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参数资料
| 型号： | LTC6803IG-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/40页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR BATT STACK 44-SSOP |
| 标准包装： | 2,000 |
| 功能： | 电池监控器，过压/欠压保护 |
| 电池化学： | 多化学成分，超级电容器 |
| 电源电压： | 4 V ~ 55 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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LTC6803-1/LTC6803-3
Multicell Battery Stack
Monitor
Measures Up to 12 Battery Cells in Series
Stackable Architecture
Supports Multiple Battery Chemistries
Serial Interface Daisy Chains to Adjacent Devices
0.25% Maximum Total Measurement Error
Engineered for ISO26262 Compliant Systems
13ms to Measure All Cells in a System
Passive Cell Balancing:
Onboard Temperature Sensor and Thermistor Inputs
1MHz Serial Interface with Packet Error Checking
Safe with Random Connection of Cells
Built-In Self Tests
Delta-Sigma Converter With Built-In Noise Filter
Open-Wire Connection Fault Detection
12μA Standby Mode Supply Current
High EMI Immunity
44-Lead SSOP Package
FEATURES
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and Supercapacitors
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– Integrated Cell Balancing MOSFETs
– Ability to Drive External Balancing MOSFETs
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APPLICATIONS
DESCRIPTION
The LTC ? 6803 is a 2nd generation, complete battery
monitoring IC that includes a 12-bit ADC, a precision
voltage reference, a high voltage input multiplexer and
a serial interface. Each LTC6803 can measure up to 12
series-connected battery cells or supercapacitors. Using a
unique level shifting serial interface, multiple LTC6803-1/
LTC6803-3 devices can be connected in series, without
opto-couplers or isolators, allowing for monitoring of every
cell in a long string of series-connected batteries. Each cell
input has an associated MOSFET switch for discharging
overcharged cells. The LTC6803-1 connects the bottom
of the stack to V – internally. It is pin compatible with the
LTC6802-1, providing a drop-in upgrade. The LTC6803-3
separates the bottom of the stack from V – , improving
cell 1 measurement accuracy.
The LTC6803 provides a standby mode to reduce supply
current to 12μA. Furthermore, the LTC6803 can be powered
from an isolated supply, providing a technique to reduce
battery stack current draw to zero.
For applications requiring individually addressable serial
communications, see the LTC6803-2/LTC6803-4.
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Electric and Hybrid Electric Vehicles
High Power Portable Equipment
Backup Battery Systems
Electric Bicycles, Motorcycles, Scooters
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
+
NEXT 12-CELL
PACK ABOVE
+
12-CELL
BATTERY
V +
MUX
LTC6803-3
DIE TEMP
REGISTERS
AND
CONTROL
12-BIT
?Σ ADC
SERIAL DATA
TO LTC6803-3
ABOVE
50V
ISOLATED
DC/DC
CONVERTER
12V
Supply Current vs Modes of Operation
1mA
100μA
10μA
1μA
+
100nA
NEXT 12-CELL
PACK BELOW
V –
100k NTC
VOLTAGE
REFERENCE
EXTERNAL
TEMP
100k
SERIAL DATA
TO LTC6803-3
BELOW
10nA
1nA
HW
SHUTDOWN
STANDBY
MEASURE
680313 TA01b
680313 TA01a
680313fa
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6803IG-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 |
| LTC6803IG-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) |
| LTC6803IG-2PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Multicell Battery Stack Monitor |
| LTC6803IG-3#3ZZPBF | 制造商:Linear Technology 功能描述:Battery Monitoring Li-Ion 44-Pin SSOP |
| LTC6803IG-3#3ZZTRPBF | 制造商:Linear Technology 功能描述:Battery Monitoring Li-Ion 44-Pin SSOP T/R |
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