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| 型号： | LTC6802IG-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/38页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR BATT STACK MC 44-SSOP |
| 标准包装： | 2,000 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 4 V ~ 50 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-FSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 44-SSOP |
| 包装： | 带卷 (TR) |
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LTC6802-1
Multicell
Battery Stack Monitor
FEATURES
DESCRIPTION
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Measures up to 12 Li-Ion Cells in Series (60V Max)
Stackable Architecture Enables >1000V Systems
0.25% Maximum Total Measurement Error
13ms to Measure All Cells in a System
Cell Balancing:
On-Chip Passive Cell Balancing Switches
Provision for Off-Chip Passive Balancing
Two Thermistor Inputs Plus On-Board
Temperature Sensor
1MHz Daisy-Chainable Serial Interface
High EMI Immunity
Delta Sigma Converter with Built-In Noise Filter
Open Wire Connection Fault Detection
Low Power Modes
44-Lead SSOP Package
The LTC ? 6802-1 is a complete battery monitoring IC that
includes a 12-bit ADC, a precision voltage reference, a
high voltage input multiplexer and a serial interface. Each
LTC6802-1 can measure up to 12 series connected bat-
tery cells with an input common mode voltage up to 60V.
In addition, multiple LTC6802-1 devices can be placed in
series to monitor the voltage of each cell in a long battery
string. The unique level-shifting serial interface allows the
serial ports of these devices to be daisy-chained without
optocouplers or isolators.
When multiple LTC6802-1 devices are connected in series
they can operate simultaneously, permitting all cell voltages
in the stack to be measured within 13ms.
To minimize power, the LTC6802-1 offers a measure mode,
which simply monitors each cell for overvoltage and un-
Electric and Hybrid Electric Vehicles
High Power Portable Equipment
APPLICATIONS
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dervoltage conditions. A standby mode is also provided.
Each cell input has an associated MOSFET switch for
discharging overcharged cells.
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Backup Battery Systems
High Voltage Data Acquisition Systems
For large battery stack applications requiring individually
addressable serial communications, see the LTC6802-2.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
V
NEXT 12-CELL
PACK ABOVE
+
LTC6802-1 SERIAL DATA
TO LTC6802-1
ABOVE
DIE TEMP
0.30
Measurement Error Over
Extended Temperature
0.25
REGISTERS
AND
CONTROL
0.20
0.15
0.10
7 REPRESENTATIVE
UNITS
12-CELL
BATTERY
STRING
MUX
12-BIT
Δ∑ ADC
0.05
0
–0.05
–0.10
–0.15
–0.20
NEXT 12-CELL
PACK BELOW
V –
EXTERNAL
TEMP
VOLTAGE
REFERENCE
68021 TA01a
SERIAL DATA
TO LTC6802-1
BELOW
–0.25
–0.30
–50
–25
0 25 50 75
TEMPERATURE (°C)
100 125
68021 TA01b
100k
100k NTC
68021fa
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6802IG-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Multicell Addressable Battery Stack Monitor |
| LTC6802IG-2#3ZZPBF | 制造商:Linear Technology 功能描述: |
| LTC6802IG-2#PBF | 功能描述:IC MONITOR BATT STACK 44-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 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，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LTC6802IG-2#PBF | 制造商:Linear Technology 功能描述:IC BATTERY MONITOR LI-ION 50V SSOP44 |
| LTC6802IG-2#TRPBF | 功能描述:IC MONITOR BATT STACK 44-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
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