參數(shù)資料
型號(hào)： BQ2083
英文描述： Silicon Bridge Rectifiers
中文描述： 銀紫荊星章符合電量監(jiān)測(cè)計(jì)芯片的使用與BQ29311
文件頁(yè)數(shù)： 1/54頁(yè)
文件大小： 461K
代理商： BQ2083
SLUS573 JULY 2003
FEATURES
Provides Accurate Measurement of Available
Charge in Li-Ion and Li-Polymer Batteries
Supports the Smart Battery Specification
(SBS) V1.1
Works With the TI bq29311 Analog Front End
(AFE) Protection IC to Provide Complete Pack
Electronics for 10.8-V or 14.4-V Battery Packs
With Few External Components
Based on a Powerful Low-Power RISC CPU
Core With High-Performance Peripherals
Integrated Flash Memory Eliminates the Need
for External Configuration EEPROM
Measures Charge Flow Using a High
Resolution 16-Bit Integrating Converter
Better Than 3-nVh of Resolution
Self-Calibrating
Offset Error Less Than 1-
μ
V
Uses 16-Bit Delta Sigma Converter for
Accurate Voltage and Temperature
Measurements
Programmable Cell Modeling for Maximum
Battery Fuel Gauge Accuracy
Drives 3-, 4-, or 5-Segment LED Display for
Remaining Capacity Indication
38-Pin TSSOP (DBT)
APPLICATIONS
Notebook PCs
Medical and Test Equipment
Portable Instrumentation
DESCRIPTION
The bq2083V1P2 SBS-compliant gas gauge IC for
battery pack or in-system installation maintains an
accurate record of available charge in Li-ion or Li-polymer
batteries. The bq2083V1P2 monitors capacity and other
critical parameters of the battery pack and reports the
information to the system host controller over a serial
communication bus. It is designed to work with the
bq29311 analog front-end (AFE) protection IC to maximize
functionality and safety and minimize component count
and cost in smart battery circuits. Using information from
the bq2083V1P2, the host controller can manage
remaining battery power to extend the system run time as
much as possible.
BLOCK DIAGRAM
ADC
Voltage
Sense
Resistor
(10 m
- 20 m
)
Pack
Integrating
ADC
Coulomb
Counting
Temp
Sensor
512 Bytes
Config.
Flash
EPROM
bq2083V1P2
Level
Translator
bq29311
LDO
Glueless
Interface
Cell Inputs
Safety Control
SMBus
Pack+
Supply Voltage
Li-Ion
Cells
+
+
Charge/Discharge
Power FETs
+
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
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Copyright
2003, Texas Instruments Incorporated
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參數(shù)描述
BQ20832DBT 制造商:Texas Instruments 功能描述:
BQ20832DBTR 制造商:Texas Instruments 功能描述:
BQ2083DBT 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTG4 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTR 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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