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参数资料
| 型号： | DS2786BG+T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | 3 X 3 MM, ROHS COMPLIANT, TDFN-10 |
| 文件页数： | 18/21页 |
| 文件大小： | 363K |
| 代理商： | DS2786BG+T&R |
DS2786B
Stand-Alone OCV-Based Fuel Gauge
6
_______________________________________________________________________________________
2-WIRE
INTERFACE
ADC
SDA
SCL
IC
GROUND
VDD
VSS
BIAS
1k
Ω
1k
Ω
VIN AIN0
AIN1
SNS
VOUT
SWITCH IS ON WHEN AIN0 OR AIN1 IS BEING MEASURED.
VOLTAGE
REFERENCE
STATE
MACHINE
EEPROM
VPROG
TIMEBASE
TEMPERATURE
MEASUREMENT
Figure 2. Block Diagram
Detailed Description
The DS2786B provides current-flow, voltage, and
temperature-measurement data to support battery-
capacity monitoring in cost-sensitive applications.
Current is measured bidirectionally over a dynamic
range of ±51.2mV with a resolution of 25V. Assuming
a 15m
Ω sense resistor, the current-sense range is
±3.4A, with a 1 least significant bit (LSB) resolution of
1.667mA. Current measurements are performed at reg-
ular intervals and each measurement is accumulated
internally to coulomb count host power consumption.
Each current measurement is reported with sign and
magnitude in the 2-byte Current Register. Battery-
voltage measurements are reported in the 2-byte
Voltage Register with 12-bit (1.22mV) resolution, and
auxiliary voltage measurements are reported in the 2-
byte Aux Volt Registers with 11-bit resolution.
Additionally, the Temperature Register reports tempera-
ture with 0.125°C resolution and ±3°C accuracy from
the on-chip sensor. The on-chip temperature measure-
ment is optional and replaces auxiliary voltage channel
AIN1. Figure 1 is the 2-wire bus timing diagram; Figure
2 is the DS2786B block diagram. Figure 3 is an appli-
cation example.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2786BK | 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 |
| DS2786G+ | 功能描述:电池管理 Stand-Alone OCV Based Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2786G+T&R | 制造商:Maxim Integrated Products 功能描述:STAND ALONE OCV BASED FUEL GAUGE LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE OCV 10-TDFN 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE STANDALONE OCV TDFN-10 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE STANDALONE OCV, TDFN-10 |
| DS2786G+T&R | 功能描述:电池管理 Stand-Alone OCV Based Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2786G+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone OCV-Based Fuel Gauge |
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