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参数资料
| 型号： | DS2764AE+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC MON BATT LI-ION HP 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 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： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
BL2— EEPROM Block 2 Lock Flag. A 1 in this read-only bit indicates that EEPROM block 2 (addresses 40 to 47) is
locked (read-only) while a 0 indicates block 2 is unlocked (read/write).
The special order unique 64-bit ID device
does not support EEPROM Block 2.
BL1— EEPROM Block 1 Lock Flag. A 1 in this read-only bit indicates that EEPROM block 1 (addresses 30 to 3F) is
locked (read-only) while a 0 indicates block 1 is unlocked (read/write).
BL0— EEPROM Block 0 Lock Flag. A 1 in this read-only bit indicates that EEPROM block 0 (addresses 20 to 2F) is
locked (read-only) while a 0 indicates block 0 is unlocked (read/write).
X —Reserved Bits.
SPECIAL FEATURE REGISTER
The format of the special feature register is shown in Figure 14. The function of each bit is described in detail in the
following paragraphs.
Figure 14. Special Feature Register Format
ADDRESS 08
BIT 7
PS
BIT 6
X
BIT 5
X
BIT 4
X
BIT 3
X
BIT 2
X
BIT 1
SAWE
BIT 0
X
PS ? PS Pin Latch. This bit latches a low state on the PS pin with a 0 value. The bit is cleared only by writing a 1 to
this location. See the Power Switch Input section.
SAWE ? Slave Address Write Enable. This bit must be set to 1 before the 2-wire slave address in location 0x32 can
be modified. SAWE should be written back to 0 after writing the slave address. Power up default is 0.
X ? Reserved Bits.
PROGRAMMABLE SLAVE ADDRESS
The 2-Wire slave address of the DS2764 is stored in lockable EEPROM block 1, address 32h. Programming the
slave address requires a write to set the SAWE bit in the Special Feature register, followed by a write to 32h with
the desired slave address. The new slave address value is effective following the write to 32h, and must be used
to address the DS2764 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 DS2764
restores the original slave address value. The data format of the slave address value in address 32h is shown in
Figure 15.
Figure 15. Slave Address Format
ADDRESS 32
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 to A0— Slave Address.
A6-A0 contains the 7-bit slave address of the DS2764.
The factory default is
0110100b.
X —Reserved Bits.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2764AR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/T&R | 制造商:Maxim Integrated Products 功能描述:LI+BATT MNTR 2WIRE 4.275OV BUMP - Tape and Reel |
| DS2764AX/T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
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