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参数资料
| 型号： | DS2786G-5+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/22页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE OCV-BASED 10-TDFN |
| 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： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x4） |
| 包装： | 带卷 (TR) |
DS2786 Stand-Alone OCV-Based Fuel Gauge
Write Data Protocol
The write data protocol is used to write to register and shadow RAM data to the DS2786 starting at memory
address Maddr. Data0 represents the data written to Maddr, Data1 represents the data written to Maddr + 1 and
DataN represents the last data byte, written to Maddr + N. The master indicates the end of a write transaction by
sending a STOP or Repeated START after receiving the last acknowledge bit.
S Saddr W A Maddr A Data0 A Data1 A … DataN A P
The MSB of the data to be stored at address Maddr can be written immediately after the Maddr byte is
acknowledged. Because the address is automatically incremented after the least significant bit (LSB) of each byte
is received by the DS2786, the MSB of the data at address Maddr + 1 is can be written immediately after the
acknowledgement of the data at address Maddr. If the bus master continues an auto-incremented write transaction
beyond address 4Fh, the DS2786 ignores the data. Data is also ignored on writes to read-only addresses and
reserved addresses, as well as a write that auto increments to the Function Command Register (address Feh).
Incomplete bytes and bytes that are Not Acknowledged by the DS2786 are not written to memory. As noted in the
Memory Section, writes to EEPROM locations modify the shadow RAM only.
Read Data Protocol
The Read Data protocol is used to read register and shadow RAM data from the DS2786 starting at memory
address specified by Maddr. Data0 represents the data byte in memory location Maddr, Data1 represents the data
from Maddr + 1 and DataN represents the last byte read by the master.
S Saddr W A Maddr A Sr Saddr R A Data0 A Data1 A … DataN N P
Data is returned beginning with the MSB of the data in Maddr. Because the address is automatically incremented
after the LSB of each byte is returned, the MSB of the data at address Maddr + 1 is available to the host
immediately after the acknowledgement of the data at address Maddr. If the bus master continues to read beyond
address FFh, the DS2786 outputs data values of FFh. Addresses labeled “Reserved” in the Memory Map (Table 3)
return undefined data. The bus master terminates the read transaction at any byte boundary by issuing a No
Acknowledge followed by a STOP or repeated START.
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
PACKAGE TYPE
10 TDFN-EP
PACKAGE CODE
T1033+1
21 of 22
DOCUMENT NO.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2786K | 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 |
| DS2786K-SMP | 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 |
| DS2788 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone Fuel-Gauge IC with LED Display Drivers |
| DS2788_09 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone Fuel-Gauge IC with LED Display Drivers |
| DS2788E+ | 功能描述:电池管理 Stand-Alone F-Gauge w/LED Display Drvrs 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 |
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