DS2780：独立式电量计IC
单机电量计IC用于计量电池剩余电量，简化软件开发
DS2780用于测量可充电锂离子和锂离子聚合物电池的电压、温度和电流，并估算剩余电量。用于计算的电池特性参数和应用参数存储在片上EEPROM中。根据电流温度特性、放电速率、存储电荷与应用参数对可用电量进行估算。估算电量值以mAh和满容量的百分比为单位提供。
关键特性
| 功能框图 产品应用
|
关键参数
| Part Number | Functions | Battery Type | Interface | User Data Storage (Bytes) | Parameters Measured | Fuel Gauge Algorithm | VSUPPLY (V) | VSUPPLY (V) | Package/Pins | Oper. Temp. (°C) | Budgetary Price | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | See Notes | ||||||||||||||
| DS2780 | Fuel Gauge | 1-2 Cell Li-Ion | 1-Wire | 40 EEPROM |
| FuelPack | 2.5 | 5.5 |
| -40 to +85 | $2.87 @1k | |||||
数据手册DataSheet
| 英文 | DS2780.pdf | Rev 6; 06/2009 |
| 勘误表 DS2780 | 2780A2.pdf |
开发工具
技术资料
- Understanding the DS1WM Synthesizable 1-Wire Bus Master
- Important Design Considerations for Heart-Rate and Fitness Monitors
- Improve Sensor Performance and SNR in Pulse Oximeter Designs
- Storing Battery Fuel Gauge Parameters in DS2780
- Getting Started with the DS2780
质量和环境数据
订购型号
| 型号 | 状况 | 封装 | 温度 | RoHS/无铅 |
|---|---|---|---|---|
| DS2780E+ | 生产中 | TSSOP,；8引脚；20.3mm² | -40°C至+85°C | RoHS/无铅：无铅 |
| DS2780E+T&R | 生产中 | TSSOP,；8引脚；20.3mm² | -40°C至+85°C | RoHS/无铅：无铅 |
| DS2780G+ | 生产中 | TDFN,；10引脚；11.3mm² | -40°C至+85°C | RoHS/无铅：无铅 |
| DS2780G+T&R | 生产中 | TDFN,；10引脚；11.3mm² | -40°C至+85°C | RoHS/无铅：无铅 |
- DS2780.pdf DS2780
- 2780A2.pdf DS2780
- DS2780.pdf DS2780
- DS2780.pdf DS2780
- Understanding the DS1WM Synthesizable 1-Wire Bus Master DS1923
- Important Design Considerations for Heart-Rate and Fitness Monitors MAXQ622
- Improve Sensor Performance and SNR in Pulse Oximeter Designs MAXQ622
- Storing Battery Fuel Gauge Parameters in DS2780 DS2782
- Getting Started with the DS2780 DS2782
- DS2780.pdf DS2780
- 2780A2.pdf DS2780
