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| 型号： | DC1496A-A |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTC2941 |
| 软件下载： | QuikEval System |
| 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： | LTC2941 |
| 主要属性： | I²C、SMBus 接口 |
| 次要属性： | LED 状态指示器 |
| 已供物品： | 板，线缆 |
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LTC2941
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V BAT Alert
V BAT Alert Threshold
V SENSE+ Falling, B[7:6] = 01
V SENSE+ Falling, B[7:6] = 10
V SENSE+ Falling, B[7:6] = 11
l
l
l
2.75
2.85
2.95
2.8
2.9
3
2.85
2.95
3.05
V
V
V
Digital Input s and Digital Outputs
V ITH
V OL
Logic Input Threshold, AL /CC, SCL,
SDA
Low Level Output Voltage, AL /CC, SDA I = 3mA
l
l
0.3 ?
V SENSE+
0.7 ?
V SENSE+
0.4
V
V
I IN
C IN
t PCC
Input Leakage, AL /CC, SCL, SDA
Input Capacitance, AL /CC, SCL, SDA
Minimum Charge Complete (CC) Pulse
Width
V IN = V SENSE+ /2
(Note 7)
l
l
1
10
1
μA
pF
μs
I 2 C Timing Characteristics
f SCL(MAX)
t BUF(MIN)
t SU,STA(MIN)
t HD,STA(MIN)
Maximum SCL Clock Frequency
Bus Free Time Between STOP/START
Minimum Repeated START Set-Up
Time
Minimum Hold Time (Repeated)
START Condition
l
l
l
l
400
900
1.3
600
600
kHz
μs
ns
ns
t SU,STO(MIN) Minimum Set-Up Time for STOP
Condition
l
600
ns
t SU,DAT(MIN)
Minimum Data Set-Up Time Input
l
100
ns
t HD,DATI(MIN) Minimum Data Hold Time Input
l
0
μs
t HD,DATO
Data Hold Time Output
l
0.3
0.9
μs
t Of
Data Output Fall Time
(Notes 6, 7)
l
20 + 0.1
? C B
300
ns
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive, all voltages are referenced to
GND unless otherwise specified
Note 3: I SUPPLY = I SENSE+ + I SENSE–
Note 4: The equivalent charge of an LSB in the accumulated charge
registers (C, D) depends on the value of R SENSE and the setting of the
internal prescaling factor M. It is calculated by:
See Choosing R SENSE and Coulomb Counter Prescaler M section for more
information.
1mAh = 3.6A ? s = 3.6C (coulomb), 0.085mAh = 306mC.
Note 5: Deviation of q LSB from its nominal value.
Note 6: C B = capacitance of one bus line in pF (10pF ≤ C B ≤ 400pF).
Note 7: Guaranteed by design, not subject to test.
50m ? M
q LSB = 0.085mAh ?
?
R SENSE 128
2941fa
3
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参数描述 |
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| DC1496A-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™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 主要目的:电源管理，电池充电器 嵌入式:否 已用 IC / 零件:MAX8903A 主要属性:1 芯锂离子电池 次要属性:状态 LED 已供物品:板 |
| 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 |
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