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参数资料
| 型号： | DC1496A-B |
| 厂商： | Linear Technology |
| 文件页数： | 14/18页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTC2942 |
| 设计资源： | DC1496A Design Files DC1496A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| 主要目的： | 电源管理，电池监控器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LTC2942 |
| 主要属性： | I²C、SMBus 接口 |
| 次要属性： | LED 状态指示器 |
| 已供物品： | 板 |
LTC2942
APPLICATIONS INFORMATION
Read Protocol
The master begins a read operation with a START condition
followed by the seven bit slave address 1100100 and the
R/ W bit set to zero, as shown in Figure 6. The LTC2942
acknowledges and then the master sends a command
byte which indicates which internal register the master is
to read. The LTC2942 acknowledges and then latches the
command byte into its internal register address pointer. The
master then sends a repeated START condition followed
by the same seven bit address with the R/ W bit now set
to one. The LTC2942 acknowledges and sends the con-
tents of the requested register. The transmission is ended
when the master sends a STOP condition. If the master
acknowledges the transmitted data byte, the LTC2942
increments its address pointer and sends the contents of
the following register as depicted in Figure 7.
Alert Response Protocol
In a system where several slaves share a common inter-
rupt line, the master can use the alert response address
(ARA) to determine which device initiated the interrupt
(Figure 8).
S
ADDRESS
W
A
REGISTER
A
S
ADDRESS
R
A
DATA
A
P
1100100
0
0
00h
0
1100100
1
0
01h
1
2942 F06
Figure 6. Reading the LTC2942 Status Register (A)
S
ADDRESS
W
A
REGISTER
A
S
ADDRESS
R
A
DATA
A
DATA
A
P
1100100
0
0
08h
0
1100100
1
0
F1h
0
24h
1
2942 F07
Figure 7. Reading the LTC2942 Voltage Register (I, J)
S
ALERT RESPONSE ADDRESS
0001100
R
1
A
0
DEVICE ADDRESS
11001001
A
1
P
2942 F08
Figure 8. LTC2942 Serial Bus SDA Alert Response Protocol
S ADDRESS W A REGISTER A DATA P
10ms
S ADDRESS W A REGISTER A S ADDRESS R A DATA A DATA A P
1100100 0 0
01h
0
BC
1100100 0 0
08h
0
1100100 1 0 F1h 0 80h 1
2942 F09
Figure 9. Voltage Conversion Sequence
S
ADDRESS
W
A
REGISTER
A
S
ADDRESS
R
A
DATA
A
DATA
A
P
1100100
0
0
02h
0
1100100
1
0
80h
0
01h
1
2942 F10
Figure 10. Reading the LTC2942 Accumulated Charge Registers (C, D)
2942fa
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1496B-A | 制造商:Linear Technology 功能描述:BOARD EVAL LTC2941 制造商:Linear Technology 功能描述:LTC2941 BATTERY GAS GAUGE EV 制造商:Linear Technology 功能描述:DEMO BOARD, LTC2941IDCB BATTERY GAS GAUGE; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2941; Kit Application Type:Power Management; Application Sub Type:Fuel Gauge; Kit Contents:Demo Board LTC2941 |
| DC1496B-B | 功能描述:BOARD EVAL LTC2942 RoHS:否 类别:编程器，开发系统 >> 评估演示板和套件 系列:QuikEval™ 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP |
| DC1496B-B | 制造商:Linear Technology 功能描述:EVAL BOARD, LTC2942 BATTERY FUEL GAUGE |
| DC1496B-C | 制造商:Linear Technology 功能描述:BOARD EVAL FOR LTC2941-1 制造商:Linear Technology 功能描述:LTC2941-1 BATTERY GAS GAUGE 制造商:Linear Technology 功能描述:DEMO BOARD, LTC2941IDCB-1 BATTERY GAS GAUGE; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2941; Kit Application Type:Power Management; Application Sub Type:Fuel Gauge; Kit Contents:Demo Board LTC2941 |
| DC1496B-D | 制造商:Linear Technology 功能描述:BOARD EVAL FOR LTC2942-1 制造商:Linear Technology 功能描述:LTC2942-1 BATTERY GAS GAUGE 制造商:Linear Technology 功能描述:DEMO BOARD, LTC2942IDCB-1 BATTERY GAS GAUGE; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2942; Kit Application Type:Power Management; Application Sub Type:Fuel Gauge; Kit Contents:Demo Board LTC2942 |
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