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参数资料
| 型号： | DS2764AE+025 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/20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： | 96 |
| 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： | 管件 |
DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(2.5V ? V DD ? 5.5V, T A = -20 ? C to +70 ? C.)
PARAMETER
SCL Clock Frequency
SYMBOL
fSCL
CONDITIONS
(Note 12)
MIN
0
TYP
MAX
100
UNITS
KHz
Bus Free Time Between a STOP
and START Condition
tBUF
4.7
μs
Hold Time (Repeated)
START Condition
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for a Repeated
START Condition
tHD:STA
tLOW
tHIGH
tSU:STA
(Note 13)
4.0
4.7
4.0
4.7
μs
μs
μs
μs
Data Hold Time
Data Setup Time
tHD:DAT
tSU:DAT
(Note 14, 15)
(Note 14)
0
250
5.0
μs
ns
Rise Time of both SDA and
SCL Signals
Fall Time of both SDA and
SCL Signals
Setup Time for STOP
Condition
tR
tF
tSU:STO
4.0
1000
300
ns
ns
μs
Spike pulse widths suppressed by
input filter
Capacitive Load for each Bus
Line
SCL, SDA Input Capacitance
tSP
CB
C BIN
(Note 16)
(Note 17)
0
50
400
60
ns
pF
pF
EEPROM RELIABILITY SPECIFICATION
(2.5V ? V DD ? 5.5V, T A = -20 ? C to +70 ? C.)
PARAMETER
Copy to EEPROM Time
EEPROM Copy Endurance
SYMBOL
t EEC
N EEC
CONDITIONS
(Note 11)
MIN
25,000
TYP
2
MAX
10
UNITS
ms
cycles
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
Note 12:
Note 13:
All voltages are referenced to V SS .
See the Selector Guide section to determine the corresponding part number for each V OV value.
Internal current-sense resistor configuration.
External current-sense resistor configuration.
Self-heating due to output pin loading and sense resistor power dissipation can alter the reading from ambient conditions.
Compensation of the internal sense resistor value for initial tolerance and temperature coefficient of -20°C to +70°C can reduce
the maximum reportable magnitude to 1.9A.
Current offset error null to ±1 LSB typically requires 3.5s in-system calibration by user.
Current gain error specification applies to gain error in converting the voltage difference at IS1 and IS2, and excludes any error
remaining after the DS2764 compensates for the internal sense resistor’s temperature coefficient of 3700ppm/ ? C to an accuracy
of ? 500ppm/ ? C. The DS2764 does not compensate for external sense resistor characteristics, and any error terms arising from
the use of an external sense resistor should be taken into account when calculating total current measurement error.
Accuracy at time of shipment from Dallas Semiconductor is 3% max. Board mounting processes may cause the current gain
error to widen to as much as 10% for devices with the internal sense resistor option. Contact factory for on-board recalibration
procedure devices with the internal sense resistor option to improve accuracy.
Typical value for t ERR1 is specified at 3.6V and +25°C, max value is specified for 0°C to +50°C. Max value for t ERR2 is specified
for -20°C to +70°C.
Four-year data retention at +70 ? C.
Timing must be fast enough to prevent the DS2764 from entering sleep mode due to bus low for period > t SLEEP
f SCL must meet the minimum clock low time plus the rise/fall times.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2764AE-025/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 |
| DS2764AE-025/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 |
| DS2764AE-025/T&R | 制造商:Maxim Integrated Products 功能描述:LI+BATT MNTR2WIRE 4.275OV16P TSSOP - Tape and Reel |
| DS2764AE-025/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 |
| 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 |
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