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参数资料
| 型号： | DS2782E+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/28页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 8TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 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： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1436 (CN2011-ZH PDF) |
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DS2782
EEPROM REGISTER
The EEPROM register provides access control of the EEPROM blocks. EEPROM blocks can be locked to prevent
alteration of data within the block. Locking a block disables write access to the block. Once a block is locked, it
cannot be unlocked. Read access to EEPROM blocks is unaffected by the lock/unlock status.
Figure 21. EEPROM Register Format
ADDRESS
1Fh
BIT DEFINITION
FIELD
BIT
FORMAT
ALLOWABLE VALUES
EEPROM Copy Flag
Set to 1 when: Copy Data command executed
EEC
7
Read Only
Cleared to 0 when: Copy Data command completes
Note: While EEC = 1, writes to EEPROM addresses are ignored
Power-up default: 0
EEPROM Lock Enable
Host write to 1: Enables the Lock command. Host must issue Lock
LOCK
6
Read /
Write to 1
command as next command after writing Lock Enable bit to 1.
Cleared to 0 when: Lock command completes or when Lock command
not the command issued immediately following the Write command
used to set the Lock Enable bit.
Power-up default: 0
Reserved
2:6
Undefined
EEPROM Block 1 Lock Flag (Parameter EEPROM 60h – 7Fh)
BL1
1
Read Only
0: EEPROM is not locked
1: EEPROM block is locked
Factory default: 0
EEPROM Block 0 Lock Flag (User EEPROM 20h – 2Fh)
BL0
0
Read Only
0: EEPROM is not locked
1: EEPROM block is locked
Factory default: 0
PROGRAMMABLE SLAVE ADDRESS
The 2-Wire slave address of the DS2782 is stored in the parameter EEPROM block, address 7Eh. Programming
the slave address requires a write to set the SAWE (Slave Address Write Enable) bit in the Special Features
register, followed by a write to 7Eh with the desired slave address. The new slave address value is effective
following the write to 7Eh, and must be used to address the DS2782 on subsequent bus transactions. The slave
address value is not stored to EEPROM until a Copy EEPROM block 1 command is executed. Prior to executing
the Copy command, power cycling the DS2782 restores the original slave address value. The data format of the
slave address value in address 7Eh is shown in Figure 22. When not writing the slave address, the SAWE bit
should be written to a 0.
Figure 22. Slave Address Format
ADDRESS 7Eh
BIT 7
A6
BIT 6
A5
BIT 5
A4
BIT 4
A3
BIT 3
A2
BIT 2
A1
BIT 1
A0
BIT 0
X
A6-A0: Slave Address. A6-A0 contains the 7-bit slave address of the DS2782. The factory default is 0110100b.
X:
Reserved Bits.
21 of 28
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2782E+ | 功能描述:电池管理 Stand-Alone 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 |
| DS2782E+R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone Fuel Gauge IC |
| DS2782E+T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone Fuel Gauge IC |
| DS2782E+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE LI-ION/LI-POL 8TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE BATT 8TSSOP |
| DS2782E+T&R | 功能描述:电池管理 Stand-Alone 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 |
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