电量算法



Key Specifications:   Battery Protectors, Selectors and Monitors
Part Number Functions Battery Type Interface User Data Storage (bytes) Parameters Measured Battery Protection Supply Voltage (min) (V) Supply Voltage (max) (V) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2784 
Fuel Gauge
Protector
1 Cell Li-Ion 1-Wire 16 EEPROM Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over-Temperature
Over/Under Voltage
2.5 4.6
Digital Current Accumulation
Internal MOSFET Drivers
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/14 16 -40 to +85
DS2786 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire 32 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
OCV-Based Fuel Gauge
On-chip Remaining Capacity Algorithms
Ratiometric Voltage Inputs
TDFN/10 10 -40 to +85
DS2746 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Voltage
 -  2.5 5.5
Digital Current Accumulation
Ratiometric Voltage Inputs
TDFN/10 10 -40 to +85
DS2756 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
1-Wire 8 SRAM
96 EEPROM
Current
Temperature
Voltage
 -  3 5.5
Digital Current Accumulation
One-Shot Mode
Suspend Mode
Unique ID
TSSOP/8 14 -40 to +85
DS2745 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
uSOP/8 16 -40 to +85
DS2782 
Fuel Gauge
1/2 Cell Li-Ion 2-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/10
TSSOP/8
13 -40 to +85
DS2780 
Fuel Gauge
1/2 Cell Li-Ion 1-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/10
TSSOP/8
13 -40 to +85
See All Battery Protectors, Selectors and Monitors (21)




         


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